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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1051$5,000+Freelancer employeesLos Angeles, CASlick Development is an e-commerce development company in Los Angeles, California. The team specializes in E-Commerce Development and Mobile App Development.Read More
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1052Undisclosed2 - 9 employeesSan Francisco, CAByte Aesthetics is a small San Francisco, California-based user experience agency. The team focuses on UX/UI Design and Custom Software Development.Read More
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1053$5,000+2 - 9 employeesSunnyvale, CAOrestas Labs, an app development company, was founded in 2024. The agency provides Mobile App Development and Web Development, and is small.Read More
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1054$5,000+10 - 49 employeesPlacentia, CAKreative Tek Solutions is a custom software development company. They are located in Placentia, California. Their team focuses on Custom Software Development and Artificial Intelligence.Read More
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1055$25,000+50 - 249 employeesLos Angeles, CATechgropse is a mobile application development company. Located in Dubai, United Arab Emirates; Riyadh, Saudi Arabia; Doha, Qatar and Sharjah, United Arab Emirates, their midsize team offers Mobile App Development, Artificial Intelligence, E-Commerce Development, and Custom Software Development. The firm was established in 2015.Read More
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1056$1,000+2 - 9 employeesSan Diego, CAGREEN BIRD MEDIA is a small branding firm established in 2005. Their team provides Branding and Social Media Marketing.Read More
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1057$5,000+2 - 9 employeesLos Angeles, CARead More
Sacred Cow Studios is a small website development firm headquartered in Los Angeles, California. The team focuses on web development, search engine optimization, mobile app development, web design, and more.
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1058$5,000+2 - 9 employeesVisalia, CACogeian Systems, a small web development firm, is based in Visalia, California. Their services include Web Development and Web Design.Read More
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Self-Help Enterprises -
1059$5,000+2 - 9 employeesLincoln, CAEstablished in 2000, Infinite Design & Marketing, a small web design company, is in Lincoln, California. Their team offers Web Design and Custom Software Development.Read More
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1060$1,000+2 - 9 employeesMenifee, CATrapnstudio, a small AI Consulting company, is based in Menifee, California. The team offers AI Consulting and Custom Software Development.Read More
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1061$1,000+50 - 249 employeesCulver City, CAKovel/Fuller is a media planning and buying agency. The Culver City, California-based company was founded in 1999. Their team focuses on Media Planning & Buying and Social Media Marketing.Read More
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1062$5,000+50 - 249 employeesSan Francisco, CAVenables Bell & Partners is a San Francisco, California-based branding company. The team offers Branding and Digital Strategy.Read More
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1063$5,000+50 - 249 employeesAnaheim, CAAxis Technical Group, Inc. Is an IT strategy consulting company founded in 2002. The firm offers IT strategy consulting and CRM consulting and SI.Read More
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1064$10,000+50 - 249 employeesSan Francisco, CABlackstone Technology Group is a San Francisco, California-based IT staff augmentation company. They specialize in IT staff augmentation and IT strategy consulting and were established in 1998.Read More
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1065Undisclosed50 - 249 employeesTracy, CASri Sys Inc., a big data analytics company, was established in 2005. They specializes in BI & big data consulting & SI and cloud consulting & SI.Read More
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1066Undisclosed50 - 249 employeesFremont, CADew Software is an IT strategy consulting company founded in 1997. Their team offers IT strategy consulting and BI & big data consulting & SI.Read More
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1067$10,000+10 - 49 employeesGlendale, CARead More
Founded in 2006, Digilite is a web design and e-commerce development company. Their small team is based in Markham, Canada. They also provide branding, graphic design, digital strategy, and mobile application development services.
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Browne GroupIndustries
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1068$50,000+250 - 999 employeesMountain View, CAVentureDive is a midsize software development firm. The Mountain View, California-based agency was established in 2012. Their services include Custom Software Development, Mobile App Development, CRM consulting and SI, Application Testing, and more.Read More
Clients
CareemIndustries
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1069$25,000+50 - 249 employeesMenlo Park, CARead More
Custom software development company Cambria Corporation was founded in 1984. The firm provides custom software development, mobile app development, web design, and web development and has a small team. The firm is headquartered in Menlo Park, California and Makati, Philippines.
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1070$1,000+2 - 9 employeesSan Francisco, CALaunched in 2015, CoreTeam.io is a software development company. Their services include Custom Software Development and Web Development.Read More
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1071Undisclosed10 - 49 employeesSan Jose, CARightapp4u is a Content Marketing company. Their small team of employees is in San Jose, California. Their team offers Content Marketing and Search Engine Optimization.Read More
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1072$1,000+Freelancer employeesLong Beach, CASmall SEO company ITECH AGENCY, is headquartered in Long Beach, California. Their services include Search Engine Optimization and Video Production.Read More
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1073$5,000+Freelancer employeesRiverside, CASolac Labs, a website development company, was established in 2025. They provides Web Development and Mobile App Development.Read More
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1074$1,000+Freelancer employeesHayward, CALeon Builds is a web development firm. The small Hayward, California-based team specializes in Web Development and Mobile App Development. The agency was established in 2023.Read More
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1075Undisclosed50 - 249 employeesFremont, CASPIN Strategy is an Email Marketing company established in 2014. The company focuses on Email Marketing and Pay Per Click, and is midsize.Read More
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1076$1,000+10 - 49 employeesSan Mateo, CARead More
Digicorns Technologies, a UX agency, is based in San Mateo, California and Noida, India. The firm offers ux/ui design, social media marketing, search engine optimization, pay per click, and more and has a small team.The firm was established in 2019.
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1077$1,000+10 - 49 employeesIrvine, CAEstablished in 2014, Rebel Design Solution, a small SEO company, is in Irvine, California. Their team provides Search Engine Optimization and Web Design.Read More
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1078Undisclosed10 - 49 employeesPasadena, CAWeb design agency Upgrade Consulting focuses on Web Design and UX/UI Design. They were launched in 2023.Read More
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1079$10,000+2 - 9 employeesGlendale, CAAgile Clouders, Inc. Is a Glendale, California-based custom software development firm. The small team provides Custom Software Development, UX/UI Design, Mobile App Development, Product Design, and more and was launched in 2011.Read More
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1080$25,000+50 - 249 employeesMountain View, CACloseloop Technologies LLC is a software development company. Their midsize team is headquartered in Mountain View, California; Sahibzada Ajit Singh Nagar, India and Jaipur, India and focuses on Custom Software Development, AI Consulting, CRM consulting and SI, ERP consulting and SI, and more. The agency was founded in 2011.Read More
Clients
Block and Tam AutoTech Consulting Group Motorola Solutions PIC CorporationIndustries
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