Top iOS - iPhone Mobile App Development Companies in United States
List of the Best United States iOS - iPhone Mobile App Development Firms

GammaStack is a well-recognized name in the iGaming industry possessing 8+ years of remarkable experience in providing top-notch iGaming software development solutions and services. The team specializes in offering ultra-modern and feature-rich sports betting software, fantasy sports software, online casino software solutions, online lottery software, esports software development, etc. Comprehensive software development solutions and services cover white label software, custom software development, turnkey software, mobile app development, crypto-enabled software solutions, blockchain-integrated software, and many more. Backed by a team of 250+ technically sound developers, the team is capable of offering the most advanced and cutting-edge solutions and services which are tailored as per the client's requirements.
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$5,000 +
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250 - 999
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< $25 / hr
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US, Wilmington
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Garafa is a software company focused on leading edge web and IT technologies, particularly the iPhone. Garafa has several apps for sale in the iTunes app store and also does software projects on contract. The main iPhone project areas include medical applications, mobile sales presentations, and self-guided tours.
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Undisclosed
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10 - 49
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Undisclosed / hr
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US, Provo
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Undisclosed
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10 - 49
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Undisclosed / hr
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US, Lewisville
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We are a web design and development company committed to helping businesses make their mark in online space. We leverage our technical skills, expertise, and experiences in a way to make your business stand out in the crowd. At Geek Force Web, we understand that technology has a great role to play in the success of a business. So, we are out to provide businesses with the latest IT support so that they can connect with their customers effortlessly.
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Undisclosed
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2 - 9
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Undisclosed / hr
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US, Torrance
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Undisclosed
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2 - 9
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Undisclosed / hr
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US, Spokane
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Geeks Chicago is a full-service development and design firm with over 14 years of experience in the digital space. We specialize in custom web and mobile development. This includes iOS, Android, and custom web applications.
Geeks also work with all major CMS systems including WordPress, Drupal and Joomla. We have an extensive background developing systems with many different API's, both custom and third party. Some of the third parties have included PayPal, Stripe, Google API integration. The Geeks team has worked with clients in many different industries on many types of projects. Our team of experts are available to make sure your website or application are done correctly the first time and always within budget.
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$5,000 +
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10 - 49
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$50 - $99 / hr
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US, Prospect Heights
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Our 10+ years of engineering experience spans across multiple verticals. We are engineering in 20+ programming languages and 10+ databases. We do certified expertise in all major public clouds (AWS, GCP, Azure), private cloud (High Trust), and on-prem.
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$50,000 +
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10 - 49
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$150 - $199 / hr
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US, Austin
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We are a Clinical Biometric CRO based out of US and India. Genpro help our clients to accelerate clinical research by applying AI, Machine Learning, NLP, Biostatistics and Statistical programming.We got two FDA approvals in the last 2 years which is an endorsement of our strategic consulting services.
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$1,000 +
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50 - 249
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< $25 / hr
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US, East Walpole
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Go Logo Now is a premium design house based in Canada and USA giving instant results for your branding needs, with a team of 150 in-house professional designers, marketing experts, developers, project managers, account managers and brand analysts working to provide 100% satisfaction to our clients all around the world. We focus on long term business relationship with our clients.
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$1,000 +
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50 - 249
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$25 - $49 / hr
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US, Irvington
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Goappx is one of the leading products and service providers with the latest feature at an affordable price. We are specialized to develop clone apps like Uber, WhatsApp, e-commerce, Delivery, and JustEat clone.
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$1,000 +
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50 - 249
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< $25 / hr
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US, Dallas
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In 1995, goEmerchant started from humble beginnings in the basement of a Five and Dime. Ever since then, goEmerchant has had a rich history of ground-breaking innovation. From the creation of the industry standard "Buy-Me Button" to today's most secure and easy to use payment platform in the market, we remain committed to ensuring our customers' experience is state of the art.
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Undisclosed
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10 - 49
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Undisclosed / hr
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US, Camden
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We work to understand your vision, help define your product, then design, build, and launch. We collaborate primarily with startups, businesses, and nonprofits. Our partners include the World Health Organization, World Wildlife Fund, UCLA, USC, and the City of Los Angeles.
