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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451$5,000+10 - 49 employeesSan Diego, CALaunched in 2003, Saba SEO is a small San Diego, California-based application development company. Their team specializes in Mobile App Development and Pay Per Click.Read More
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452$5,000+10 - 49 employeesLos Angeles, CAProve is a Content Marketing company. The firm is based in Los Angeles, California. Their team focuses on Content Marketing and Mobile App Development.Read More
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453$1,000+10 - 49 employeesCarlsbad, CAEnteracloud is a small Carlsbad, California-based IT strategy consulting company. The team focuses on IT strategy consulting and cloud consulting & SI.Read More
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454$1,000+10 - 49 employeesSacramento, CAMarketinGear is a Sacramento, California-based social media marketing firm. The team specializes in Social Media Marketing and Content Marketing.Read More
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455$50,000+50 - 249 employeesSanta Cruz, CACodeStringers is a software development firm. They offer Custom Software Development and Web Development and were launched in 2012.Read More
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Aquabyte Tonal MasterControl Little PassportsIndustries
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456$5,000+2 - 9 employeesSan Francisco, CAStartupLandia is a custom software development firm launched in 2012. Located in San Francisco, California, the team specializes in Custom Software Development and Mobile App Development.Read More
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457Undisclosed2 - 9 employeesSanta Monica, CAThe Raven Company is a small Santa Monica, California-based web design company. Their services include Web Design and IT managed services.Read More
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458$25,000+10 - 49 employeesWestlake Village, CAUser experience company Iteration Group specializes in UX/UI Design and Mobile App Development. They were established in 2011.Read More
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459$1,000+10 - 49 employeesGarden Grove, CAGoodwin Systems LLC, a web design company, is located in Garden Grove, California. Their services include Web Design and Web Development.Read More
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460$5,000+2 - 9 employeesSan Jose, CAAppeX Technology is a San Jose, California-based custom software development company. They specialize in Custom Software Development and IT strategy consulting and were launched in 2019.Read More
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461$5,000+250 - 999 employeesIrvine, CAPreludeSys is an Enterprise App Modernization company. The team is in Irvine, California and Chennai, India, and their services include Enterprise App Modernization and Artificial Intelligence.Read More
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462$25,000+2 - 9 employeesLos Angeles, CAFounded in 2009, Alive Parts is a small Los Angeles, California-based e-commerce development company. Their services include E-Commerce Development and Product Design.Read More
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463$5,000+10 - 49 employeesSanta Ana, CAMAB Ventures is a SEO company. Founded in 2002, the team specializes in Search Engine Optimization and Pay Per Click.Read More
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464$10,000+50 - 249 employeesSan Francisco, CARead More
Povio Labs is a design and development company headquartered in San Francisco. The team of 100+ provides software, web, and app development (iOS and Android), in addition to UX design, services to its small business and midmarket clients across a number of industries.
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Serena WilliamsIndustries
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465$25,000+50 - 249 employeesNewport Beach, CATechFlex Development, a midsize web development firm, is located in Newport Beach, California. The team provides Web Development and Mobile App Development.Read More
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466$5,000+50 - 249 employeesNewport Beach, CALaunched in 2023, EcombitHub is a custom software development company. The company focuses on Custom Software Development and Web Development.Read More
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467$5,000+10 - 49 employeesSan Francisco, CAIMRepublic, Inc, a custom software development company, was established in 2005. The small San Francisco, California-based team provides custom software development, mobile app development, web development, ux/ui design, and more.Read More
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Riverside InsightsIndustries
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468$10,000+50 - 249 employeesRiverside, CAIn Riverside, California, Q-vantage is a midsize social media marketing company. Their services include Social Media Marketing and IT strategy consulting.Read More
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469$25,000+10 - 49 employeesIrvine, CADV8 Infosystems is a cloud consulting & SI company. Founded in 2020, the firm is in Irvine, California and Chicago, Illinois. Their services include cloud consulting & SI and Cybersecurity.Read More
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470Undisclosed10 - 49 employeesSan Jose, CAFounded in 2010, Thinking Hut IT Solutions Pvt. Ltd. Is a small custom software development firm. Their services include Custom Software Development and Enterprise App Modernization.Read More
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471$25,000+10 - 49 employeesLos Angeles, CAVirtuzo Infosystem Pvt Ltd is a small mobile application development firm. Established in 2012, the team focuses on Mobile App Development and Web Development.Read More
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472Undisclosed10 - 49 employeesSan Francisco, CAJonajo Consulting is a Marketing Strategy company launched in 2012. The company offers Marketing Strategy and Mobile App Development, and is small.Read More
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473$1,000+10 - 49 employeesLos Altos, CAFounded in 2010, WebAppMate is a small Los Altos, California-based ERP consulting and SI company. Their team provides ERP consulting and SI and Custom Software Development.Read More
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474$1,000+50 - 249 employeesDanville, CARedBlink Technologies is a midsize Digital Strategy company headquartered in Danville, California. Their services include Digital Strategy and Search Engine Optimization.Read More
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475Undisclosed2 - 9 employeesSunnyvale, CATokyoTechie is a Blockchain company. Headquartered in Pune, India and Delhi, India, the team offers Blockchain and E-Commerce Development.Read More
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476$1,000+2 - 9 employeesSan Diego, CAIn San Diego, California, Namazu Studios is a custom software development company. The team focuses on Custom Software Development and Web Development.Read More
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477$5,000+250 - 999 employeesBelmont, CAHeadquartered in Belmont, California; Pleasanton, California; North Sydney, Australia and Sharjah, United Arab Emirates, Folio3 is a midsize ERP consulting and SI company. Launched in 2005, the team provides ERP consulting and SI, Mobile App Development, Wearable App Development, Custom Software Development, and more.Read More
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478$25,000+10 - 49 employeesAtlanta, GARead More
Software development company Bellwood was established in 2019. Their small team is headquartered in Atlanta, Georgia; Farmington, New York; Gold River, California and Orlando, Florida. Their services include Custom Software Development, Web Development, Mobile App Development, E-Commerce Development, and more.
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WarnerMediaIndustries
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479Undisclosed2 - 9 employeesFremont, CAUser experience design company Logo Tunnel focuses on UX/UI Design and E-Commerce Development. They are located in Fremont, California.Read More
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480$25,000+50 - 249 employeesSan Diego, CASynergyTop is a website development company. The midsize San Diego, California-based company was launched in 2014. Their team provides Web Development, Custom Software Development, Other Digital Marketing, UX/UI Design, and more.Read More
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TRIMARKIndustries
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