Top 100 Mobile App Developers in California
The Best of June 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
-
931$10,000+50 - 249 employeesSan Mateo, CAG360Technologies is a custom software development firm. Established in 2010, the team provides Custom Software Development, Generative AI, Application Testing, Application Management & Support, and more. Their midsize company is located in San Mateo, California and Montevideo, Uruguay.Read More
Industries
-
932$1,000+10 - 49 employeesSan Ramon, CARoundtechsquare is a social media marketing agency. The team specializes in Social Media Marketing and Search Engine Optimization and is based in San Ramon, California and Vadodara, India.Read More
Industries
-
933Undisclosed10 - 49 employeesSan Diego, CAAffinity Design Hub, a marketing strategy company, was founded in 2015. Their small team is based in San Diego, California. Their services include marketing strategy, search engine optimization, graphic design, logo, and more.Read More
Industries
-
934$50,000+2 - 9 employeesSan Francisco, CAKid2Design is an Indianapolis, Indiana-based AI company. They provide Artificial Intelligence and Custom Software Development and were established in 2025.Read More
Industries
-
935$10,000+10 - 49 employeesImperial, CAMonobits is a web development firm headquartered in Mexicali, Mexico and Imperial, California. The team offers Web Development and Mobile App Development.Read More
Industries
-
936$1,000+10 - 49 employeesRedwood City, CARead More
Monster Code Corporation is a software development and web design company that was founded in 2013. They are headquartered in Redwood City, Calif., and have an additional office in Budapest. While Monster Code Corporation serves small and midmarket businesses, most clients are enterprise firms. Services include web design, web development, mobile app development, and e-commerce development.
-
937$1,000+2 - 9 employeesMontebello, CAHeadquartered in Montebello, California, RG Pacific is an e-commerce development firm. They specialize in E-Commerce Development and Mobile App Development and were launched in 2008.Read More
Industries
-
938$5,000+2 - 9 employeesLos Angeles, CAAvital Web is a SEO agency located in Los Angeles, California. They specialize in Search Engine Optimization and Pay Per Click.Read More
-
939Undisclosed2 - 9 employeesSan Diego, CACode Brilliant is a web design agency. The team offers Web Design and UX/UI Design and is based in San Diego, California.Read More
-
940Undisclosed2 - 9 employeesSan Francisco, CANeumatic Digital is a small AR/VR development company. They provide AR/VR development and Branding and were launched in 2006.Read More
-
941Undisclosed2 - 9 employeesSan Francisco, CAWeightshift is a small user experience company based in San Francisco, California. Their services include UX/UI Design and Graphic Design.Read More
-
942Undisclosed2 - 9 employeesBurbank, CAVaylian, a small AR/VR development company, is located in Burbank, California. Their services include AR/VR development and Mobile App Development.Read More
-
943Undisclosed2 - 9 employeesCarlsbad, CAFounded in 2006, Golf Pulp Media is a small Advertising company. Their team offers Advertising and Graphic Design.Read More
-
944Undisclosed2 - 9 employeesIrvine, CADigital Marketing Pros is a branding company. Their small team is in Irvine, California and specializes in Branding and Logo. The firm was launched in 2014.Read More
-
945Undisclosed2 - 9 employeesAnaheim, CAHighrise Elite Marketing, an application development company, specializes in Mobile App Development and Search Engine Optimization. The company is headquartered in Anaheim, California.Read More
-
946Undisclosed2 - 9 employeesAnaheim, CACoaction Consulting, a Product Design company, was established in 2008. The team focuses on Product Design and Mobile App Development.Read More
-
947Undisclosed2 - 9 employeesSan Ramon, CAD-Kode Technology, a web design company, offers Web Design and Web Development. The agency is based in San Ramon, California.Read More
-
948Undisclosed2 - 9 employeesSan Clemente, CAComtek Website Design is a mobile application development company. Their team is in San Clemente, California and offers Mobile App Development and Web Design.Read More
-
949Undisclosed2 - 9 employeesLos Angeles, CAUX design company HammockWeb is based in Los Angeles, California. They provide UX/UI Design and E-Commerce Development.Read More
-
950Undisclosed2 - 9 employeesMcClellan Park, CAEstablished in 2000, Granite Data Solutions is an IT managed services company. The small team offers IT managed services and Air Freight.Read More
-
951Undisclosed2 - 9 employeesEl Segundo, CATechEmpower is a small Content Marketing company. Founded in 1997, the team focuses on Content Marketing and E-Commerce Development.Read More
-
952Undisclosed2 - 9 employeesLos Angeles, CAFLARB is an AR/VR development company. Launched in 2001, the agency offers AR/VR development and Mobile App Development.Read More
-
953Undisclosed2 - 9 employeesTorrance, CAPiladya is an application development company founded in 2021. The team offers Mobile App Development and Blockchain.Read More
-
954Undisclosed2 - 9 employeesSan Francisco, CALaunched in 2012, Netronian Inc. Is a website development firm. Located in Miami, Florida and New York, New York, the team specializes in Web Development and Mobile App Development.Read More
-
955Undisclosed2 - 9 employeesLos Gatos, CASmall user experience agency Aionis, is located in Los Gatos, California. Their services include UX/UI Design and Custom Software Development.Read More
-
956Undisclosed2 - 9 employeesMilpitas, CACygne Noir Cyber, LLC, a Cybersecurity company, was established in 2023. The team specializes in Cybersecurity and IT managed services.Read More
Industries
-
957Undisclosed2 - 9 employeesSan Francisco, CACodepilot, Inc. Is a web design company launched in 2017. Their services include Web Design and Web Development.Read More
-
958Undisclosed2 - 9 employeesStockton, CAInteract Media Group is an Affiliate Marketing company established in 2022. The team offers Affiliate Marketing and Search Engine Optimization and is based in Stockton, California.Read More
-
959Undisclosed2 - 9 employeesIrvine, CASmall Cybersecurity company Promenade Software, is based in Irvine, California. The team offers Cybersecurity and cloud consulting & SI.Read More
-
960$5,000+50 - 249 employeesDublin, CASoftware Developement is a midsize cloud consulting & SI company. In Noida, India, the agency was launched in 2021. Their team provides cloud consulting & SI, IT staff augmentation, custom software development, AR/VR development, and more.Read More
Industries
Get connected with a company for free
Tell us about your project, and we'll match you with vetted companies that meet your requirements.
Get connected with the right company for you
We'll do the work for you – finding and connecting you with service providers that meet your exact requirements.
Schedule ConsultationMost Reviewed App Development Company in California
Check out an App Development Company in California with the most new reviews in the past 12 months.
App Development Company
California
- 11 9 new reviews
- 12 9 new reviews
- 13 8 new reviews
- 14 7 new reviews
- 15 7 new reviews