Goji Labs is a web and mobile app development company headquartered in Los Angeles. Founded in 2014, the team of 30 has helped startups, businesses and non-profits launch 100+ digital products in a variety of industries. Our services include product strategy, UX research, UX/UI design, web, mobile app, and IoT development. We are product and technology experts and specialize in reducing risk on behalf of our partners when bringing new software ventures to market. We believe no great venture should be held back by technical execution. Translating this core belief into action, we work closely with our partners to launch new initiatives and scale existing ones.
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$25,000 +
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10 - 49
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$100 - $149 / hr
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US, Los Angeles
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We earned the best name in the UI/UX design service market, as we have started our journey just a couple of years ago. But, hardly in such a span of time, we have achieved big milestones of success. We are Design-Driven innovators in creating game-changing projects. We craft the projects that are a perfect mix of class and simplicity. We believe in making top-notch projects that are intuitive, easy to operate & create an amazing experience.
UI/UX design and development services for your Mobile and Web Applications from GoProtoz. Our Services are: UI UX Design, UX Design Consulting, Web Design, Data Visualization, Digital Product Ideation, and Branding. GoProtoz has grown from a small start-up to one of the top familiar UI/UX design company.
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$10,000 +
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10 - 49
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$25 - $49 / hr
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US, Little Elm
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We are a full service website design and app development company. An industry leading project to product cycle and high quality code. No outsourcing! We know what it takes to provide our clients with a quality product. Starting a project that consists of thousands of custom lines of codes can be daunting. After 5 years of developing websites and apps, our project cycle is hard to match. The most important part of every project, is client correspondence. Proper planning of a custom platform with an experienced developer saves you thousands of dollars and weeks of time. We are here to help you achieve your goals, and have a great experience while designing and building your platform! We do projects large and small. Every project has it's own custom project scope, timeline, and budget. Simple updates or start to finish cloud platforms. Our experience and knowledge makes all the difference.
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Undisclosed
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2 - 9
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Undisclosed / hr
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US, West Palm Beach
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Gratis Technologies produces the First and only Interactive Customer Community tools the autoWALL, cycleWALL, salesmanWALL and truckWALL. This patent pending system of software connects the true consumer core of the dealership with dealership employees. The tool celebrates and hence monetizes the "service" relationship between the consumer and the dealer.
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Undisclosed
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2 - 9
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Undisclosed / hr
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US, Chattanooga
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Grok is a software consulting firm unlike any other that you've worked with before. Our mission is to help innovators create software solutions that people love and value.
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$5,000 +
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10 - 49
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$100 - $149 / hr
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US, San Antonio
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We build beautiful world class iOS and Android apps and the cloud infrastructures to support them.
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$100,000 +
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2 - 9
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$150 - $199 / hr
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US, Beaverton
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"We believe that everyone deserves a smarter software built from the heart." The blend of entrepreneurial skills and technical expertise allow us to easily understand client business needs and provide fast and reliable solutions. Our founders started working together back in 2008 and after winning multiple awards with our websites and mobile apps, GSIX was founded in 2013. Since the beginning, we have been working with more than 50 software engineers, mobile and web experts, user experience gurus, designers and marketers across EU and USA, serving over 20 million users with our solutions.
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$10,000 +
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10 - 49
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$100 - $149 / hr
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US, Denver
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Gtech Professional LLC is a US based company, registered with the state of New Jersey. We at Gtech offer a wide range of IT services with world-class quality and support. Our fast-growing Clientele proves our effectiveness in providing Customer solutions in IT Projects. We specialize in creation of high quality IT-based Business Management Solutions; and ERP Solutions; Custom Software Development Solutions; Application Development, its Integration and Implementation to companies of all sizes.
