Top 100 Mobile App Developers in California
The Best of March 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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1261$10,000+50 - 249 employeesSan Francisco, CACelerative is an user experience design agency. They were launched in 2015, and their services include UX/UI Design and Artificial Intelligence.Read More
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1262Undisclosed10 - 49 employeesSunnyvale, CAEcomZera is an e-commerce development firm launched in 2005. The team provides E-Commerce Development and Web Development.Read More
Clients
GiftingIncIndustries
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1263Undisclosed50 - 249 employeesLos Angeles, CAPCG Media Group is a print design company. Their team is in Dublin, Ireland and Stevenage, England. The firm specializes in Print Design and Direct Marketing.Read More
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1264Undisclosed50 - 249 employeesSan Francisco, CASofomo is a business intelligence company. They are in Wrocław, Poland and San Francisco, California. Their team provides BI & big data consulting & SI and cloud consulting & SI.Read More
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1265$10,000+10 - 49 employeesBakersfield, CACloud Ten Labs, a Blockchain company, is in Bakersfield, California; Shen Yang Shi, China and Dhaka, Bangladesh. The agency offers Blockchain, Web Development, and Mobile App Development and has a small team.The agency was established in 2018.Read More
Clients
IntelIndustries
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1266$5,000+10 - 49 employeesLos Angeles, CAKento Systems is a small Accounting company. Launched in 1990, the team offers Accounting and Branding.Read More
Industries
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1267Undisclosed10 - 49 employeesRiverside, CAConstantMD Inc. Is a social media marketing agency. Established in 2010, their team provides Social Media Marketing and Search Engine Optimization.Read More
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1268Undisclosed10 - 49 employeesLong Beach, CAEnsymbios, Inc. Is an IT strategy consulting company. The team offers IT strategy consulting and CRM consulting and SI and is based in Long Beach, California.Read More
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1269Undisclosed10 - 49 employeesLaguna Beach, CADevBird is a small Laguna Beach, California-based graphic design company. Their services include Graphic Design and cloud consulting & SI.Read More
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1270Undisclosed50 - 249 employeesSan Francisco, CAUrtheCast is a custom software development company. Located in Vancouver, Canada and San Francisco, California, the team focuses on Custom Software Development and Mobile App Development.Read More
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1271$5,000+2 - 9 employeesTorrance, CAPurpleJACK Technologies is a web design company established in 2012. The team focuses on Web Design and Web Development.Read More
Industries
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1272$5,000+50 - 249 employeesSan Francisco, CATechnoBrains Business Solutions LLP is a San Francisco, California-based custom software development company. The midsize agency was launched in 2009. Their services include Custom Software Development, Web Development, Artificial Intelligence, AI Consulting, and more.Read More
Industries
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1273$10,000+250 - 999 employeesVallejo, CAWebskitters is a mobile app development company. Their midsize team is based in Kolkata, India; London, England; Miami, Florida and Claymont, Delaware and focuses on Mobile App Development, Web Development, E-Commerce Development, IoT development, and more. The agency was founded in 2010.Read More
Clients
Mercedes-AMGIndustries
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1274Undisclosed250 - 999 employeesPleasanton, CACriticalRiver Inc. Is a cloud consulting & SI company founded in 2014. The team focuses on cloud consulting & SI and IT managed services and is in Pleasanton, California and Hyderabad, India.Read More
Industries
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1275$5,000+10 - 49 employeesSan Francisco, CALocated in Milano, Italy and San Francisco, California, WebRatio is a custom software development company. They focus on Custom Software Development and Mobile App Development.Read More
Industries
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1276Undisclosed250 - 999 employeesPleasanton, CAFounded in 2005, Folio3 Software is a midsize Pleasanton, California-based custom software development firm. Their team offers Custom Software Development and Web Development.Read More
Industries
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1277$5,000+2 - 9 employeesRancho Cucamonga, CAFounded in 2010, RockonIT is a branding agency. Their team specializes in Branding and Social Media Marketing.Read More
Clients
Coldwell BankerIndustries
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1278$1,000+2 - 9 employeesLos Angeles, CAWeb design company IMPA is based in Los Angeles, California. Established in 2012, the team provides Web Design and Pay Per Click.Read More
Industries
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1279$5,000+2 - 9 employeesLos Angeles, CARead More
Sacred Cow Studios is a small website development firm headquartered in Los Angeles, California. The team focuses on web development, search engine optimization, mobile app development, web design, and more.
Industries
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1280$5,000+2 - 9 employeesSan Diego, CATranscend Solutions, Inc. Is a branding company. Their small team is in San Diego, California. Their services include Branding and Search Engine Optimization.Read More
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1281$5,000+2 - 9 employeesSan Diego, CAITegrity Web Technologies is a San Diego, California-based SEO agency. Founded in 2002, the team provides Search Engine Optimization and Web Design.Read More
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1282$5,000+2 - 9 employeesSan Diego, CAJetscram is a small branding agency in San Diego, California. Their services include Branding and Web Design.Read More
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1283$5,000+2 - 9 employeesLos Angeles, CAEstablished in 2000, Vonderland Studios Inc is a branding company. Headquartered in Los Angeles, California, the team provides Branding and Marketing Strategy.Read More
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1284$5,000+2 - 9 employeesSan Jose, CAPixelwebsource is a small web design agency based in San Jose, California. The team specializes in Web Design and Custom Software Development.Read More
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1285$5,000+2 - 9 employeesElk Grove, CAEstablished in 2009, Summit Marketing, Inc is a small PPC company. Their services include Pay Per Click and Search Engine Optimization.Read More
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1286$5,000+2 - 9 employeesSacramento, CASmall web design company Lake WebWorks, is located in Sacramento, California. The team offers Web Design and Web Development.Read More
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1287Undisclosed2 - 9 employeesLakewood, CABranding agency Senarysoft was established in 2012. The company specializes in Branding and Web Design.Read More
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1288Undisclosed2 - 9 employeesPasadena, CAFounded in 2003, WYNK Marketing is an Email Marketing company. The small team specializes in Email Marketing and Graphic Design.Read More
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1289Undisclosed2 - 9 employeesVista, CARandy Speckman Design is a web design agency. The Vista, California-based firm specializes in Web Design and Email Marketing.Read More
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1290Undisclosed2 - 9 employeesTemecula, CAWolfe Interactive, Inc., a social media marketing company, focuses on Social Media Marketing and Content Marketing. The agency is based in Temecula, California.Read More
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