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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1081$5,000+10 - 49 employeesClovis, CADigital Attic is a web design agency. Launched in 1992, the firm provides Web Design and Branding.Read More
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1082$10,000+10 - 49 employeesMission Viejo, CARead More
ConsultingWhiz is an app and software development agency located in Mission Viejo, Calif. Founded in 2016, it has more than 25 employees who specialize in mobile app development, custom software development, and AI. They mainly serve enterprise and midmarket clients in industries such as financial services, health care & medical, and energy & natural resources.
Clients
HyundaiIndustries
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1083Undisclosed10 - 49 employeesSan Diego, CANOYO Web Development, a SEO company, is in San Diego, California. They focus on Search Engine Optimization and Web Design and were established in 2007.Read More
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1084Undisclosed10 - 49 employeesUnion City, CAClatter Chatter Inc is a social media marketing agency established in 2013. Their services include Social Media Marketing and Pay Per Click.Read More
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1085Undisclosed10 - 49 employeesVista, CACMG Creative, a web development company, was launched in 1996. The company specializes in Web Development and Graphic Design.Read More
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1086Undisclosed10 - 49 employeesWest Covina, CAZero Six Media is a custom software development firm. Based in West Covina, California, the agency was launched in 2008. Their services include Custom Software Development and Web Design.Read More
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1087Undisclosed10 - 49 employeesWalnut Creek, CASmall social media marketing firm WebGrit, is based in Walnut Creek, California. The team provides Social Media Marketing and Content Marketing.Read More
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1088Undisclosed10 - 49 employeesLake Forest, CASuper Toy Box is a small AR/VR development company founded in 2015. Their services include AR/VR development and Advertising.Read More
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1089Undisclosed10 - 49 employeesIrvine, CAAbelian is a CRM consulting and SI company established in 2017. Headquartered in Irvine, California, the team specializes in CRM consulting and SI and Mobile App Development.Read More
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1090Undisclosed10 - 49 employeesIrvine, CAEstablished in 2003, Solution21, Inc. Is a social media marketing firm. The team provides Social Media Marketing and Content Marketing.Read More
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1091Undisclosed10 - 49 employeesFresno, CAMertech Data Systems, Inc. Is a small custom software development firm based in Pembroke Pines, Florida and Fresno, California. The team offers Custom Software Development and cloud consulting & SI.Read More
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1092Undisclosed10 - 49 employeesSan Diego, CAAdvantu is an Application Testing company. Their small team of employees is based in San Diego, California. Their team offers Application Testing and Custom Software Development.Read More
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1093Undisclosed10 - 49 employeesPleasanton, CAHeadquartered in Pleasanton, California and Vadodara, India, Exaqode is a small UX design agency. The team focuses on UX/UI Design and IT strategy consulting.Read More
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1094Undisclosed10 - 49 employeesSan Ramon, CACidersoft is a web design company. The San Ramon, California-based team provides Web Design and UX/UI Design.Read More
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1095Undisclosed10 - 49 employeesLos Angeles, CAAutomatedView Technologies is a Los Angeles, California-based Digital Strategy company. Their services include Digital Strategy and BI & big data consulting & SI.Read More
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1096$25,000+50 - 249 employeesCosta Mesa, CARead More
Squash Apps is a software development company founded in 2015 and headquartered in Coimbatore, India. It has a team of about 20. Squash Apps works on mobile app development, custom software development, web development, and more for small businesses.
Clients
DoodlioIndustries
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1097$10,000+2 - 9 employeesSan Diego, CAEstablished in 2023, Life Tree Studio is a small San Diego, California-based software development company. Their services include Custom Software Development and Web Development.Read More
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1098$5,000+10 - 49 employeesHUNTINGTN BCH, CAWEBZINO TECHNOLOGIES PVT LTD is a mobile application development firm located in Mumbai, India and Delhi, India. The team specializes in Mobile App Development and E-Commerce Development.Read More
Industries
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1099$5,000+50 - 249 employeesDublin, CAPipra Solutions is a cloud consulting & SI company. They were established in 2017, and their services include cloud consulting & SI and Mobile App Development.Read More
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1100Undisclosed10 - 49 employeesSan Diego, CASmall user experience agency Pixels Matter, Inc., is located in San Diego, California and Rudne, Ukraine. The team focuses on UX/UI Design and cloud consulting & SI.Read More
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1101$1,000+50 - 249 employeesTracy, CALogix Built Solutions Pvt Ltd is an user experience agency launched in 2017. Their services include UX/UI Design and cloud consulting & SI.Read More
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1102$50,000+250 - 999 employeesMilpitas, CARead More
West Agile Labs is a software development and digital design company. The team is headquartered in San Francisco and has additional offices in Pakistan, Ukraine, and India. Founded in 2012, they currently employ over 120 professionals. West Agile Labs provides custom software development, e-commerce development, and mobile app development services.
Clients
UnationIndustries
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1103$5,000+50 - 249 employeesLos Angeles, CARead More
Differenz System is a development company founded in 2013 and located in Irvine, Calif. They have a team of about 115 individuals who offer mobile app and web development services. Their client base comprises small businesses in the business services, arts, entertainment, and music, health care and medical, and hospitality and leisure industries.
Industries
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1104$5,000+50 - 249 employeesOrange, CALumen21, Inc is a cloud consulting & SI company. Based in Orange, California and Mumbai, India, the firm was launched in 2007. Their team offers cloud consulting & SI and Cybersecurity.Read More
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1105$25,000+10 - 49 employeesSanta Clara, CAProduct Design company Sequoia Applied Technologies was launched in 2016. The company specializes in Product Design and IT strategy consulting.Read More
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1106Undisclosed250 - 999 employeesSanta Clara, CASpanIdea Systems is a business intelligence company. They were launched in 2011, and their services include BI & big data consulting & SI and cloud consulting & SI.Read More
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1107Undisclosed10 - 49 employeesLos Angeles, CALaunched in 2014, META+LAB CA is a web development firm. The small team specializes in Web Development and Mobile App Development.Read More
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1108Undisclosed10 - 49 employeesCosta Mesa, CAWebsite development firm All In Orbit is based in Costa Mesa, California. They offer Web Development and Mobile App Development.Read More
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1109Undisclosed10 - 49 employeesElk Grove, CASyTech Solutions, a software development firm, is based in Elk Grove, California. The team provides Custom Software Development and IT managed services.Read More
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1110$10,000+50 - 249 employeesLos Angeles, CAEdenspiekermann, an user experience company, is headquartered in Amsterdam, Netherlands and Barcelona, Spain. Launched in 2009, the team specializes in UX/UI Design and Graphic Design.Read More
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