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Undisclosed
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2 - 9
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Undisclosed / hr
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US, Jersey City
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AMAYAGROUP SOLUTIONS provides a wide range of Technical staffing and Consulting services Nationwide and International. Our professional team of Recruiters and Consultants specialize in leading edge technology to meet our clients’ existing and ever changing needs efficiently. We first understand the business needs, processes and technology prevalent at client’s location and later work together with their Core team to develop and implement practical business strategies and technology solutions, and/ or assist with meeting the staffing needs to fulfill the business plans. HAMAYAGROUP SOLUTIONS Leadership Team has a combined global experience in providing Superior Staffing and Consulting solutions in areas of IT, Telecom, Engineering and Healthcare sectors. Our Team provides a clear vision, organizational leadership, and management by high ethical standards. We take Pride in our experience of taking end-to-end responsibility for every project and for the personal attention that we give to every client.
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$50,000 +
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2 - 9
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$50 - $99 / hr
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US, Keyport
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Hardcastle GIS is a Global GIS Tech Solution Provider. Our primary focus is the agile development of Geospatial, Software Development,AI/ML, and mobile Application. Hardcastle GIS is located in New York alongside with offices in London and Pune.
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$1,000 +
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50 - 249
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$25 - $49 / hr
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US, New York City
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HaricotTechnologies is a web development, software development, mobile application development & digital marketing company, with a passion for making websites work for businesses and organizations. We are committed to providing search engine optimization services. We have a world-class reputation for delivering our products on time, with a creative, stunning design that incorporates your brand’s vision. At Sam Web Studio, we are focused on results. While providing you top-notch SEO and web development services, we strive to guarantee your 100 percent satisfaction. We believe in working in synergy, and growing together. You grow, we grow!
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$5,000 +
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10 - 49
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< $25 / hr
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US, Fort Mill
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Hashlogics is also known as Software Development Agency because we believe that the future is digital. We also believe that the denial to embrace new technology whether on personal level or corporate level, stops progress and in some case even destroys companies.
Best Software Development Company in Los Angeles. We are a leading Web and App agency in the United States with 100% client satisfaction.
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$1,000 +
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50 - 249
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$25 - $49 / hr
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US, Los Angeles
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We’ve built innovative applications for clients like you. We’ve helped our clients like Adobe, Brad’s Deals, Vegas.com and hundreds more launch highly tailored projects. We take pride in delivering work of the highest caliber, whether it’s Ruby on Rails, Elixir, React, or even a native mobile application.Hashrocket is an expert team of designers, developers, and consultants. We’re here for every phase of your project, from strategy and requirements gathering, design and development, to training and process consulting.
Hashrocket is a different kind of design and development shop. We develop exclusively in pairs, which has won us coverage in the New York Times. We also use a uniquely Agile process in both our design & development that demands a high level of involvement from our clients throughout their project's lifecycle. We are solid user-friendly software built on time and within your budget. At Hashrocket, we have a passion for turning ideas into reality. Our world-class team is fluent in Ruby on Rails, Elixir, React, React Native, iOS, and Android, and we’re ready to design, build, and train so your product is rock-solid and user-friendly.
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$25,000 +
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10 - 49
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$150 - $199 / hr
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US, Chicago
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Hathway is a mobile innovation agency connecting people in new ways. We are thinkers and makers bringing meaningful brand experiences, digital products & emerging technology together to fuel what's next. Since 2008, Hathway has been helping global brands put useful apps and messages in the hands of customers at the right time and place. We turn insights from mobile and social data into innovative mobile applications and responsive websites--digital products that not only engage users, but deliver real results for our clients.
CapabilitiesWe help brands architect their entire digital ecosystem across device, platform and touchpoint.
- Mobile Application Development
- Responsive Web Design
- Commerce
- User Experience Design
- Facebook App Development
- Multimedia Web Applications
- Communities, Intranets and Portals
- Digital Signage
- Web Services and API Integration
- Platform Integration (SAP, Oracle, etc)
- Analytics and Optimization
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$10,000 +
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50 - 249
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$150 - $199 / hr
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US, San Luis Obispo
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Hatton Point is a custom software consultancy. We don’t get excited about technology for technology’s sake. We get excited about solving problems, reducing expenses, and building value in companies. We approach our clients based on the expectation that they get excited about those very same things. We utilize a hybrid-agile method of software development to provide greater transparency. We value long-term relationships with our clients, teammates and partners.
