Top 100 iPhone Applications Development Companies in the United States

WebcentrIQ is a software development company in San Diego. Founded in 2017, they have about 10 employees that serve mostly midmarket and small-business clients in the healthcare, financial, and IT industries. Services include custom software development, mobile app development, and UI/UX design.

HubSpire is a digital agency based in New York with offices in Matawan, NJ, and Cochin, India. Founded in 2008, HubSpire's team of around 25 employees provides small and mid-market consumer products and IT companies with a range of services such as mobile app development, web design, web development, and big data consulting. 

Reinvently is a mobile strategy and app development agency in Palo Alto, Calif. and Dallas. With a team of about 43 employees, the agency specializes in UI/UX design, research and consulting, and engineering.

Based in Denver, Appit Ventures is a software development company that specializes in creating mobile applications and developing custom software. With around 30 employees and offices in a second and third office in London and India, the company has a portfolio of 300+ clients.

Launched in 2017, Geeks of Kolachi is a web development company. They are in , Pakistan and have a small team. The company provides web development, mobile app development, cloud consulting & SI, and custom software development.

Located in Las Vegas, Nevada, Codingscape is a product design company. Launched in 2018, the midsize team focuses on product design, cloud consulting & SI, custom software development, web development, and more.

A development company founded in 2005, Infinite Red, Inc. is based in Vancouver, Wash. Their team of fewer than 50 works in additional offices in San Rafael, Calif., servicing small to midmarket businesses. They offer web and mobile app development as well as web and UX/UI design services.

TangoCode, founded in 2015, is a woman-owned custom development company. The company is headquartered in Chicago, with additional offices in Montevideo, Uruguay, and Cuenca, Ecuador. Their team of 41 employees specialize in custom software development, mobile app development, and AI. They work with mid-market and small businesses that are mostly in the advertising & marketing, financial services, and automotive industries. 
 

Headquartered in Durham, NC, CrossCom is a mobile and web development company. The team of 15+ employees specializes in development for web, native, iOS, Android, and cloud-based apps. Founded in 1998, CrossCom serves mostly small and mid-market businesses in the business services, consumer products, and health care and medical industries.

Sidebench is a strategy, design, and development consultancy with a team of 70+ experts headquartered in Los Angeles. Founded in 2012, Sidebench caters to enterprise companies and new ventures seeking the management consultants & experienced founders, the technical chops of systems architects, and a UX-first approach. Sidebench provides app and web development, UX/UI design, web design, and app testing via a fully integrated product delivery team.

Intuitio Labs is a software development company. Launched in 2018, the midsize agency is based in Atlanta, Georgia. Their services include custom software development, mobile app development, media planning & buying, product design, and more.

Ptolemay is a software company based in Walnut, Calif. with more than 10 employees. Founded in 2017, they provide custom software, web, and mobile app development solutions to small and mid-market companies in the fields of financial services, education, and arts.

Woodridge Software is a custom software development agency located in Denver, Colo. Founded in 2012, they have 20 employees specializing in building custom web and mobile applications for businesses ranging from startups to Fortune 500 companies. Services include UX and UI design and the development of software, and web and mobile applications.

inMind is a software development agency based in Montevideo, Uruguay. Founded in 2008 by a team of systems engineers, inMind now has 44 employees and offers an extensive range of development services to a global, technology-forward client base. Their areas of expertise include mobile app development for Android and iOS, web development, enterprise app modernization, and blockchain development.

Established in 2001, JLOOP is a mobile application development firm. Their small team is based in Long Beach, California and , . Their team focuses on mobile app development, web development, and video production.

Launch by NTT DATA, a mobile app development company, was founded in 2023. The firm provides mobile app development, product design, custom software development, web development, and more and has a midsize team.

With offices in New York, Walpole, Mass., and Boston, AppsChopper is a creative mobile app development company. It was founded in 2011 and employs a team of more than 50 experts. AppsChopper specializes in mobile app development, UX/UI design, strategy, and marketing services. Its client base mainly is comprised of mid-sized companies.

TGI is a digital strategy company. Launched in 2007, the team offers digital strategy, business consulting, custom software development, web development, and more. Their midsize agency is based in Acton, Massachusetts.

Unstuck Labs is a creative technology company headquartered just outside of Washington, D.C., in Arlington, Va. The company was founded in 2017, and has a team of 10 employees. Their team mainly does UX/UI design, mobile app development, web design, and web development. 
 

Entrision is a software development firm located in Milwaukee. The firm was founded in 2012 and currently maintains a team of 6. They primarily focus on custom software development, mobile app development, IoT development, and web development.

Based in Beaverton, OR, Sembit is a full-service digital agency that specializes in web development, custom software development, e-commerce development, and mobile app development. Founded in 2009, Sembit has about 12 members on staff. 

Product design company Topflight Apps is based in Irvine, Calif. with a second location in Las Vegas. Since 2015, their team of 17 has specialized in mobile app development, web development, UX/UI design, and more. They work for small and midmarket businesses alike in the healthcare, ecommerce, consumer products, and financial industries.

Allied Code, a custom software development company, is based in Paradise Valley, Arizona. The small firm was established in 2009. Their services include custom software development and mobile app development.

Custom software development firm Serious Development was founded in 2014. Their small team is based in Pasadena, California and Houston, Texas and focuses on custom software development, mobile app development, web development, web design, and more.

Headquartered in St. Petersburg, Florida, Cyfrania is a small website development firm. Established in 2022, the team provides web development, mobile app development, and enterprise app modernization.

Founded in 2016, Crowdbotics is a development company based in Berkeley, Calif. They work with businesses of all sizes in the business services, consumer products, and healthcare fields. 

Located in Pasadena, Calif., Art + Logic is a development and design firm that was founded in 1991. The team of 85 work with a diverse set of clients on their custom software development, web development, web design, and mobile app development needs.

Novateus is a software solutions provider based in Baton Rouge, La. The 5-person company got started in 2017 and develops custom software, websites, and mobile apps for small businesses.

Logic Solutions, a software development firm and mobile app development company, is located in Plymouth, Michigan. The firm specializes in custom software development and mobile app development and has a midsize team.The firm was founded in 1995.

EnterBridge Technologies is a software development firm. They are headquartered in Richmond, Virginia and have a small team. Their services include custom software development and IT strategy consulting.