Top 100 iPhone Applications Development Companies in California

Based in Los Angeles, California and New York, New York, App Makers USA is an app development firm. The company specializes in Mobile App Development, Web Development, and UX/UI Design and is small.The company was established in 2014.

Zurgerberg Inc is a mobile app consultancy founded in 2019 in Half Moon Bay, Calif. With 10+ employees on board, they mainly provide mobile app development and product design. Their clients consist of small-sized companies in consumer products and business services industries, with a few enterprise-level clients as well.

Micro1, a website development company, was established in 2019. Located in Palo Alto, California, their midsize team provides Web Development, Mobile App Development, Web Design, and Low/No Code Development.

Naked Development is a mobile app development company based in Irvine, Calif. Founded in 2017, their team of 6 specializes in mobile app development, UX/UI design, and web development.  

Toptal is a private network of freelance technologists and designers. With more than 2000 freelance workers in its exclusive community, Toptal can be instrumental in finding the right freelance partner for development projects. The community includes developers for any platform, finance experts, and designers of both visual material and graphic interfaces. Because of its screening process, Toptal combines the reliability and expertise of an agency with the flexibility and affordability of freelance work.

CitrusBits is a mobile app development company based in Los Angeles, CA and founded in 2005. The team of nearly 60 employees is passionate about creating mobile technology and responsive mobile content for all businesses.

Goji Labs is a web and mobile app development company based in Los Angeles. Founded in 2014, they have a team of about 30 that helps launch products in numerous industries ranging from business services to education. They provide product strategy, UX/UI design, mobile app, web, and IoT development services to various clients including startups, corporations, and nonprofits.

Wve Labs is an application development company. Founded in 2015, the team provides Mobile App Development, Web Development, UX/UI Design, and Artificial Intelligence. Their midsize firm is headquartered in Irvine, California; Beverly Hills, California; Riyadh, Saudi Arabia and Monza, Italy.

Vincit California is a software development company that has provided mobile app development, custom software development, and UX/UI design services to their clients since 2007. Their team of 1,000 employees is based out of Irvine, Calif. With another office in Helsinki.

Launched in 2019, Koderspedia is a custom software development company. The midsize Palo Alto, California-based team specializes in custom software development, web development, mobile app development, e-commerce development, and more.

Diffco is a company of world-class senior developers in Mobile, Web, and AI to launch, accelerate, and support your business applications. 13+ years of experience and 1000+ successfully launched projects. We succor our customers to become market leaders.

Overturn Media is a website development company. Launched in 2015, the team provides web development, video production, mobile app development, e-commerce development, and more. Their small firm is in Los Angeles, California.

Morning Stars Developers is an application development company based in Inglewood, California. They focus on mobile app development and web development and were established in 2021.

Located in Venice Beach, Calif., Dogtown Media specializes in app development, artificial intelligence, and UI/UX design for clients in the health care and financial services industries. With an additional office in San Francisco, the company, founded in 2011, has a team of around 30 who have helped launch 100+ apps for startups and Fortune 500 companies.

Spartan is a custom software development company based in Los Angeles, California; Da Nang, Vietnam and Ho Chi Minh City, Vietnam. The midsize firm was established in 2022. Their team specializes in custom software development, web development, mobile app development, IoT development, and more.

Saritasa is a full-source software development firm based in Newport Beach, Calif. With additional offices in New York City, Russia, and Vietnam. They were founded in 2005 and employ a team of about 90 who provide custom software, web, mobile, IoT, and AR/VR development for mostly mid-sized businesses.

Frenchy Digital LLC is a mobile app development company based in Los Angeles with offices in Paris and Alger, Algeria. The company, founded in 2019, has a team of less than ten that provides mobile app development, web development, and e-commerce development services. Frenchy Digital serves mid-market and other-sized companies and institutions in the e-commerce, financial services, health care & medical, and government sectors.

Founded in 2015, Geekbears is a Web and Mobile Design & Development company based in California. They have served 200+ customers, and the list is growing. They worked with clients like Samsung, Harvard, and Indeed. From ideation to launching a digital product, Geekbears walk its clients through the entire process. Their main focus is to help businesses create stunning web and mobile applications to help make the world a more productive one.

Website development firm JetRuby Agency is headquartered in Alexandria, Virginia and San Francisco, California. The midsize team offers Web Development, Mobile App Development, Artificial Intelligence, Custom Software Development, and more and was established in 2010.

Established in 2009, Y Media Labs is a 200+ digital strategy and technology agency that focuses on innovation. With headquarters in Redwood City, CA and offices in Atlanta, Indianapolis, and New York, the company splits its time between mobile app development, digital strategy, and UI/UX design.

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.

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.

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.

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.

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.

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.

GenAI.Labs USA is an AI development company founded in 2015. Their small team is in San Diego, California. The agency provides Artificial Intelligence, Generative AI, Custom Software Development, Web Development, and more.

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.

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.

Revealize Inc. is a web development agency that has been offering web design and web development services to their clients since 2017. Their 10 employees are based out of Newport Beach, Calif.