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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1201Undisclosed2 - 9 employeesLaguna Hills, CAM.O.V.E. UP Marketing Group is an application development company. Located in Laguna Hills, California, the firm focuses on Mobile App Development and Social Media Marketing.Read More
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1202$10,000+50 - 249 employeesLos Angeles, CAPingle Studio is a mobile app development firm established in 2007. Their services include Mobile App Development and Custom Software Development.Read More
Industries
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1203Undisclosed10 - 49 employeesVentura, CALENCOP TECHNOLOGIES PRIVATE LIMITED is a web development company based in Kolkata, India and Ventura, California. The team offers Web Development and Digital Strategy.Read More
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1204$5,000+50 - 249 employeesWest Hollywood, CANuvem Group is a cloud consulting & SI company founded in 2015. Headquartered in Miami, Florida and London, England, the team focuses on cloud consulting & SI and Custom Software Development.Read More
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1205$25,000+250 - 999 employeesNewark, CAArgusoft is a software development firm. They offer Custom Software Development, Mobile App Development, Web Development, Enterprise App Modernization, and more and were established in 2001. Their midsize team is based in Newark, California and Gandhinagar, India.Read More
Clients
World Health Organization (WHO)Industries
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1206$5,000+10 - 49 employeesGlendora, CAE-commerce development company Apex Global Solutions is based in Glendora, California. The team provides E-Commerce Development and Graphic Design.Read More
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1207$10,000+10 - 49 employeesFremont, CAFounded in 2012, The Awesome Game Studio is an AR/VR development company. Their team offers AR/VR development and Custom Software Development.Read More
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1208Undisclosed10 - 49 employeesSan Francisco, CAThe Digital Branding is a branding agency established in 2012. Their team offers Branding and Digital Strategy.Read More
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1209Undisclosed10 - 49 employeesSan Luis Obispo, CACentral Coast Digital Design is an Advertising company. The small San Luis Obispo, California-based team offers Advertising and Branding. The agency was founded in 2012.Read More
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1210$10,000+250 - 999 employeesCarlsbad, CAA3Logics Inc. Is a midsize IT strategy consulting company. Founded in 2003, the firm is located in Carlsbad, California; Jaipur, India and Singapore, Singapore. Their services include IT strategy consulting, Custom Software Development, Mobile App Development, IT managed services, and more.Read More
Clients
AVATAR FloridaIndustries
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1211$50,000+50 - 249 employeesCulver City, CARead More
Tech Fabric is an IT services company based in Gilbert, Ariz. Founded in 2017, this company has 28 employees. Services offered by Tech Fabric include e-commerce, custom software development, cloud development, UI/UX design, and mobile app development.
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K&L Wine MerchantsIndustries
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1212$5,000+50 - 249 employeesSanta Rosa, CARead More
GeneXus Consulting is corporate software development company based in Montevideo, Uruguay, with an additional location in Santa Rosa, Calif. Founded in 1988, the team of nearly 110 provides web, mobile app, and custom software development, enterprise app modernization, and application testing services.
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BPSIndustries
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1213$1,000+250 - 999 employeesSanta Clarita, CARead More
Ojas is an IT services company based in Hyderabad, India, with an office in Valencia, Calif. The company, founded in 2011, has more than 500 employees and provides web development, mobile app development, UX/UI design, IT staff augmentation, and application testing services. Ojas serves small and midmarket companies in various industries that include financial services, IT, and health care & medical.