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$10,000 +
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2 - 9
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$150 - $199 / hr
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US, Denver
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Haystack is a leading consulting agency that works in mobile app development, custom software development, software integration, and web development spheres. The firm has its offices in Arizona and Indiana but collaborates with businesses across the U.S.
What kind of specialists are in Haystack's team? These are experts who genuinely "hear" and understand brands, their goals, and business processes. Thus, every business can expect something more than just a quality software solution. This is exactly what gives Haystack an advantage over similar agencies, making it one of the leading agencies in the field. So it's no wonder the company has been repeatedly awarded and has so many positive reviews from its clients.
Phat Scooters, Pomchies, and MemberClicks are just a few companies among satisfied Haystack’s clients.
At the moment, the agency has more than 10 different professionals in the team, and you can meet some of them on the official LinkedIn company page.
What kind of services does Haystack have to offer to its clients? The agency offers the following options to businesses:
- Mobile App Development. iOS/Android development, SaaS development, existing web app duplication, integration with third-party tools;
- Custom Web App Development. Custom integrations with various CRM systems and third-party APIs, SaaS product development, internal automation/performance apps, etc.;
- Website Building. Corporate websites, e-commerce sites, CMS-managed WordPress websites, micro-sites, and secure tools.
How do consultations take place? Haystack's team of experts meets with business owners (or representatives of the business) to discuss any concerns and identify top needs. After receiving all the necessary information, the business can count on professional recommendations from the agency. What's more, they can help implement all the solutions suggested.
Why not email Haystack today and discuss your project in more detail?
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$5,000 +
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10 - 49
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$150 - $199 / hr
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US, Phoenix
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Delivering great software that transforms organizations with high-end consulting services & industry-shaping thought leadership. We make your mission ours.
We’re a custom software development company with Austin, TX roots and partnerships across the country. From application development and enterprise architecture to full-on system modernization, our solutions and services enable you to move faster, work better, and stand out in a shifting market.
As partners, we get to know your business, your people, your customers, and most importantly your mission. We build systems that meet your exact needs—even the ones you haven’t discovered yet. Our people are proven leaders and collaborators who offer full stack expertise and guidance at every step.
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$5,000 +
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10 - 49
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$100 - $149 / hr
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US, Austin
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We partner with startups & corporations to create successful software through business and product strategy, design, and development. We'll help you validate your ideas, define your business strategy, design and build your product, and help you grow your business with a plan that works. Don't just build an app, build a business. No matter what phase you are in with your digital product, Headway is here to help. We also offer a guarantee on the work we provide. If at any time within the first 6 weeks of our contract you aren’t satisfied with our work you can stop the project and request a refund. We promise to refund you 50% of the invoices that have been paid up to that point in the project. No questions asked, no hoops to jump through.
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$25,000 +
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10 - 49
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$100 - $149 / hr
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US, Green Bay
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Health Samurai has been developing enterprise health IT solutions for over a decade. In 2012, Health Samurai learned about the FHIR standard and became one of the first companies to recognize its potential and implement it in real projects. Since then, Health Samurai has been an active participant in the FHIR community, helping to shape the direction of the standard. The company has developed Aidbox, the FHIR backend platform for modern healthcare solutions.
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$10,000 +
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10 - 49
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$50 - $99 / hr
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US, Manhattan Beach
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Heaven Solutions is a company with innovative and experienced people with an IT and business background that can align your IT needs with business requirements by redesigning and customizing your applications and processes using the latest technologies. Based on your needs we can offer both onsite and off-shore support providing you with a personalized solution.
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$25,000 +
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50 - 249
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$50 - $99 / hr
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US, Redmond
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Our advisors and engineers help you solve your business challenges with sustainable and proven technology solutions. We are the trusted resource for valuable advice from the veterans of the tech industry.
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$1,000 +
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50 - 249
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$25 - $49 / hr
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US, Cary
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Our passionate and award-winning team spread across offices in London, Boston, and Newcastle Upon Tyne has delivered industry-leading results for household names all over the globe including Santander, Microsoft, Kodak Alaris, AkzoNobel, Deliciously Ella, Mitsubishi amongst many, many more. If you’ve got a business challenge that you’d like to discuss with our experts, get in touch today.
