Top 100 Mobile App Developers in California
The Best of October 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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1261Undisclosed2 - 9 employeesStockton, CASmall app development company Rhesus Media Group, is in Stockton, California. Their services include Mobile App Development and Search Engine Optimization.Read More
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1262Undisclosed2 - 9 employeesTorrance, CAGeek Force Web is a small Torrance, California-based web design company. The team offers Web Design and UX/UI Design.Read More
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1263$1,000+10 - 49 employeesSan Francisco, CARead More
Alternova is a software development studio based in Medellin, Colombia, with an office in San Francisco. The studio, founded in 2019, has a team of around 20 that provides custom software development, web design & development, AR/VR development, mobile app development, and e-commerce development services. Alternova serves enterprise and smaller-sized companies in the business services, gaming, real estate, and e-commerce industries.
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UCSFIndustries
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1264$50,000+1,000 - 9,999 employeesSan Jose, CAIoT development company eInfochips - an Arrow company was launched in 1994. The company focuses on IoT development and cloud consulting & SI.Read More
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1265$5,000+10 - 49 employeesSan Jose, CACRM consulting and SI company Clone-Tech is in San Jose, California and Nairobi, Kenya. They focus on CRM consulting and SI and ERP consulting and SI and were founded in 2022.Read More
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1266$10,000+50 - 249 employeesArcadia, CACustom software development company Solace Infotech Pvt. Ltd. Was established in 2010. They are located in Nashik, India; Pune, India and Arcadia, California and have a midsize team. Solace Infotech Pvt. Ltd. Provides Custom Software Development, Mobile App Development, E-Commerce Development, Artificial Intelligence, and more.Read More
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1267$1,000+50 - 249 employeesAnaheim, CARank Sol, a branding firm, is located in Faisalabad, Pakistan and Anaheim, California. The midsize team offers branding, search engine optimization, web design, ux/ui design, and more and was founded in 2009.Read More
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1268$5,000+Freelancer employeesSan Diego, CAAmped Local is an Advertising company. They were launched in 2014 and focus on Advertising and Marketing Strategy.Read More
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1269Undisclosed50 - 249 employeesPasadena, CASatwic Inc is an artificial intelligence development company. The team provides Artificial Intelligence and Robotics Process Automation, and the firm is located in Pasadena, California.Read More
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1270Undisclosed50 - 249 employeesSanta Clara, CAFounded in 2007, Neova Solutions is a midsize Santa Clara, California-based Robotics Process Automation company. Their services include Robotics Process Automation and DevOps Managed Services.Read More
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1271UndisclosedFreelancer employeesLa Cañada Flintridge, CAFounded in 2023, Zendevr is a small La Cañada Flintridge, California-based UX design company. Their team provides UX/UI Design and Web Development.Read More
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1272Undisclosed10 - 49 employeesUnion City, CANv it experts, a web design company, is located in Union City, California and New Delhi, India. They focus on Web Design and E-Commerce Development and were launched in 2021.Read More
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1273$10,000+50 - 249 employeesMission Viejo, CARead More
Founded in 2013, AccelOne is an artificial intelligence firm. They are headquartered in Kirkland, Washington; Buenos Aires, Argentina and Mission Viejo, California and have a midsize team. The firm offers Artificial Intelligence, Generative AI, IT managed services, IT staff augmentation, and more.
