Top iOS - iPhone Mobile App Development Companies in United States

Nous is a global software services provider with a presence in 5 continents.

Nous Infosystems is a global product engineering and IT service US-based company. Nous has been delivering technology outsourcing solutions to customers for more than two decades. Nous has achieved the CMMi Level 5 SVC + SSD v1.3 certifications.

Nous offers enterprise application development, maintenance, integration, and legacy app modernization services, product engineering, independent testing, and remote infrastructure management services with deep expertise in competencies in digital (inclusive of digital transformation, digital experience, digital integration services, UX/UI, enterprise mobility consulting, enterprise portals, DevOps, and RPA), cloud computing (inclusive of Azure, AWS, and Salesforce), data analytics and business intelligence solutions (inclusive of data visualization with power bi, data integration and migration, data platform modernization, advanced analytics), software testing (Functional Testing, Test Automation, Performance Testing, Security Testing, and more), IT infrastructure management services (Managed Services, Cloud Automation, ServiceNow implementation, Predictive Monitoring, and more), Microsoft technologies, open source consulting, and agile development services across various industry verticals such as banking and financial services, insurance, healthcare, and retail.

Stop waiting to build your Version 1.0

Nova is the go-to mobile app agency for startups. We build beautiful, user-focused MVPs to launch great ideas off the ground.

Whether your goal is to increase your users or land that Series A investment, we'll keep your best interests in mind. When you're successful, we're successful.

We believe in building fast and iterating often. Your minimum viable product will be architected with future versions and thousands of users in mind.

Startups love us

“Nova was highly responsive from start to finish. We had weekly calls to discuss progress, and they accommodated schedule changes with grace. They never missed a deadline and always offered a solution to any issues that arose.” – CEO, Merge

“The ease with which I was able to reach them and communicate any questions I had stood out. Because my company is young, things change quickly, and Nova was able to handle both large and small change requests.” – CPO, Dunlo

“Nova always finds a way to overcome our current obstacle. They are dedicated to solving problems in truly innovative ways.” – CEO, DreamSparkr

We combine focused user research techniques, top-talent dev teams, and utilize agile workflows to produce the right outcome the first time.

When we started, we set out to create products that would help businesses overcome the challenges of digital transformation and their journey to the cloud. Today, our products are deployed for the most critical applications in commercial, government, and non-profit institutions in the world to solve problems we hadn’t even dreamed of back then. We partner with clients to drive real business outcomes with best-in-class software development, strategy, user experience, technology solutions and everything in-between, powered with the latest technologies and the best industry-specific strategic recommendations.

Oak.Works will help you get the most value from your time and money. We help our clients understand the technical costs and benefits so they can make wise decisions, then we execute plans professionally with an eye towards our clients' long-term success. Services we offer include:

• Strategic planning
• eCommerce
• Mobile Design and Development for Android and iOS
• Web application development

It sll starts with choosing the right team. As much as world focuses on the end result, the first step is always finding the right people. After all, a project is only as good as the team working on it. We are a team of obsessive software maniacs who think, dream and breathe code.

We believe in innovation with simplicity. Great inventions that have changed the world... the wheel, pulley, lever, are all simple ideas.. then why should software development be any different? That is what stands us apart from others. We like to think differently and try to find solutions with simple yet innovative approach. From smartphones to smart homes and cars, we build apps beyond screen sizes and device types. With our unparalleled experience, creative thinking, and comprehensive processes, we help our clients become more competitive and high-performance businesses. If you are looking for just another software development firm or a digital agency, we are probably not a right fit but if you are looking for a technology partner who can share your challenges and work together to make things happen, then we are the right people to get in touch with.

Offshorent designs and develops web (custom or themed), mobile apps (native or hybrid) and ecommerce sites/apps in multiple platforms.  We work with a number of digital marketing agencies and software product companies as their backend design or development team. In Philadelphia alone we work behind the scene for 14 digital agencies. We are flexible in how we work.  Our core values are

• Transparency
• Pride of ownership
• Client Care
• Innovation
• Respect
• Efficiency

At Ogle Design, we create digital strategies and design solutions to impact people and bring our clients' boldest ideas to life.

Ogle Design has been on the market since 1989, establishing itself as a creative and talented team of experts with a passion for innovation in design.