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Tech MahindraIndustries
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1214$1,000+10 - 49 employeesLaguna Beach, CABlack Core SP.Zo.o.S.k is a small Gdynia, Poland-based big data analytics company. Their services include BI & big data consulting & SI and Digital Strategy.Read More
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1215$10,000+1,000 - 9,999 employeesMenlo Park, CATrantor Inc. Is an app development company launched in 2012. Their large team is located in Menlo Park, California; Chandigarh, India; Vancouver, Canada and Heredia, Costa Rica. Their services include Mobile App Development, Custom Software Development, Web Development, BI & big data consulting & SI, and more.Read More
Clients
GenpactIndustries
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1216$10,000+250 - 999 employeesSan Francisco, CAGeekyAnts is an application development firm established in 2006. The firm provides Mobile App Development, Custom Software Development, Artificial Intelligence, Web Development, and more and has a midsize team.Read More
Clients
Siveco Romania Olive Garden Darden KhataBookIndustries
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1217$5,000+50 - 249 employeesSan Francisco, CABased in Bandung, Indonesia and San Francisco, California, GITS.ID is an AI development company. The midsize agency was founded in 2008. Their team specializes in Artificial Intelligence, Mobile App Development, Custom Software Development, cloud consulting & SI, and more.Read More
Industries
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1218$5,000+10 - 49 employeesMilpitas, CAZonic Digital Inc. Is a web design company. Based in Milpitas, California and Vadodara, India, the company focuses on Web Design and Web Development.Read More
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1219$10,000+50 - 249 employeesCupertino, CAHikesiya USA Inc. Is a midsize custom software development company launched in 2001. Their services include Custom Software Development and ERP consulting and SI.Read More
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1220$25,000+1,000 - 9,999 employeesLos Angeles, CAArtificial intelligence firm Simform was launched in 2010. They are headquartered in Orlando, Florida; Los Angeles, California; Chicago, Illinois and San Francisco, California and have a large team. Simform focuses on Artificial Intelligence, cloud consulting & SI, CRM consulting and SI, ERP consulting and SI, and more.Read More
Clients
RedbullIndustries
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1221$1,000+50 - 249 employeesSan Francisco, CAEstablished in 2023, Premium Designs Studio is a web design agency. The team provides Web Design and Logo and is based in London, England and San Francisco, California.Read More
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1222$25,000+50 - 249 employeesAgoura Hills, CATechAhead is a midsize application development company based in Agoura Hills, California; Noida, India and Dubai, United Arab Emirates. They focus on Mobile App Development, Enterprise App Modernization, Artificial Intelligence, and Custom Software Development and were launched in 2009.Read More
Clients
AXA University of Toronto Audi American ExpressIndustries
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1223Undisclosed250 - 999 employeesSan Diego, CAArtificial intelligence company Integrant, Inc. Is located in San Diego, California. They focus on Artificial Intelligence and Application Testing and were established in 1992.Read More
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1224Undisclosed10 - 49 employeesLos Angeles, CAIT staff augmentation company FACTn Software is located in Nugegoda, Sri Lanka and Los Angeles, California. They specialize in IT staff augmentation and AI Agents.Read More
Clients
Sensio Laudi Endely MyDriveIndustries
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1225Undisclosed50 - 249 employeesSan Francisco, CATivix, Inc. Is a midsize web development company located in San Francisco, California and PERYDOT, Poland. Their services include Web Development and Mobile App Development.Read More
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1226$10,000+50 - 249 employeesSan Francisco, CAFusion Informatics Limited is an artificial intelligence company. The midsize team is located in Ahmedabad, India; Bengaluru, India; San Francisco, California and Dubai, United Arab Emirates. Their services include Artificial Intelligence, Custom Software Development, Web Development, Mobile App Development, and more.Read More
Clients
BoschIndustries
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1227$5,000+2 - 9 employeesSan Francisco, CADon Web Solutions, an e-commerce development firm, is headquartered in San Francisco, California. They provide E-Commerce Development and Graphic Design.Read More
Industries
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1228$5,000+2 - 9 employeesSan Diego, CASmall Digital Strategy company Sma2z, is headquartered in San Diego, California. Their services include Digital Strategy and Graphic Design.Read More
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1229$5,000+2 - 9 employeesPasadena, CAFounded in 1998, Arroyo Design, a small web development company, is located in Pasadena, California. Their services include Web Development and Web Design.Read More
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1230$5,000+2 - 9 employeesSanta Rosa, CAGraphicSmith is a SEO company based in Santa Rosa, California. Founded in 1983, the team offers Search Engine Optimization and Web Design.Read More
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