Top 100 Mobile App Developers in California
The Best of January 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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241$5,000+10 - 49 employeesGlendale, CARoyal Digital Agency is a small branding agency located in Glendale, California. Established in 2016, the team specializes in branding, digital strategy, social media marketing, content marketing, and more.Read More
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242$25,000+2 - 9 employeesSan Diego, CABackpack Works is a San Diego, California-based web design agency. The small team specializes in Web Design, UX/UI Design, Custom Software Development, Web Development, and more. The agency was founded in 2019.Read More
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243$1,000+10 - 49 employeesSanta Clarita, CAIT staff augmentation company IT Tech Hub LLC was established in 2016. The firm specializes in IT staff augmentation, custom software development, web development, mobile app development, and more and has a small team.Read More
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244$10,000+1,000 - 9,999 employeesSan Francisco, CAAKQA is a CRM consulting and SI company. In San Francisco, California and London, England, the firm was founded in 1994. Their team provides CRM consulting and SI and E-Commerce Development.Read More
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NikeIndustries
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245$10,000+10 - 49 employeesSan Francisco, CARead More
TheSpider is a San Francisco-based web design company founded in 2009. The company employs a team of around 10 that offers web design, web development, e-commerce development, mobile app development, and UX/UI design services to small and mid-size companies.
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Quest Diagnostics -
246$10,000+10 - 49 employeesSan Diego, CACareMinds is a small IT staff augmentation company. Based in San Diego, California, the firm was launched in 2022. Their team specializes in IT staff augmentation, web design, ux/ui design, product design, and more.Read More
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247$10,000+10 - 49 employeesIrvine, CARead More
INSTALOPER, LLC is a web design company. The small Irvine, California-based firm was launched in 2016. Their team specializes in web design, ux/ui design, custom software development, web development, and more.
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248Undisclosed250 - 999 employeesLos Angeles, CAAce Infoway is a web development company. In Los Angeles, California, their team focuses on Web Development and Custom Software Development.Read More
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OSHOIndustries
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249$10,000+10 - 49 employeesLos Angeles, CANafs is a Marketing Strategy company. They are based in Los Angeles, California and have a small team. The agency provides Marketing Strategy, Digital Strategy, Social Media Marketing, Web Design, and more.Read More
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250$25,000+10 - 49 employeesSan Diego, CARead More
BL3NDlabs is a software and strategy design firm based in San Diego. They were founded in 2015, and have a team of 13 employees. They specialize in custom software development, mobile app development, and product design.
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San Diego Gas & Electric -
251$50,000+10 - 49 employeesSan Diego, CARead More
Odyssey Computing, Inc. Is a web design company headquartered in San Diego, California. The small agency was founded in 1996. Their services include web design, ux/ui design, custom software development, web development, and more.
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252$1,000+10 - 49 employeesLos Angeles, CABeyondCurious is an application development company headquartered in Los Angeles, California. The team offers Mobile App Development and Web Development.Read More
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253$5,000+50 - 249 employeesLos Altos, CABryj is a mobile application development firm established in 2013. The team focuses on Mobile App Development.Read More
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254$5,000+2 - 9 employeesSan Diego, CARead More
Software development company EyeUniversal is in San Diego, California. The small firm was established in 2005. Their services include custom software development, mobile app development, search engine optimization, web design, and more.
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255Undisclosed10 - 49 employeesLos Angeles, CAInSitu Sales is an application development company headquartered in Los Angeles, California and Medellín, Colombia. They focus on Mobile App Development and were founded in 2016.Read More
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256$1,000+10 - 49 employeesSan Francisco, CAMobile App Development San Francisco is a mobile app development firm. They specialize in Mobile App Development and UX/UI Design and are located in San Francisco, California.Read More
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257$5,000+50 - 249 employeesLos Angeles, CALos Angeles Bizz is a Los Angeles, California-based application development company. They offer Mobile App Development and Search Engine Optimization and were established in 2011.Read More
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258Undisclosed50 - 249 employeesSan Jose, CAMidsize app development firm V-Soft, Inc., is based in San Jose, California. The team specializes in Mobile App Development and Custom Software Development.Read More
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259Undisclosed2 - 9 employeesBeverly Hills, CARead More
Thunderbolt Studios is a digital design and custom technology development company based in Beverly Hills, California, that was established in 2014. Their team of 20 employees offers UX/UI design, mobile app development, and web development services.
Clients
CURBSTAND - On-demand Valet Payments and Valet Opps Logistics solutions, web & mobile apps -
260$50,000+10 - 49 employeesSan Diego, CARead More
Treeline Interactive is a software development company based in San Diego. Since being founded in 2004, it has grown to a team of about 54 that does IoT development, custom software development, mobile app development, and web development. Its clients are mostly midmarket and small businesses.
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Landmark Aviation -
261$25,000+50 - 249 employeesSan Francisco, CAIntuitech, a Digital Strategy company, is headquartered in Budapest, Hungary and San Francisco, California. The team provides Digital Strategy and Custom Software Development.Read More
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TelenorIndustries
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262$1,000+50 - 249 employeesSan Jose, CAMetaAppVerse is a midsize app development firm. They provide mobile app development, IoT development, and other application development and were founded in 2018. The company is headquartered in San Jose, California.Read More
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263Undisclosed10 - 49 employeesCarlsbad, CAHire Mobile App Developer is a mobile app development company founded in 2010. The team specializes in Mobile App Development and UX/UI Design.Read More
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264$50,000+10 - 49 employeesSan Jose, CAKrysp is a small San Jose, California-based mobile application development firm. Their services include Mobile App Development and Other Application Development.Read More
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265$5,000+10 - 49 employeesLos Angeles, CADitans group is a Los Angeles, California-based business consulting company. The small team offers business consulting, digital strategy, search engine optimization, pay per click, and more and was founded in 2020.Read More
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266$5,000+10 - 49 employeesIrvine, CAHorizon Labs is a small Irvine, California-based web development company. They focus on Web Development, Custom Software Development, Artificial Intelligence, IT staff augmentation, and more and were founded in 2019.Read More
Clients
YuraHealth.com Kidsy.co Rarewaters.com Flairlabs.ai (YC S22)Industries
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267$5,000+10 - 49 employeesOakland, CALimeTech is a mobile app development firm headquartered in Oakland, California and Boston, Massachusetts. The team specializes in Mobile App Development and Web Development.Read More
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268$5,000+50 - 249 employeesBakersfield, CABakersfieldBizz, a mobile app development company, was established in 2011. The midsize team focuses on Mobile App Development and Search Engine Optimization.Read More
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269$1,000+10 - 49 employeesLos Angeles, CAAVMDEVS LLC is a branding company. Their small team is based in Los Angeles, California. The company provides Branding, Social Media Marketing, Search Engine Optimization, Graphic Design, and more.Read More
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270$1,000+10 - 49 employeesSan Diego, CADextersol, a web design company, provide Web Design and UX/UI Design. They were founded in 2019.Read More
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