The most important thing about our agency is that we are fully committed to our customers. You can meet us on LinkedIn and check our website to see a portfolio with projects in residential, commercial & technology, co-living, co-working & hospitality, master planning & resort, modular & prefabrication areas.

Based in Portland, Oregon, OA's team of experts has a rich experience in design, implementation, API deployment. They are able to professionally write high-quality and lasting code, as well as offer wise design decisions. No matter if it's a serverless architecture (e.g. AWS Lambda, Google Cloud Functions, or Microsoft Azure Functions), a monolithic app (a single-tiered software application), or a microservice - OA can handle it faster.

We are OMNIblvd (boulevard) a full-service agency. We fully believe that every brand we work with belongs on the main drag hence, boulevard. We work with brands to propel them by infusing them with now culture and attention. Day in, day out, we fully submerge ourselves in your brand’s reputation, customer acquisition, and growth strategy. Welcome to the boulevard!

► WHAT WE DO◄ One Team US is USA based Technology Company and provides

• Custom Software Development - 10+ Enterprise Solutions
• Mobile App Development - 200+ Mobile apps
• Product Development – 5+ Products
• Product Development Entrepreneur/Investor based Products including ABC Shark Tank Winning Product
• IoT Applications – 10+ IoT Hardware/ Software Solutions
• Website Development -75+ Web development and Support
• eCommerce Development – 20+ online stores
• Artificial Intelligence (AI)/ Machine learning Development,
• Magento eCommerce Development,
• Odoo ERP Development,
• professional services, consulting, and business process outsourcing services.

► CERTIFICATIONS◄ ✓ Women Business Enterprise certified (WBENC)
✓ Minority Supplier Development Council (MMSDC)
✓ E verify certified
✓ Magento eCommerce Certified
✓ DUNS registered company
✓ SAM certified
✓ Odoo ERP Solution provider
✓ Oracle Silver Partner
✓ GE Digital alliance partner
✓ Google 5-star review
✓ Glassdoor 5-star employee review ► HOW WE DO◄ We work with well-known USA brands, entrepreneurs who want to become well-known, and with other national brands. Our product development and web app development portfolio is diverse, and we partner with our clients by providing end-to-end project services or can fit into almost any share of development on joint projects. ► INDUSTRIES I WORK WITH ◄ Manufacturing
Healthcare/Medical
Retail / eCommerce
Automotive Industry
Home Automation
Engineering and Construction (Telematics)
Recreation
Transportation and Logistics
Pet products
Process Improvements
Sports & Fitness
Entrepreneur Services ► DIFFERENCE ◄ 60+ person tech enthusiasts team has been delivering hardware and software custom solutions since 2010. Our unique combination of leaders with vision, software skills, project management experience, talented designers, and attention-to-detail presents us as the ideal choice to develop your product ideas and develop a wide range of highly optimized solutions. www.oneteam.us

One Wave Designs Founded in 2004. We are dedicated Hawaiian Outrigger Canoe paddlers, so we know how important and essential it is to be in "stroke" and "rhythm" with our clients. As equally important, we know that each and every web design must be planned and created for search engine visibility. Our focus is on helping our clients achieve their marketing and business growth goals while delivering visually rich products designed to attract their customers and keep them there.

OMG offers a wide range of web services including Web Design, Internet Marketing, Website Maintenance, Database Administration, Web Security Services, Hosting Services and much more. We are extremely competitive and take pride in our commitment to provide our clients with excellent service and superior quality of work.

Onsharp is a Midwestern leader in web design, software & app development, and custom integrations. With over 250 clients throughout the United States and abroad, we are focused on building long-term relationships and delivering world-class solutions for our clients.

Ontash has been providing technology solutions since 1993 staying at the forefront of innovation while putting clients first. Whether helping hospitals optimize their Medicare and Medicaid reimbursements or automating their work processes, Ontash looks for cutting-edge yet cost-effective solutions. Too many organizations have bloated, proprietary and wasteful technologies that aren’t able to take advantages of recent advances in enterprise computing and much lower cost of cloud infrastructure.

Onward Development is a custom software development company based out of Gainesville, Florida. Onward Development’s mission is to help businesses of all sizes excel in their given markets through custom technology solutions. Some specialities of Onward Development include web development, mobile application development, enterprise software development, API development, and backend system integrations.

