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.
Jump to Most Reviewed Companies
List of the Best California Mobile App Development Companies
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871$10,000+10 - 49 employeesFremont, CASmall cloud consulting & SI company Sigmaways, is in Fremont, California. Their services include cloud consulting & SI and IT staff augmentation.Read More
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872$1,000+10 - 49 employeesSan Francisco, CAMobile application development firm Tenddo Inc was founded in 2009. The agency specializes in Mobile App Development and Mobile & App Marketing, and is small.Read More
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873$5,000+10 - 49 employeesSan Jose, CAIn San Jose, California, Evergreen Software Co. Is a branding company. Their services include Branding and Search Engine Optimization.Read More
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874$5,000+10 - 49 employeesCulver City, CALaunched in 2002, Index Promotions, Inc. Is a web design agency. The firm focuses on Web Design and Product Design, and is small.Read More
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875Undisclosed10 - 49 employeesCulver City, CASecret Location is a Culver City, California-based AR/VR development company. Their services include AR/VR development and Mobile App Development.Read More
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876Undisclosed10 - 49 employeesLos Angeles, CAConcept Arts Inc. Is an Advertising company. The Los Angeles, California-based team specializes in Advertising and Packaging Design.Read More
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877Undisclosed10 - 49 employeesLos Angeles, CATONIK+, an UX company, was launched in 2018. The small team offers UX/UI Design and Digital Strategy.Read More
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878Undisclosed10 - 49 employeesSan Francisco, CARedshift Digital, Inc. Is an UX company. Their small team is located in San Francisco, California. Their services include UX/UI Design and Branding.Read More
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879Undisclosed10 - 49 employeesLos Angeles, CAWeb Leads Inc is a small Advertising company. They specialize in Advertising and Mobile App Development and were established in 2010.Read More
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880Undisclosed10 - 49 employeesMill Valley, CAGood Dog Design, a small UX company, is in Mill Valley, California and Australia, Austria. Their services include UX/UI Design and Branding.Read More
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881Undisclosed10 - 49 employeesMountain View, CACypress Digital Media is a Mountain View, California-based application development firm. Launched in 2010, the team specializes in Mobile App Development and Search Engine Optimization.Read More
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882Undisclosed10 - 49 employeesHawthorne, CAAuroinfo - Hawthorne is a small AI firm. They provide Artificial Intelligence and Content Marketing and were established in 2002.Read More
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883Undisclosed10 - 49 employeesVista, CALaunched in 2003, Cognetic Technologies is a custom software development firm. Their services include Custom Software Development and Web Development.Read More
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884Undisclosed10 - 49 employeesWalnut Creek, CAEstablished in 2005, Aviamedia LLC, a small app development firm, is located in Walnut Creek, California. Their team provides Mobile App Development and Web Development.Read More
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885Undisclosed10 - 49 employeesWalnut Creek, CABright Apps LLC, a software development company, is based in Walnut Creek, California. Founded in 1990, the team provides Custom Software Development and Artificial Intelligence.Read More
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886Undisclosed10 - 49 employeesMenlo Park, CAContinuum Global is an Email Marketing company. Their team is located in Menlo Park, California. The firm focuses on Email Marketing and Search Engine Optimization.Read More
Industries
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887Undisclosed10 - 49 employeesAntioch, CA365 Days On is an IT managed services company launched in 2015. The team provides IT managed services and Web Development and is headquartered in Antioch, California.Read More
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888Undisclosed10 - 49 employeesNewport Beach, CADigital EYE Media, a branding agency, is in Newport Beach, California. Founded in 2001, the team offers Branding and Content Marketing.Read More
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889Undisclosed10 - 49 employeesIrvine, CALocated in Irvine, California, Reality Smash is an AR/VR development company. The team focuses on AR/VR development and Mobile App Development.Read More
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890Undisclosed10 - 49 employeesSan Mateo, CAEstablished in 2010, Hi Dev is a software development company. The team specializes in Custom Software Development and Web Development.Read More
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891Undisclosed10 - 49 employeesLos Altos, CAYAP is an AR/VR development company. Located in Los Altos, California, their team provides AR/VR development and Mobile App Development.Read More
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892Undisclosed10 - 49 employeesSan Mateo, CANextPhase.ai is a big data company. Launched in 2012, their team provides BI & big data consulting & SI and cloud consulting & SI.Read More
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893Undisclosed10 - 49 employeesOrange, CABased in Orange, California, Omni Integration is an IT managed services company. The team offers IT managed services and Enterprise App Modernization.Read More
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894Undisclosed10 - 49 employeesSan Jose, CAHiTech ERP Solutions Inc is a cloud consulting & SI company. Based in San Jose, California, the team provides cloud consulting & SI and ERP consulting and SI.Read More
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895Undisclosed10 - 49 employeesSan Francisco, CASnowball Money is a Blockchain company. They provide Blockchain and Mobile App Development and were founded in 2018. The agency is in San Francisco, California.Read More
Industries
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896Undisclosed10 - 49 employeesSan Francisco, CAFounded in 2013, Apptimize is an Application Testing company. The team provides Application Testing and Application Management & Support and is headquartered in San Francisco, California.Read More
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897Undisclosed10 - 49 employeesLos Angeles, CATDF is a social media marketing company founded in 2010. Headquartered in Los Angeles, California, the team provides Social Media Marketing and Product Design.Read More
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898Undisclosed10 - 49 employeesSan Francisco, CA729 Solutions is a branding company. Based in San Francisco, California, the firm was established in 2003. Their services include Branding and IT managed services.Read More
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899Undisclosed10 - 49 employeesSan Diego, CAPortal One Team is a Digital Strategy company established in 2016. The agency provides Digital Strategy and Web Design.Read More
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900$1,000+10 - 49 employeesSan Mateo, CABinstellar Technologies Pvt. Ltd. Is a small mobile application development company. Established in 2021, the agency is based in Ahmedabad, India and San Mateo, California. Their services include Mobile App Development, UX/UI Design, E-Commerce Development, Branding, and more.Read More
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