Top 100 Mobile App Developers in California
The Best of July 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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421Undisclosed10 - 49 employeesLos Angeles, CAVantedge Studios is a branding firm established in 2016. Based in Los Angeles, California, their small team provides branding, social media marketing, search engine optimization, mobile app development, and more.Read More
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422$5,000+2 - 9 employeesIrvine, CAHGDesign+ is a web design company. Headquartered in Irvine, California, the agency provides Web Design and Web Development.Read More
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Humane Society of North Texas -
423$1,000+10 - 49 employeesLos Angeles, CARead More
Located in Los Angeles, California, Paper Unicorn is a blockchain company. They provide blockchain, mobile app development, and other application development and were founded in 2016.
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424$1,000+50 - 249 employeesLos Angeles, CALogo company American Web Designers Inc was established in 2022. Their midsize team is located in Los Angeles, California and provides logo, web development, web design, e-commerce development, and more.Read More
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425$1,000+10 - 49 employeesIrvine, CAFounded in 2008, 3DEX is a cloud consulting & SI company. The agency specializes in cloud consulting & SI and Custom Software Development.Read More
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4Smile ContesteeIndustries
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426$25,000+10 - 49 employeesBeverly Hills, CAAmbition Labs, an application development firm, was established in 2020. They specializes in Mobile App Development and UX/UI Design.Read More
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427$5,000+10 - 49 employeesSanta Clara, CASmall AR/VR development company Chewed Pixel Studios, is headquartered in Santa Clara, California. Their services include AR/VR development and Mobile App Development.Read More
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428$10,000+2 - 9 employeesSan Diego, CARead More
Launched in 2017, PlatformXR is an AR/VR development company. Their small team is in San Diego, California and Portland, Oregon. Their team focuses on AR/VR development, Mobile App Development, Artificial Intelligence, and Web Design.
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Kaiser PermanenteIndustries
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429Undisclosed10 - 49 employeesGlendora, CAEstablished in 2013, My Best Studio is a small software development company. Their team provides Custom Software Development and Web Design.Read More
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430$5,000+2 - 9 employeesLong Beach, CAWeb4You is a branding firm. The Long Beach, California-based company was launched in 2022. The small team focuses on branding, web design, ux/ui design, web development, and more.Read More
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431$1,000+10 - 49 employeesAntioch, CASkyllect Private Limited, a web development company, is located in Antioch, California and Surat, India. The firm offers Web Development, Mobile App Development, E-Commerce Development, UX/UI Design, and more and has a small team.The firm was established in 2021.Read More
Clients
OpenCoast B2B MarketplaceIndustries
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432$25,000+10 - 49 employeesSanta Monica, CALaneways Software and Digital Pty Ltd is a small software development company. The Port Melbourne, Australia-based company was founded in 2012. Their services include Custom Software Development, UX/UI Design, Application Management & Support, E-Commerce Development, and more.Read More
Clients
Quantum UnderwritingIndustries
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433$75,000+10 - 49 employeesSan Francisco, CARetronyms Labs is a software development firm. Their team is located in San Francisco, California and provides Custom Software Development and Mobile App Development.Read More
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434$1,000+10 - 49 employeesDublin, CAEasiio Systems, Inc is a web development firm. Their small team of employees is located in Dublin, California. Their team provides Web Development and Mobile App Development.Read More
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435$1,000+50 - 249 employeesLos Angeles, CAWeb Design Gator is a branding company. Based in Los Angeles, California, the team provides Branding and Web Development.Read More
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436$10,000+10 - 49 employeesLos Angeles, CAEstablished in 2020, No Nerds No Problem is a web design agency. The team specializes in Web Design and Product Design and is based in Los Angeles, California.Read More
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437$1,000+10 - 49 employeesEncinitas, CASoulilution is an user experience design agency. The small Encinitas, California-based team offers UX/UI Design and BI & big data consulting & SI. The company was founded in 2015.Read More
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438$25,000+10 - 49 employeesSan Francisco, CASavas Labs is a small web development company founded in 2013. Their services include Web Development, Web Design, UX/UI Design, Custom Software Development, and more. The agency is located in New York, New York; San Francisco, California; Boston, Massachusetts and Washington, District of Columbia.Read More
Clients
Harvard University Environmental Defense Fund Adobe NPRIndustries
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439$5,000+2 - 9 employeesPasadena, CAHarlow Technologies is a custom software development company. In Pasadena, California, the team offers Custom Software Development and Mobile App Development.Read More
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440$10,000+2 - 9 employeesSan Diego, CANightcoders, a website development firm, was established in 2012. The team provides Web Development and Mobile App Development and is based in San Diego, California.Read More
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441$10,000+2 - 9 employeesLos Angeles, CARodeo Apps is a software development firm. Their small team is based in Los Angeles, California and provides Custom Software Development and Mobile App Development. The agency was launched in 2019.Read More
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442$10,000+10 - 49 employeesLos Angeles, CAAR/VR development company Frame Sixty is in Largo, Florida and Los Angeles, California. The small company was launched in 2018. Their services include AR/VR development and Mobile App Development.Read More
Clients
Meta Red Bull Johnson & Johnson SamsungIndustries
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443$10,000+50 - 249 employeesPleasanton, CA12th Wonder is a cloud consulting & SI company founded in 2012. Based in Pleasanton, California, the team offers cloud consulting & SI and Mobile App Development.Read More
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444Undisclosed250 - 999 employeesVentura, CAVSolvit, a custom software development firm, was established in 2006. The agency provides Custom Software Development and Cybersecurity, and is midsize.Read More
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445$50,000+10 - 49 employeesMarina del Rey, CABuilding Blocks is a web development company. They offer Web Development and Mobile App Development and were launched in 2016.Read More
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446Undisclosed10 - 49 employeesSan Francisco, CAEstablished in 2016, ScreenMeet is a small San Francisco, California-based IT strategy consulting company. Their services include IT strategy consulting and CRM consulting and SI.Read More
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447$50,000+10 - 49 employeesLos Angeles, CAFounded in 2018, Cadenza is an Enterprise App Modernization company. Their team specializes in Enterprise App Modernization and Mobile App Development.Read More
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448$100,000+50 - 249 employeesSan Francisco, CAEntelis.Team is a midsize San Francisco, California-based IT staff augmentation company. The team offers IT staff augmentation and Custom Software Development.Read More
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449$10,000+2 - 9 employeesOakland, CAAclarify is a small custom software development company. The Boston, Massachusetts-based firm was founded in 2022. Their team provides Custom Software Development, Web Development, Mobile App Development, Blockchain, and more.Read More
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450$1,000+250 - 999 employeesSan Mateo, CAERP consulting and SI company Folio3 Agtech was established in 2005. The agency specializes in ERP consulting and SI and Custom Software Development.Read More
Industries
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