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XapoIndustries
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1274$5,000+250 - 999 employeesWoodland, CADigital Growth Labs is an IT staff augmentation company. They provide IT staff augmentation and Custom Software Development and were launched in 2024.Read More
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Jimmy Cooper John WilliamsIndustries
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1275$25,000+50 - 249 employeesSan Francisco, CASoftware development firm Orangesoft was established in 2011. Their midsize team is located in Warszawa, Poland; Sheridan, Wisconsin and San Francisco, California. Their services include Custom Software Development, Mobile App Development, IoT development, and Web Development.Read More
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ASTI Philips OptiCounts Yukon Advanced Optics WorldwideIndustries
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1276$10,000+50 - 249 employeesSan Francisco, CAMANGOSOFT is a midsize e-commerce development company in Kyiv, Ukraine; San Francisco, California; Dover, Delaware and Warszawa, Poland. They provide E-Commerce Development, Mobile App Development, Custom Software Development, AI Consulting, and more and were established in 2016.Read More
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MeethoneybeeIndustries
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1277$10,000+50 - 249 employeesSan Francisco, CACelerative is an user experience design agency. They were launched in 2015, and their services include UX/UI Design and Artificial Intelligence.Read More
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1278Undisclosed10 - 49 employeesSunnyvale, CAEcomZera is an e-commerce development firm launched in 2005. The team provides E-Commerce Development and Web Development.Read More
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GiftingIncIndustries
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1279Undisclosed50 - 249 employeesLos Angeles, CAPCG Media Group is a print design company. Their team is in Dublin, Ireland and Stevenage, England. The firm specializes in Print Design and Direct Marketing.Read More
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1280Undisclosed50 - 249 employeesSan Francisco, CASofomo is a business intelligence company. They are in Wrocław, Poland and San Francisco, California. Their team provides BI & big data consulting & SI and cloud consulting & SI.Read More
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1281$1,000+50 - 249 employeesSan Francisco, CABased in Mission, Kansas; Atlanta, Georgia; Dallas, Texas and Nashville, Tennessee, SoftDoes is a software development company. The firm offers Custom Software Development, UX/UI Design, Artificial Intelligence, IT managed services, and more and is midsize.The firm was launched in 2019.Read More
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FMY Orthodontics Ulala WIX ReclaimIndustries
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1282$10,000+10 - 49 employeesBakersfield, CACloud Ten Labs, a Blockchain company, is in Bakersfield, California; Shen Yang Shi, China and Dhaka, Bangladesh. The agency offers Blockchain, Web Development, and Mobile App Development and has a small team.The agency was established in 2018.Read More
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IntelIndustries
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1283$5,000+10 - 49 employeesLos Angeles, CAKento Systems is a small Accounting company. Launched in 1990, the team offers Accounting and Branding.Read More
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1284Undisclosed10 - 49 employeesRiverside, CAConstantMD Inc. Is a social media marketing agency. Established in 2010, their team provides Social Media Marketing and Search Engine Optimization.Read More
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1285Undisclosed10 - 49 employeesLong Beach, CAEnsymbios, Inc. Is an IT strategy consulting company. The team offers IT strategy consulting and CRM consulting and SI and is based in Long Beach, California.Read More
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1286Undisclosed10 - 49 employeesLaguna Beach, CADevBird is a small Laguna Beach, California-based graphic design company. Their services include Graphic Design and cloud consulting & SI.Read More
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1287Undisclosed50 - 249 employeesSan Francisco, CAUrtheCast is a custom software development company. Located in Vancouver, Canada and San Francisco, California, the team focuses on Custom Software Development and Mobile App Development.Read More
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1288$5,000+2 - 9 employeesTorrance, CAPurpleJACK Technologies is a web design company established in 2012. The team focuses on Web Design and Web Development.Read More
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1289$1,000+250 - 999 employeesGlendale, CATechMatter is a midsize IT managed services company. Based in Glendale, California; Pittsburgh, Pennsylvania; Harrow, England and Dubai, United Arab Emirates, the agency was founded in 2017. Their team provides IT managed services, IT staff augmentation, Custom Software Development, Mobile App Development, and more.Read More
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1290$10,000+250 - 999 employeesVallejo, CAWebskitters is a mobile app development company. Their midsize team is based in Kolkata, India; London, England; Miami, Florida and Claymont, Delaware and focuses on Mobile App Development, Web Development, E-Commerce Development, IoT development, and more. The agency was founded in 2010.Read More
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Mercedes-AMGIndustries
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