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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1021$1,000+50 - 249 employeesSan Francisco, CACrestline Digital, a branding firm, was launched in 2018. Headquartered in Sheridan, Wyoming; Denver, Colorado and San Francisco, California, their midsize team offers Branding, Advertising, Social Media Marketing, Search Engine Optimization, and more.Read More
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1022$5,000+2 - 9 employeesLos Angeles, CASuperNice is a web design agency. The team provides Web Design and UX/UI Design and is headquartered in Los Angeles, California.Read More
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1023$1,000+2 - 9 employeesSan Ramon, CAScale Modern Business Solutions LLC is a software development company. Their team is based in San Ramon, California. The firm specializes in Custom Software Development and Web Development.Read More
Industries
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1024$25,000+Freelancer employeesLos Angeles, CALocated in Los Angeles, California, Samuel Nee Web Development and Consulting is a website development firm. They specialize in Web Development and Mobile App Development and were founded in 1998.Read More
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1025$1,000+10 - 49 employeesSoquel, CABees2biz is a Product Design company. Their small team of employees is located in Soquel, California and Bogotá, Colombia. Their team offers Product Design and Blockchain.Read More
Industries
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1026Undisclosed250 - 999 employeesSan Francisco, CAMobiquity Inc. Is a midsize IoT development company. They specialize in IoT development and UX/UI Design and were founded in 2011.Read More
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1027$1,000+2 - 9 employeesLos Angeles, CADINO CODE LA is a branding company. They offer Branding, Web Design, UX/UI Design, Logo, and more and were founded in 2015. Their small team is Los Angeles, California-based.Read More
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1028$1,000+10 - 49 employeesLos Angeles, CAIDOWS Apex is an e-commerce development firm. The Los Angeles, California-based company was established in 2020. Their team offers E-Commerce Development and Mobile App Development.Read More
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1029Undisclosed10 - 49 employeesPalo Alto, CAApp development company Mobile Roadie was founded in 2009. The small team provides Mobile App Development and Mobile & App Marketing.Read More
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1030$100,000+250 - 999 employeesPalo Alto, CAMatellio is a mobile app development firm launched in 2014. The midsize Palo Alto, California-based team focuses on Mobile App Development, IT staff augmentation, Web Development, IoT development, and more.Read More
Clients
StartupsIndustries
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1031$10,000+2 - 9 employeesSan Diego, CASoftware development company Notch8 is based in San Diego, California. Launched in 2007, the team offers Custom Software Development and Web Development.Read More
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1032Undisclosed2 - 9 employeesSanta Rosa, CANorth Bay Networking is a small Santa Rosa, California-based application development company. Their services include Mobile App Development and Search Engine Optimization.Read More
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1033Undisclosed2 - 9 employeesSan Jose, CAEzoominc: Mobile App Studio is a small app development company headquartered in San Jose, California. The team focuses on Mobile App Development and Market Research.Read More
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1034Undisclosed2 - 9 employeesLake Forest, CAMobile app development company Maxeemize was founded in 2016. The small team provides Mobile App Development and Public Relations.Read More
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1035Undisclosed2 - 9 employeesWalnut Creek, CAMiller Media - Walnut Creek is a custom software development firm. Founded in 2012, the firm is in Walnut Creek, California. Their services include Custom Software Development and Web Development.Read More
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1036Undisclosed2 - 9 employeesBurlingame, CAData analytics company and app development firm Transiris Corporation was founded in 2012. The team offers BI & big data consulting & SI and Mobile App Development.Read More
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1037Undisclosed2 - 9 employeesSalinas, CAAB Computer, an IoT development and mobile application development company, offer IoT development and Mobile App Development. They were founded in 1993.Read More
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1038$5,000+10 - 49 employeesFresno, CAHeadquartered in Fresno, California, Webcity Press is a Content Marketing company. Established in 1995, the team specializes in Content Marketing and Search Engine Optimization.Read More
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1039Undisclosed250 - 999 employeesSan Jose, CADigile, a Digital Strategy company, was established in 2015. The team focuses on Digital Strategy and Conversion Optimization and is headquartered in Bengaluru, India and Hyderabad, India.Read More
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1040Undisclosed250 - 999 employeesSan Francisco, CARead More
Projekt202 is a software development and marketing company based in Addison, Texas. They were founded in 2003 and have a team of 285 employees. They specialize in custom software development, UX/UI design, and mobile app development to improve their client’s customer and employee experiences.
Clients
VontoIndustries
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1041UndisclosedFreelancer employeesPasadena, CACustom software development company App Indulge LLC was established in 2012. Headquartered in Pasadena, California, the team focuses on Custom Software Development and Mobile App Development.Read More
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1042$5,000+50 - 249 employeesLos Angeles, CATechcronus Business Solutions is an Ahmedabad, India-based CRM consulting and SI company. They focus on CRM consulting and SI, ERP consulting and SI, IT staff augmentation, Mobile App Development, and more and were founded in 2010.Read More
Clients
SporsTech Startup in LAIndustries
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1043$5,000+2 - 9 employeesFresno, CACloud1Marketing is a Digital Strategy company founded in 2012. Located in Fresno, California, the team offers Digital Strategy and Social Media Marketing.Read More
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1044$1,000+Freelancer employeesBurbank, CAWebsite development firm Felix Digital Solutions is based in Burbank, California. Launched in 2024, the team offers Web Development and Mobile App Development.Read More
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1045$10,000+50 - 249 employeesSunnyvale, CARailsFactory is a midsize software development company. Founded in 2006, the team specializes in Custom Software Development and IT staff augmentation.Read More
Industries
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1046$5,000+Freelancer employeesLos Angeles, CASlick Development is an e-commerce development company in Los Angeles, California. The team specializes in E-Commerce Development and Mobile App Development.Read More
Industries
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1047$25,000+50 - 249 employeesSan Francisco, CARead More
Founded in 2009, MindK is a software development company that specializes in web, custom software, and mobile app development. Their team of 56 employees, based in San Francisco, partners with small business and midmarket clients in the financial services, advertising, and media industries.
Clients
AdidasIndustries
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1048Undisclosed2 - 9 employeesSan Francisco, CAByte Aesthetics is a small San Francisco, California-based user experience agency. The team focuses on UX/UI Design and Custom Software Development.Read More
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1049$5,000+2 - 9 employeesSunnyvale, CAOrestas Labs, an app development company, was founded in 2024. The agency provides Mobile App Development and Web Development, and is small.Read More
Industries
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1050$1,000+2 - 9 employeesSan Diego, CAGREEN BIRD MEDIA is a small branding firm established in 2005. Their team provides Branding and Social Media Marketing.Read More
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