We are a software development company committed to providing cutting-edge and cost-effective software solutions for small businesses and start-ups, as well as enterprise solutions for medium and large-scale businesses.

OST (Open Systems Technologies) is a $68 million company. OST has been focused on providing IT Hardware and Custom Sofware Solutions. Since 2003, the company has grown it revenue at a compounded rate of over 35% annually. In 2007, 2008, 2009 2010, 2011 and 2012 OST was recognized in INC. magazine’s 5,000’s Fastest Growing Private Companies. OST was also listed on CRN’s Tech Elite 250 in 2010 and 2011, and CRN’s FastGrowth100 in 2007, 2008 and 2009 and on the Michigan 50 Companies to Watch in 2009. Find out more at www.ostusa.com

OpenForge is the leading brand in Mobile App Consulting.  As Ionic Framework's #1 Trusted Partner in the United States & South America, our team specializes in empowering businesses to succeed through Mobile Applications, Progressive Web Apps, and App Store Optimization. 

Contact us today if:

• You need to build a Mobile Application (UI/UX or Development)
• You need help increasing your App Store Rating or handling User Feedback
• You need help with a difficult development tasks (Ionic, Angular, React, or Cordova)

Our advisory & consultancy team enables agility, scalability, and operational effectiveness while working with your product managers to build a digital roadmap. Our unique value comes in the ability to “cross-poll innovate”- by bringing the best ideas from adjacent industries to your business.

Develop high quality mobile app & web

Web Design, E-commerce solutions.

50+ Apps developed

100+ website designed

Optimum Design Technology LLC is a company that primarily specializes in web design. We are based in Roseville, Minnesota in the Twin Cities market, but we provide our services for clients all over the United States, even several around the world. If you are looking for a new website or revitalizing your existing website, we will offer you attractive and affordable options suited to your business and your budget.

Orafox is young and vibrant Outsourced Product Development company that delivers perfect results with peace of mind throughout our entire range of services. we always keep out customer informed of our progress and ourselves focused on improving your online business success. We do Custom Web application development and Outsourced Product Development to create extend the degree of successful clients. We create and have expertise in below area:

• Interactive Web Design
• Website Development
• Web Applications
• Mobile Applications Development
• Quality Assurance
• Open Sources Customizations and Development

We are having great experience in below key services:

• Outsourced Product Development
• eCommerce Development
• CRM Development
• ProcessMaker Consultancy

At ORASES, we believe in improving lives through technology and design. We look for companies and products that will make a difference and align with our vision. We are a Maryland based development agency who's philosophy centers on high-end design and building amazing products.

We don't build Angry Birds. We focus on the hard stuff. We develop custom mobile apps, web apps, and web based applications...and make all the pieces work together.

We are experts in developing complex software that typically has a need to integrate with other systems, like ERP's, CRM's, EMR's, 3rd Party systems, or different APIs and complex datasets.

We are unique in our design and development approach and this has helped us build consistent quality.

OrbitSoft is a successful high-tech development company with about 20 years of experience.  We provide our clients with a full-cycle development service. Our key capabilities:   - Wide Ad Tech expertise   - Web development    - Custom development from scratch    - Mobile app development    - System Administration   - IT-Consultancy service During this time, we created hundreds of different projects for more than 1000 clients all over the world. Our developers are highly valued by our clients for their professionalism and in-depth technical knowledge.  We can be your outsource dev team or a great addition to your current team. Do you have any questions or need additional information? 

We help organizations innovate by building cutting edge web, mobile and IoT products. Domain expertise: Real Estate | IoT | Fintech | Marketplaces Our services include full product lifecycle • Prototype, UI/UX Design • Development: Web, Mobile, IoT applications • QA, Testing • Delivery, Maintenance and Support Reach out today to get a free consultation.

Over the last 15+ years we've built a stellar reputation for delivering exceptional customer experiences via marketing technology. We’ve worked with top brands including Dole, Brandman University, Volkswagen, and Aetna. And we’ve partnered with top creative talent like Sapient-Razorfish, Crispin Porter + Bogusky, 72andSunny, and many more.

