Top 100 Mobile App Developers in California
The Best of June 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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661$1,000+2 - 9 employeesSan Ramon, CABlueZooWeb is a web design company. They are in San Ramon, California. Their team focuses on Web Design and Branding.Read More
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662$1,000+2 - 9 employeesSan Francisco, CAJars Solutions, a web development company, was launched in 2022. The small team offers Web Development and Web Design.Read More
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663$1,000+10 - 49 employeesSan Jose, CATRIPIKA is a custom software development company founded in 2007. The firm specializes in Custom Software Development and HR Consulting.Read More
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664$1,000+10 - 49 employeesSan Jose, CAAll Cyber Solutions is a SEO agency. They are headquartered in San Jose, California, and their services include Search Engine Optimization and Social Media Marketing.Read More
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665$1,000+10 - 49 employeesWalnut Creek, CAFounded in 2008, Aymz Tech is a web design agency. The small team focuses on Web Design and Web Development.Read More
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666$10,000+10 - 49 employeesLafayette, CAFounded in 2011, Synap is a small Reno, Nevada-based software development firm. Their services include Custom Software Development and Enterprise App Modernization.Read More
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667$10,000+10 - 49 employeesSan Carlos, CAHeadquartered in San Carlos, California, TRG Digital is a custom software development firm. They provide Custom Software Development and Digital Strategy and were established in 2018.Read More
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668$5,000+10 - 49 employeesSacramento, CAFounded in 2021, xtenxion is an e-commerce development firm. The company focuses on E-Commerce Development and IT staff augmentation, and is small.Read More
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669$1,000+10 - 49 employeesPasadena, CAGKC - The Good Kind of Crazy is a Pasadena, California-based Advertising company. The team focuses on Advertising and Print Design.Read More
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670$1,000+50 - 249 employeesLos Angeles, CALaunched in 2022, The Website Creatives is a social media marketing firm. The team focuses on Social Media Marketing and Content Marketing.Read More
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671$1,000+50 - 249 employeesLos Angeles, CAEVRR Digital is a branding agency launched in 2015. The firm provides Branding and Social Media Marketing, and is midsize.Read More
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672$5,000+2 - 9 employeesIrvine, CAHeadquartered in Irvine, California and Denver, Colorado, HawkenIO is a small software development firm. The team focuses on Custom Software Development and Artificial Intelligence.Read More
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673Undisclosed10 - 49 employeesCerritos, CAEztechstack is a cloud consulting & SI company. Located in Cerritos, California, their team focuses on cloud consulting & SI and Web Development.Read More
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674$75,000+10 - 49 employeesSan Diego, CAVault R&D is a small IT strategy consulting company. In San Diego, California, the company was founded in 2022. Their team provides IT strategy consulting, custom software development, enterprise app modernization, ux/ui design, and more.Read More
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675Undisclosed10 - 49 employeesPaso Robles, CATek Sturdy is a branding company. Their team is headquartered in Paso Robles, California. The company specializes in Branding and Video Production.Read More
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676$10,000+10 - 49 employeesIrvine, CAEstablished in 2021, VantaSoft is a software development company. Headquartered in Irvine, California, the team specializes in Custom Software Development and Web Development.Read More
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677$1,000+10 - 49 employeesAlpine, CAWeb Nox Designs is a software development firm founded in 2023. Their services include Custom Software Development and Web Development.Read More
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678$1,000+10 - 49 employeesLos Angeles, CAGalaxy Systems is a software development company. Their small team is headquartered in Los Angeles, California. Their services include Custom Software Development and Web Design.Read More
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679$10,000+10 - 49 employeesSan Francisco, CARead More
Motzheim Development is a San Francisco, California-based mobile app development company. The small company was established in 2023. Their team provides mobile app development, ux/ui design, custom software development, web development, and more.
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680$1,000+2 - 9 employeesAliso Viejo, CAStarfruit - Design Lab is a web design agency based in Aliso Viejo, California. Launched in 2025, the team specializes in Web Design and UX/UI Design.Read More
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681$25,000+10 - 49 employeesLos Angeles, CAAr3Tek is a software development firm established in 2020. Their small team is headquartered in and specializes in custom software development, graphic design, and cloud consulting & SI.Read More
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682$1,000+2 - 9 employeesLos Angeles, CAHeadquartered in Los Angeles, California, X Design Solutions is a SEO company. They provide Search Engine Optimization and Public Relations.Read More
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683$1,000+2 - 9 employeesLos Angeles, CALaunched in 2016, Mobiweb Global Solutions is a social media marketing agency. The small team specializes in Social Media Marketing and Search Engine Optimization.Read More
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684Undisclosed2 - 9 employeesLos Angeles, CAPlexipi, an Advertising company, was launched in 2025. The company provides Advertising and Direct Marketing, and is small.Read More
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685$50,000+2 - 9 employeesPiedmont, CABrainChild Innovation is a small artificial intelligence development company headquartered in Piedmont, California. Their services include Artificial Intelligence and IoT development.Read More
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686$1,000+10 - 49 employeesLos Angeles, CAICommuneTech is a small website development firm. Established in 2014, the agency is headquartered in Los Angeles, California and Ahmedabad, India. Their team offers Web Development, Mobile App Development, E-Commerce Development, Web Design, and more.Read More
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687$10,000+10 - 49 employeesCarlsbad, CABrash, a Product Design company, was launched in 2017. The company focuses on Product Design, UX/UI Design, Engineering, IoT development, and more and has a small team.Read More
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688Undisclosed10 - 49 employeesPasadena, CAWebs Anchor is a small Pasadena, California-based social media marketing company. The team focuses on Social Media Marketing and Mobile & App Marketing.Read More
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689$5,000+10 - 49 employeesFremont, CATOPSYNTAX INC, a software development firm, is in Fremont, California. They specialize in Custom Software Development and Enterprise App Modernization and were founded in 2018.Read More
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690$1,000+10 - 49 employeesSan Francisco, CAWebsite Avalon, a small website development company, is headquartered in San Francisco, California. Their services include Web Development and Web Design.Read More
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