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$75,000 +
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50 - 249
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$100 - $149 / hr
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US, Boston
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We have a proven record of delivery, mixed with decades of expertise in digital products & partnerships.
We were founded on the principle of helping businesses create great products.
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$75,000 +
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10 - 49
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Undisclosed / hr
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US, Coral Gables
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Hensley-Elam was co-founded by Russ Hensley and Sam Elam in 1998 in Lexington, Kentucky. Since its inception, the company's mission has been to provide professional services in three areas: programming, web services, and infrastructure. Hensley-Elam's customers range from small business ventures to corporations with billions of dollars in yearly revenues, as well as government services.
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Undisclosed
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10 - 49
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Undisclosed / hr
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US, Lexington
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Hidden Brains is an award-winning web, mobile application and software development company in USA & India. 17+ Yrs. Exp. in IT Services & Solutions, Laravel website development. 2400+ Worldwide Clients, 400+ Experts. Contact Us Now!
Hidden Brains Infotech is an Award Winning Enterprise Software & IT Consulting Company committed to provide end-to-end IT services in Web, Mobile & Cloud platforms.
Our deep industry expertise and forward-looking strategy helps us leverage paradigm technology shifts in enterprise solutions to reimagine the potential of the intelligent enterprise.
With a progressive approach, our team is constantly experimenting with unparalleled technology innovation underscored by a series of emerging technologies such as Cloud, Chatbot, Artificial Intelligence, Blockchain, Augmented & Virtual reality, Internet of Things and more.
Our success comes with our knack for helping businesses adopt these technologies which represent vast potential for the future and create opportunities for future, breaking the conventional business barriers, improving different aspects of business and achieve new levels of differentiation.
We are Microsoft Certified Partner and have won several accolades like ICTIS Global Industry & Academic Excellence Award 2017 for Corporate Excellence & Deloitte Technology Fast 50 Award.
Key Services:
Hidden Brains Company at a Glance
- Delivered 5000+ Web projects
- 1000+ Mobile apps, 45+ Games
- 2000+ clients across 103 countries
- Catering to 33+ industries
Hidden Brains offer a collaborative, yet non-competitive environment and cost effective technological solutions – helping build Brands worldwide.
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$5,000 +
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250 - 999
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$25 - $49 / hr
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US, Schaumburg
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HMG was established in late 2012 by a collaborative group of talented designers and developers who strive for nothing short of excellence. We pride ourselves on being an agency full of awesomely creative people, ran by awesomely creative entrepreneurs who all live, eat, breath and sleep creative design and web development. A goal we strive for with each client we have the pleasure of working with. We are Highland Media Group, and we like to do things differently.
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Undisclosed
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2 - 9
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Undisclosed / hr
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US, Winston-Salem
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HireAspDeveloper is an ASP.NET Development Company offering Website and Application Development services in .NET and Mobile App Development for iOS, Google Android and Blackberry. Be it design, development or testing, we implement the best software solutions providing added value to our clients which not only improves their productivity but also enhances their business processes enabling them to accomplish their goals and achieve the desired profit.
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Undisclosed
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250 - 999
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$50 - $99 / hr
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US, Chicago
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Honest App Guys is an Atlanta based digital cloud consulting company that focuses on enterprise cloud solutions for mobile and web applications.
Our foundation is centered around fair pricing and quality work for every project and client.
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$10,000 +
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10 - 49
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$50 - $99 / hr
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US, Atlanta
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This agency has been providing services on the market since 1991, and it has gone through several transformations that have strengthened its position. Today, the team offers services for video production, websites, mobile apps, printing, and much more.
Their professional approach is appreciated by such local US firms as Hewlett Packard, PBS and Oregon Public Broadcasting, Vtech Telephones, Intel, PacifiCorp, and others.
If you're looking for a company to do strategic planning, visual design for your website, content development (e.g. for Instagram), or event management, then you should definitely turn to the experts at Hot Pepper Studios.
To start working with the studio, you just need to email them. They are also open to contact on LinkedIn or other popular social networks.
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$10,000 +
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2 - 9
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$25 - $49 / hr
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US, Portland
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