Oshyn partners with some of the best brands and creative agencies in the world to create exceptional digital marketing solutions. By providing services, technology, and platforms, Oshyn enables creative talent to focus on what they do best: creating amazing work. Oshyn is known for its expertise in CMS and web development (particularly Sitecore), content management selection, content migration, mobile app development, digital marketing integration, and optimization. Over the past 15+ years built a stellar reputation working with top brands including Dole, Brandman University, Volkswagen, and Aetna. And they’ve partnered with top creative talent like Sapient-Razorfish, Crispin Porter + Bogusky, 72andSunny, and many more.

Otreva's team is built of designers who can write code and design visuals & developers who can build interfaces as well as web strategists who can connect all of it. We believe that you should know the people who are working on your project. We’re motivated to create direct conversations with our clients and the people that actually do the work. We want our Designers and Design Leads to manage projects so that you have direct access to the people who understand the problem. Shorter timelines and better applications are the result.

OURS GLOBAL is one of the leading IT and ITES outsourcing companies around the world which offers high-end software application development services, digital marketing services, creative services, photo editing services, finance & accounting services, contact center services, data entry services and much more. Our services caters to start-ups, small-medium and large organizations across the globe. With best in class professionals, penetrability and quick TAT, we have become one of the top leading IT and ITES outsourcing companies.

DISCOVER. BUILD. TOGETHER.

Invention is our joy and passion. We love to build technology alongside brilliant, creative people (on our team and yours). 

We build smart apps, both as an incubator and software development studio. We use lessons learned from launching our own products / companies to better launch yours (and vice versa) - our leaders, code libraries, delivery methods, and intelligence-driven development pipeline help us redefine how software is built and used.

Paragon Innovations is a national product development and design firm specializing in turnkey engineering solutions for both Fortune 500 and small start-up firms alike. Focusing on the design, development, and documentation of custom embedded systems, innovation is at the heart of everything we do. With more than 29 years in business, Paragon Innovations has worked with companies in a wide range of industries including automotive, consumer electronics, Medical Device, IoT, telecom, and Video.

Paragon Marketing is a name offering effective marketing and business solutions that raise your company’s recognition, traffic of potential customers, sales, leads, profits, and success. Dedicated to your business just as much as we are to ours, you can rely on us to be a partner for your company’s marketing needs.

” Imagine your future of progress with our intelligent marketing and other business solutions. “

Marketing and advertising is vital for a business to thrive. Under the name of Paragon Marketing, you are trusting a team of skilled marketing strategists and internet marketing experts that implement effective strategies for your business. No matter what industry your business may be a part of, our services can prove to be valuable for it.

At Paragon Marketing, we specialize in developing strategic marketing and advertising programs to help our clients build successful and highly profitable businesses.

We won’t just say but will show what we mean when we promise that we will increase your lead sales and profits by using the most powerful direct marketing techniques ever developed. We are experts at both traditional and Internet marketing.

If you are looking for a marketing company that will help you increase your leads, sales, and profits, you must be sure to make the right choice and select the right partner!

The Blackboard Mobile Communications App, formerly ParentLink, integrates with all the school tools needed—from websites, social media and mass notifications—for a more streamlined communication experience. Their native mobile apps give parents, students, and staff a single location to check messages, receive alerts, monitor grades and homework, view bus route information, and even check cafeteria and library balances.

Pascat Graphics and Marketing Company, your full service marketing and advertising agency. Where we make your business our business and your business is our business. We love getting into your business. Proudly serving the United States and Canada. Founded in 1999 with an overriding commitment to deliver quality services to fulfill our client's unique objectives. Making history in the field of marketing and advertising. 

Patchboard creates websites, mobile apps, & communities that bring people together. Based in Cincinnati, Ohio, we create websites for many great clients including music festivals, venues, and sports teams. Additionally, we offer marketing services to clients including Search Engine Marketing, Social Media Advertising, Video Advertising, and Display Advertising & Retargeting.

PCIS GOLD is a managed EHR software built for independent medical groups. Their company prides itself on offering customized products & personalized service. The PCIS GOLD PM is designed to get your physicians paid faster. The PCIS GOLD EHR software enables you to save time, cut out excess paperwork, & keep physicians happy. PCIS GOLD Mobile App provide the tools patients need to empower them to participate in the management of their health actively.

Peaksoft provides access to talented teams of experienced software engineers & experts to deliver custom-tailored solutions by saving client's time and resources.