Top 100 Mobile App Developers in California
The Best of August 2026Looking for a top mobile app development company in California?
Building a mobile app is expensive. In fact, it can cost $10,000 to $150,000, unless you want an out-of-the-box solution with a DIY app builder. So, choosing the right app developer is important because it can save you time and money and result in an app that makes your business stand out.
As you begin the process of hiring an app development company, remember to define the type of app you want before starting conversations with developers. How complex your app idea is will determine your budget and the skill level you need in an app developer. Then, once conversations begin, ask for portfolio items, reviews, and references. Be sure to bring up timeline, too, so you align on expectations.
Overall, with about 90% of time on mobile spent in apps, investing in a mobile app for your business may help attract customers and get your brand in front of more people.
To assist you in your search for a partner, we’ve compiled this list of the top mobile app developers in California. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best California Mobile App Development Companies
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811$250,000+1,000 - 9,999 employeesSanta Clara, CAInfostretch is a large Application Testing company headquartered in Santa Clara, California and New York, New York. Their services include Application Testing and Enterprise App Modernization.Read More
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812$10,000+2 - 9 employeesSan Francisco, CAEstablished in 2020, WeMakeMVP is a website development company. The small San Francisco, California-based team offers Web Development, UX/UI Design, Custom Software Development, Mobile App Development, and more.Read More
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813$1,000+2 - 9 employeesSan Diego, CAGoyim Design Strategies LLC is a web development firm. They are located in San Diego, California, and their services include Web Development and Branding.Read More
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814$10,000+50 - 249 employeesSacramento, CATaction Software LLC is a custom software development firm. Launched in 2013, the team offers Custom Software Development, Mobile App Development, Artificial Intelligence, and Web Development. Their midsize company is based in Chicago, Illinois; Cheyenne, Wyoming; Noida, India and Austin, Texas.Read More
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First National BankIndustries
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815$1,000+Freelancer employeesSan Diego, CAFelix O Stack is a mobile application development company. The San Diego, California-based team offers Mobile App Development and Web Development.Read More
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816Undisclosed2 - 9 employeesSan Francisco, CARead More
Parade is a digital design agency based in San Francisco. Founded in 2014, they specialize in UX/UI design, web design & development, and mobile app development. They mainly work with large businesses, focusing on arts, entertainment and music, business services, and consumer products and services.
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GoogleIndustries
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817Undisclosed50 - 249 employeesSanta Clara, CAThe X Future Inc is a software development company located in Santa Clara, California and Mumbai, India. The team focuses on Custom Software Development and Mobile App Development.Read More
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UnileverIndustries
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818$10,000+10 - 49 employeesIrvine, CAFounded in 2017, Done-IT is a small Zaporizhzhia, Ukraine-based mobile application development firm. Their team focuses on Mobile App Development and Web Development.Read More
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819$25,000+10 - 49 employeesLos Angeles, CAWebsite development firm Nurdsoft focuses on Web Development and Mobile App Development. They are in Los Angeles, California and Gurugram, India.Read More
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820$10,000+2 - 9 employeesCosta Mesa, CATrooMobile is a mobile application development firm. The firm is based in Costa Mesa, California. Their team focuses on Mobile App Development and UX/UI Design.Read More
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821$1,000+10 - 49 employeesGlendale, CAWeb design agency Shiftr Agency is located in Glendale, California. The small agency was established in 2022. Their services include Web Design, UX/UI Design, Custom Software Development, Web Development, and more.Read More
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822$10,000+10 - 49 employeesBerkeley, CADeCodinate Inc is a Berkeley, California-based mobile application development firm. They provide Mobile App Development and Web Development.Read More
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823Undisclosed10 - 49 employeesFremont, CALightspeed mobile labs is a small app development firm. They specialize in Mobile App Development and Web Design and were established in 2006.Read More
