Top 100 Mobile App Developers in California
The Best of December 2025Looking 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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811Undisclosed50 - 249 employeesSan Diego, CASoftClouds is a cloud consulting & SI company launched in 2005. Their team offers cloud consulting & SI and CRM consulting and SI.Read More
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812Undisclosed50 - 249 employeesMenlo Park, CAInboundLabs is a SEO services firm. The team offers Search Engine Optimization and Pay Per Click and is headquartered in Menlo Park, California.Read More
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813Undisclosed50 - 249 employeesAnaheim, CAUB Technology Innovations (UBTI) is a cloud consulting & SI company. The Anaheim, California-based team focuses on cloud consulting & SI and Custom Software Development.Read More
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814Undisclosed50 - 249 employeesSan Jose, CABetaSoft Inc. Is a cloud consulting & SI company. Their midsize team of employees is based in San Jose, California. Their team provides cloud consulting & SI and Application Testing.Read More
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815Undisclosed1,000 - 9,999 employeesSunnyvale, CAXoriant is an UX agency launched in 1990. The company offers UX/UI Design and BI & big data consulting & SI, and is large.Read More
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816Undisclosed50 - 249 employeesSunnyvale, CABased in Sunnyvale, California, TRUEXTEND, Inc. Is a custom software development firm. The team offers Custom Software Development and Web Development.Read More
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817Undisclosed50 - 249 employeesSanta Clara, CAUX company Ab Ovo, Inc. Was founded in 2006. The agency offers UX/UI Design and BI & big data consulting & SI.Read More
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818Undisclosed50 - 249 employeesCupertino, CACodenatives, a CRM consulting and SI company, was launched in 2012. The midsize team offers CRM consulting and SI and Mobile App Development.Read More
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819Undisclosed50 - 249 employeesSan Francisco, CAConcept Labs, a Blockchain company, was established in 2007. The company focuses on Blockchain and Video Production, and is midsize.Read More
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820Undisclosed50 - 249 employeesSan Diego, CAS-Square Systems, Inc, a cloud consulting & SI company, offer cloud consulting & SI and IT managed services. They were founded in 2002.Read More
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821$25,000+10 - 49 employeesLos Angeles, CARead More
Staffing company nexus IT group is headquartered in Overland Park, Kansas; Atlanta, Georgia; Austin, Texas and Boston, Massachusetts. The small agency was established in 2010. Their services include Staffing, IT staff augmentation, and Recruiting.
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822$10,000+50 - 249 employeesMountain View, CATechmave Software is an app development company. The agency is headquartered in Noida, India and Mountain View, California. Their team specializes in Mobile App Development and Web Development.Read More
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823$5,000+10 - 49 employeesSan Mateo, CARead More
Located in San Mateo, California and Beograd, Serbia, Action Engine is a software development firm. They offer custom software development, web development, ux/ui design, mobile app development, and more and were launched in 2017.
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824$1,000+10 - 49 employeesLos Angeles, CAWeb design company Software Demand was founded in 2014. The team offers Web Design and Custom Software Development.Read More
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825$25,000+10 - 49 employeesNew York, NYRead More
Established in 2013, Jafton is a mobile app development company. The small team offers Mobile App Development, Custom Software Development, and Artificial Intelligence. The agency is in New York, New York; Miami, Florida; Los Angeles, California and Austin, Texas.
Clients
SheinIndustries
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826$10,000+10 - 49 employeesTorrance, CAFlaidex LLC, a Digital Strategy company, was launched in 2021. The small Torrance, California-based team specializes in Digital Strategy, UX/UI Design, Custom Software Development, Web Development, and more.Read More
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827Undisclosed250 - 999 employeesSan Francisco, CAFounded in 2011, Braze is a mobile app development firm and Mobile & App Marketing company. Their services include Mobile App Development and Mobile & App Marketing.Read More
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828$25,000+50 - 249 employeesRancho Santa Margarita, CAEstablished in 2016, BayGrape Technology Solutions is an IT strategy consulting company. The team provides IT strategy consulting and Custom Software Development.Read More
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829$5,000+50 - 249 employeesIrvine, CAWeblineGlobal is an application development company launched in 1999. Their midsize team is located in Irvine, California. Their services include mobile app development, ux/ui design, web development, e-commerce development, and more.Read More
Industries
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830$50,000+10 - 49 employeesSan Diego, CAREJOUICE is a branding company. Established in 2013, the team specializes in Branding and UX/UI Design. The agency is headquartered in San Diego, California and Paris, France.Read More
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831$1,000+10 - 49 employeesHuntington Beach, CARead More
Sister Agency is a small advertising company in Tampa, Florida. Their services include advertising, branding, digital strategy, search engine optimization, and more.
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832$10,000+50 - 249 employeesSan Diego, CARead More
BitCot is a development firm from San Diego. It was founded in 2011 and has grown to a team of more than 30 that does mobile app development, web development, and custom software development for small and large companies alike.
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Dick's Sporting GoodsIndustries
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833Undisclosed10 - 49 employeesGlendale, CAEsthete is a Glendale, California-based website development company and application development company. Their services include Web Development and Mobile App Development.Read More
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834$50,000+50 - 249 employeesLos Angeles, CARead More
Hvantage Technologies Inc is a Los Angeles-based digital agency that was founded in 2011. With more than 200 employees, the agency has experts in mobile app and custom software development, UX/UI design, and web design.
Industries
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835$5,000+2 - 9 employeesLos Angeles, CARead More
Digital Stairway is a mobile application development company. Launched in 2015, the firm is located in Austin, Texas and Los Angeles, California. The small team provides mobile app development, pay per click, search engine optimization, social media marketing, and more.
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836Undisclosed10 - 49 employeesOakland, CABlisstering Solutions is a mobile application development firm launched in 2007. Their services include Mobile App Development and Custom Software Development.Read More
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837Undisclosed1,000 - 9,999 employeesBrea, CAFounded in 2000, Nisum is a large Brea, California-based software development company. Their team specializes in Custom Software Development and E-Commerce Development.Read More
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GapIndustries
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838$1,000+Freelancer employeesSacramento, CAMobile app development firm Curious Applications was founded in 2013. The team offers Mobile App Development and UX/UI Design.Read More
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839$10,000+2 - 9 employeesSan Francisco, CARead More
Custom software development company Bloorsoft was founded in 2022. The small team specializes in custom software development, digital strategy, social media marketing, content marketing, and more. The firm is in Toronto, Canada.
Industries
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840$5,000+2 - 9 employeesSebastopol, CAIn Sebastopol, California and Santa Cruz, California, 1stWave Interactive is a branding company. Founded in 2010, the team specializes in Branding and UX/UI Design.Read More
Clients
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