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.
List of the Best California Mobile App Development Companies
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1321Undisclosed50 - 249 employeesMenlo Park, CAImpossible is a mobile app development company. They are headquartered in Lisboa, Portugal and London, England, and their services include Mobile App Development and UX/UI Design.Read More
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1322Undisclosed1,000 - 9,999 employeesSan Francisco, CARead More
ValueLabs is a global business technology services and solutions provider based in Hyderabad, India with over 25 offices worldwide in the US, Europe, and Asia. Founded in 1997, ValueLabs' team of over 5,000 employees provides non-voice BPO/back office services and voice/call center capabilities.
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1323Undisclosed250 - 999 employeesSan Francisco, CALaunched in 2009, Airship is a midsize mobile application development company and Mobile & App Marketing company. Their services include Mobile App Development and Mobile & App Marketing.Read More
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1324$100,000+50 - 249 employeesSan Jose, CAIntagleo Systems is a midsize Slough, United Kingdom-based custom software development firm. Founded in 2004, the team focuses on custom software development, IT staff augmentation, mobile app development, web development, and more.Read More
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1325Undisclosed250 - 999 employeesEl Segundo, CACloudEQ is a midsize IT strategy consulting company based in Novi, Michigan and El Segundo, California. The team provides IT strategy consulting and cloud consulting & SI.Read More
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1326$5,000+250 - 999 employeesDanville, CAInfoBeans is a custom software development firm. Founded in 2000, their team offers Custom Software Development and Blockchain.Read More
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1327$1,000+250 - 999 employeesSan Jose, CAKsolves India Limited is a CRM consulting and SI company established in 2012. The company provides CRM consulting and SI, BI & big data consulting & SI, ERP consulting and SI, Web Development, and more and has a midsize team. The company is located in Noida, India; Pune, India; Indore, India and San Jose, California.Read More
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LTIIndustries
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1328$10,000+50 - 249 employeesSan Francisco, CAKodexo Labs is a midsize artificial intelligence company. Launched in 2021, the firm is based in Austin, Texas; London, England; Karachi, Pakistan and San Francisco, California. Their services include Artificial Intelligence, Custom Software Development, Mobile App Development, AI Agents, and more.Read More
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Diesel Laptops (Inc. 5000 — Fleet Diagnostics) Extensiv ($130M+ Funded, Inc. 5000 — 3PL Warehouse Management) IFPG (#1 Franchise Broker Organization, North America) Teacher AI ($5M+ First-Year Revenue — AI Language Platform)Industries
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1329$5,000+250 - 999 employeesSan Diego, CAIT managed services company SHE Group is headquartered in Ludwigshafen am Rhein, Germany and Cluj-Napoca, Romania. Launched in 1987, the team provides IT managed services and IT strategy consulting.Read More
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BASFIndustries
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1330Undisclosed1,000 - 9,999 employeesSanta Clara, CAATMECS Global Inc is a Market Research company. They provide Market Research and BI & big data consulting & SI and were established in 2013.Read More
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1331$25,000+250 - 999 employeesMilpitas, CASoftware development firm Gadgeon Systems Inc. Is headquartered in Milpitas, California; Kochi, India; Aartselaar, Belgium and Kakkanad, India. The midsize company was launched in 2011. Their services include Custom Software Development, Product Design, Mobile App Development, IoT development, and more.Read More
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Kore WirelessIndustries
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1332$5,000+250 - 999 employeesLos Angeles, CAMoxie, a Digital Strategy company, was launched in 2000. The midsize team focuses on Digital Strategy and Content Marketing.Read More
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Verizon WirelessIndustries
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1333$5,000+250 - 999 employeesSanta Clara, CABackend Development Company is a website development company established in 2004. They are located in Ahmedabad, India and Santa Clara, California and have a midsize team. The agency offers web development, mobile app development, other application development, web design, and more.Read More
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1334Undisclosed50 - 249 employeesSan Jose, CAEstablished in 1980, Edvenswa Enterprises is a midsize mobile app development company. Their team offers Mobile App Development and Robotics Process Automation.Read More
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1335$5,000+1,000 - 9,999 employeesSan Jose, CAHappiest Minds Technologies is a business intelligence company. The large team is headquartered in Bengaluru, India; San Jose, California; Princeton, New Jersey and Mumbai, India. Their services include BI & big data consulting & SI, cloud consulting & SI, CRM consulting and SI, Application Management & Support, and more.Read More
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1336$5,000+250 - 999 employeesSanta Clara, CAFrontend Development Company is a web development company. Established in 2004, the midsize company is located in Ahmedabad, India and Santa Clara, California. Their team offers web development, mobile app development, other application development, web design, and more.Read More
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1337$25,000+250 - 999 employeesSan Francisco, CAInnovecs, a software development firm, is based in New York, New York; Kyiv, Ukraine; San Francisco, California and Tel Aviv-Jaffa, Israel. Launched in 2011, the midsize team offers Custom Software Development, DevOps Managed Services, BI & big data consulting & SI, cloud consulting & SI, and more.Read More
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SGNIndustries
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1338$10,000+1,000 - 9,999 employeesSanta Clara, CATao Digital Solutions, Inc. Is a large branding firm launched in 2022. Their services include Branding and Digital Strategy.Read More
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1339$10,000+50 - 249 employeesManhattan Beach, CAExist Global is a software development firm. The agency is located in Pasig, Philippines and Manhattan Beach, California. Their services include Custom Software Development and Application Testing.Read More
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1340Undisclosed50 - 249 employeesEscondido, CAPrakat Solutions, a data analytics company, was established in 2009. The agency offers BI & big data consulting & SI and cloud consulting & SI.Read More
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1341$10,000+50 - 249 employeesMountain View, CAGrand IT, a SEO agency, was founded in 2019. The agency offers Search Engine Optimization and Web Design.Read More
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1342$100,000+10 - 49 employeesRedwood City, CARead More
Accelerance is a software development firm. Founded in 2001, the small agency is located in Redwood City, California; Charlotte, North Carolina; Buenos Aires, Argentina and Monterrey, Mexico. Their team specializes in Custom Software Development, Mobile App Development, Artificial Intelligence, Generative AI, and more.
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AcrowireIndustries
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1343$10,000+250 - 999 employeesSan Francisco, CAMagenic is a software development firm. The company is based in St. Louis Park, Minnesota and San Francisco, California. Their team offers Custom Software Development and Mobile App Development.Read More
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DeloitteIndustries
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1344$5,000+1,000 - 9,999 employeesEmeryville, CASeasia Infotech is a custom software development firm in Emeryville, California; Gordon, Australia; Sahibzada Ajit Singh Nagar, India and Edmonton, Canada. Established in 2000, the large team specializes in Custom Software Development, Web Development, Mobile App Development, UX/UI Design, and more.Read More
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HDFC Bank Flipkart CDAC HouseJoyIndustries
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1345Undisclosed50 - 249 employeesSan Jose, CAXebrium Inc, a midsize custom software development firm, is located in San Jose, California and Pune, India. Their services include Custom Software Development and Enterprise App Modernization.Read More
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1346Undisclosed250 - 999 employeesDublin, CABhavna Corp. Is a Noida, India-based application development firm. Their services include Mobile App Development and DevOps Managed Services.Read More
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