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824$100,000+250 - 999 employeesSan Francisco, CAArcTouch, an IoT development company, was established in 2009. The midsize team focuses on IoT development, UX/UI Design, Mobile App Development, Low/No Code Development, and more. The agency is based in San Francisco, California; New York, New York; Florianópolis, Brazil and Austin, Texas.Read More
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825$25,000+50 - 249 employeesSan Francisco, CALocated in San Francisco, California; San Ramon, California and Lahore, Pakistan, Kwanso LLC is a custom software development firm. They focus on Custom Software Development, Web Development, Mobile App Development, IoT development, and more and were founded in 2012.Read More
Clients
US NewsIndustries
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826$5,000+Freelancer employeesLos Angeles, CASoftyfier, a SEO agency, is based in Los Angeles, California. The small company was founded in 2020. Their team provides Search Engine Optimization, Social Media Marketing, Web Design, Web Development, and more.Read More
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827Undisclosed2 - 9 employeesNewport Beach, CARowdy design is a small web design company based in Newport Beach, California. Their services include Web Design and Web Development.Read More
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828Undisclosed2 - 9 employeesHuntington Beach, CADezTech Consulting is a mobile app development firm. The team focuses on Mobile App Development and Web Development and is based in Huntington Beach, California.Read More
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829Undisclosed2 - 9 employeesBelmont, CAWeb development company Steelkiwi Inc. Was established in 2011. The agency specializes in Web Development and Mobile App Development, and is small.Read More
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830Undisclosed2 - 9 employeesSan Francisco, CAEstablished in 2013, Panalo Solutions is a web development company. Their services include Web Development and Mobile App Development.Read More
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831$10,000+50 - 249 employeesSan Francisco, CAFounded in 2011, NetSet Software Solutions is a Blockchain company. The agency provides Blockchain, Artificial Intelligence, and Mobile App Development and has a midsize team.Read More
Clients
VezbiIndustries
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832$1,000+10 - 49 employeesNewark, CAStackmybiz is a website development firm. The agency is in Ranchi, India and Newark, California. Their services include Web Development and Mobile App Development.Read More
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833$1,000+10 - 49 employeesSacramento, CAELEK+RIK is a Fort Lauderdale, Florida-based application development company. The small team focuses on Mobile App Development, Web Development, Artificial Intelligence, Custom Software Development, and more. The company was established in 2010.Read More
Clients
Amgen, NFL, Mercedes, Korean Air, Sky Therapist, Doctor on Demand, BMW, Rakuten, Vivadere, VeChainIndustries
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834$5,000+10 - 49 employeesLos Angeles, CARead More
Octal Digital is a web design company based in Houston. Founded in 2008, their team of two employees provides e-commerce development, mobile app design, and web design services.
Clients
Coca ColaIndustries
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835$25,000+10 - 49 employeesOntario, CAHaven Agency is a website development company. They focus on Web Development and UX/UI Design and were launched in 2006. The agency is based in Ontario, California and Irvine, California.Read More
Clients
Riot GamesIndustries
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836Undisclosed10 - 49 employeesFresno, CACatalyst Marketing Company is a Digital Strategy company founded in 2011. The small team specializes in Digital Strategy and Media Planning & Buying.Read More
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837Undisclosed10 - 49 employeesSan Francisco, CAEqu@tions INC is an AI development company. Launched in 2016, the agency is located in San Francisco, California. Their team specializes in Artificial Intelligence and Graphic Design.Read More
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838Undisclosed10 - 49 employeesLos Angeles, CADT Professional Services, LLC is a cloud consulting & SI company. The firm is based in Los Angeles, California. Their services include cloud consulting & SI and Mobile App Development.Read More
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839Undisclosed10 - 49 employeesPleasanton, CACrestPoint Solutions, an IT managed services company, was founded in 2000. The team offers IT managed services and Custom Software Development.Read More
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840Undisclosed10 - 49 employeesLos Angeles, CASuperba AR - Augmented Reality & AI is an app development firm. Founded in 2017, the firm focuses on Mobile App Development and AR/VR development.Read More
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