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.
Jump to Most Reviewed Companies
List of the Best California Mobile App Development Companies
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1171$1,000+10 - 49 employeesLos Angeles, CAAce Online Marketing Solutions is a small Los Angeles, California-based app development firm. The team provides Mobile App Development and Search Engine Optimization.Read More
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1172Undisclosed10 - 49 employeesSan Francisco, CASoftware Next Door is a software development firm. The team focuses on Custom Software Development and Mobile App Development and is headquartered in San Francisco, California.Read More
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1173$25,000+10 - 49 employeesSunnyvale, CAGameAnax is an application development company. Their small team is in Ahmedabad, India and Sunnyvale, California. Their team provides Mobile App Development and AR/VR development.Read More
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1174Undisclosed50 - 249 employeesSan Jose, CAMobile application development company EnLume Inc is in San Jose, California and Hyderabad, India. They focus on Mobile App Development and Enterprise App Modernization.Read More
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1175$1,000+10 - 49 employeesPleasanton, CAMobile app development firm Sense7AI, Inc is located in Pleasanton, California and Coimbatore, India. Established in 2022, the team focuses on Mobile App Development and Artificial Intelligence.Read More
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1176$50,000+50 - 249 employeesSan Francisco, CAFounded in 2017, Sprint Studios is an IT staff augmentation company. Their midsize team is headquartered in San Francisco, California; San Juan, Puerto Rico; Miami, Florida and New York, New York. Their services include IT staff augmentation, Custom Software Development, Web Development, Mobile App Development, and more.Read More
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SnapptIndustries
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1177Undisclosed50 - 249 employeesSanta Cruz, CAOctopus is an user experience company. Established in 2011, the firm is headquartered in Santa Cruz, California. Their services include UX/UI Design and Branding.Read More
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1178Undisclosed50 - 249 employeesSunnyvale, CAKREEYAA, an IT strategy consulting company, was founded in 2010. The team focuses on IT strategy consulting and Cybersecurity and is located in Sunnyvale, California.Read More
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1179Undisclosed50 - 249 employeesWalnut Creek, CAASD Global-Public Sector is a software development firm in Walnut Creek, California. They specialize in Custom Software Development and ERP consulting and SI.Read More
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1180Undisclosed10 - 49 employeesSan Francisco, CARivi is an user experience design agency founded in 2017. Their team provides UX/UI Design and Product Design.Read More
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1181$50,000+50 - 249 employeesOakland, CACustom software development company Blue Trail Software was founded in 2013. Headquartered in Oakland, California; Tepatitlán de Morelos, Mexico; València, Spain and Resistencia, Argentina, their midsize team specializes in Custom Software Development, Building Security Services, Application Testing, Mobile App Development, and more.Read More
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1182Undisclosed50 - 249 employeesPleasanton, CARiverstone Infotech is a software development firm. The agency is based in Chennai, India and Pleasanton, California. Their services include Custom Software Development and Web Design.Read More
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1183Undisclosed250 - 999 employeesSan Francisco, CAMidsize Application Testing company Testing Hero, is headquartered in San Francisco, California and Hanoi, Vietnam. The team specializes in Application Testing and Web Development.Read More
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1184Undisclosed250 - 999 employeesRichmond, CAHartmann Studios is a branding agency launched in 1984. Their services include Branding and Event Marketing.Read More
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1185$10,000+50 - 249 employeesPalo Alto, CADatamart is a midsize Palo Alto, California-based custom software development company. Their services include Custom Software Development and Web Development.Read More
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1186Undisclosed10 - 49 employeesSan Juan Capistrano, CATerse Software is a Blockchain company. Established in 2017, the team offers Blockchain and cloud consulting & SI.Read More
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1187Undisclosed10 - 49 employeesSan Jose, CAElevate Digital Services, a web development firm, is located in Dubai, United Arab Emirates and San Jose, California. Their services include Web Development and Mobile App Development.Read More
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1188$1,000+50 - 249 employeesLos Angeles, CAInfowebusa Technologies is a SEO agency in Los Angeles, California and Noida, India. The team provides Search Engine Optimization and Pay Per Click.Read More
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1189Undisclosed10 - 49 employeesSan Mateo, CALaunched in 2018, ZealoTech People is an user experience company. Headquartered in San Mateo, California and Nashik, India, the team specializes in UX/UI Design and Custom Software Development.Read More
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1190Undisclosed50 - 249 employeesSanta Clara, CASATech Digital is a software development company. The Santa Clara, California-based team focuses on Custom Software Development and Enterprise App Modernization.Read More
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1191$5,000+10,000+ employeesSan Francisco, CAGlobant is a large web development firm. They offer Web Development and Custom Software Development and were founded in 2003.Read More
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1192$5,000+2 - 9 employeesEl Dorado Hills, CAFirethorne Design, an e-commerce development firm, was established in 2009. The team offers E-Commerce Development and Mobile App Development and is in El Dorado Hills, California.Read More
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1193$5,000+2 - 9 employeesSan Jose, CAWeb design company Rasteroids Design was launched in 2000. The team offers Web Design and Custom Software Development and is headquartered in San Jose, California.Read More
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1194Undisclosed2 - 9 employeesSanta Clarita, CASanta Clarita Web & IT is a mobile app development company launched in 2003. The small team provides Mobile App Development and Search Engine Optimization.Read More
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1195Undisclosed2 - 9 employeesLaguna Hills, CAM.O.V.E. UP Marketing Group is an application development company. Located in Laguna Hills, California, the firm focuses on Mobile App Development and Social Media Marketing.Read More
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1196$5,000+50 - 249 employeesSan Francisco, CAGITS Indonesia is a midsize cloud consulting & SI company. Based in Bandung, Indonesia, the firm was founded in 2010. Their team focuses on cloud consulting & SI, mobile app development, custom software development, and web development.Read More
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1197$10,000+50 - 249 employeesLos Angeles, CAPingle Studio is a mobile app development firm established in 2007. Their services include Mobile App Development and Custom Software Development.Read More
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1198Undisclosed10 - 49 employeesVentura, CALENCOP TECHNOLOGIES PRIVATE LIMITED is a web development company based in Kolkata, India and Ventura, California. The team offers Web Development and Digital Strategy.Read More
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1199$5,000+50 - 249 employeesWest Hollywood, CANuvem Group is a cloud consulting & SI company founded in 2015. Headquartered in Miami, Florida and London, England, the team focuses on cloud consulting & SI and Custom Software Development.Read More
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1200$25,000+250 - 999 employeesNewark, CAArgusoft is a software development firm. They offer Custom Software Development, Mobile App Development, Web Development, Enterprise App Modernization, and more and were established in 2001. Their midsize team is based in Newark, California and Gandhinagar, India.Read More
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World Health Organization (WHO)Industries
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