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
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901Undisclosed10 - 49 employeesLos Angeles, CATDF is a social media marketing company founded in 2010. Headquartered in Los Angeles, California, the team provides Social Media Marketing and Product Design.Read More
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902Undisclosed10 - 49 employeesSan Francisco, CA729 Solutions is a branding company. Based in San Francisco, California, the firm was established in 2003. Their services include Branding and IT managed services.Read More
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903Undisclosed10 - 49 employeesSan Diego, CAPortal One Team is a Digital Strategy company established in 2016. The agency provides Digital Strategy and Web Design.Read More
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904$1,000+10 - 49 employeesSan Mateo, CABinstellar Technologies Pvt. Ltd., a mobile application development company, was established in 2021. The firm specializes in Mobile App Development, Custom Software Development, ERP consulting and SI, Web Development, and more and has a small team. The firm is based in Ahmedabad, India and San Mateo, California.Read More
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Test RoutesIndustries
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905$75,000+250 - 999 employeesLong Beach, CAAW Solutions is a branding firm. The New York, New York-based company was founded in 2011. Their team offers Branding and Email Marketing.Read More
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906$1,000+10 - 49 employeesSanta Clara, CAArdira is a cloud consulting & SI company. Located in Santa Clara, California and Ahmedabad, India, the firm specializes in cloud consulting & SI and Mobile App Development.Read More
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907$10,000+1,000 - 9,999 employeesSan Francisco, CAEpsilon is a web development company headquartered in San Francisco, California; Palo Alto, California; Irving, Texas and Bengaluru, India. The large team provides Web Development, Mobile App Development, Market Research, Digital Strategy, and more. The agency was launched in 1969.Read More
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California State LotteryIndustries
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908$5,000+2 - 9 employeesSan Diego, CASmartmicros, an app development company, is located in San Diego, California. The team specializes in Mobile App Development and Social Media Marketing.Read More
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909$1,000+10 - 49 employeesFremont, CAFounded in 2015, OneGreenDiary is a small ERP consulting and SI company. Their team focuses on ERP consulting and SI and Web Development.Read More
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910UndisclosedFreelancer employeesSacramento, CAMobile app development company Electric Web is in Sacramento, California. They focus on mobile app development, custom software development, digital strategy, search engine optimization, and more and were launched in 2010.Read More
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911$1,000+50 - 249 employeesSanta Clara, CAWeb design company Hire Frontend Developer India is headquartered in Santa Clara, California and Ahmedabad, India. Their services include Web Design and Web Development.Read More
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912$1,000+50 - 249 employeesCorona, CAAppedology is an application development firm. Established in 2016, the company specializes in Mobile App Development and Web Development.Read More
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The University Network -
913$1,000+10 - 49 employeesSan Francisco, CANaeemic is a small Karachi, Pakistan-based IT strategy consulting company. Their services include IT strategy consulting and Cybersecurity.Read More
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914$5,000+10 - 49 employeesFolsom, CASmall web development company YUAL, Inc., is located in Kharkiv, Ukraine and Folsom, California. They focus on Web Development, Artificial Intelligence, Mobile App Development, Blockchain, and more and were founded in 2019.Read More
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915$10,000+2 - 9 employeesSan Francisco, CAGet It Built is an application development company established in 2017. Their team focuses on Mobile App Development and Web Development.Read More
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916Undisclosed1,000 - 9,999 employeesBrea, CANisum, a large software development company, is in Brea, California and Fremont, California. The team focuses on Custom Software Development and IT strategy consulting.Read More
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GapIndustries
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917$5,000+2 - 9 employeesRiverside, CASevilla Local Media, a mobile application development company, was established in 2010. The team focuses on Mobile App Development and Social Media Marketing.Read More
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918$50,000+250 - 999 employeesBeverly Hills, CALocated in Beverly Hills, California; Buenos Aires, Argentina; Montevideo, Uruguay and Medellín, Colombia, Rootstrap is a software development company. The midsize agency was launched in 2011. Their team provides Custom Software Development, Artificial Intelligence, Web Development, BI & big data consulting & SI, and more.Read More
Clients
MasterClass Google Tony Robbins EmeritusIndustries
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919$10,000+10 - 49 employeesLos Angeles, CALexis Solutions is a software development firm launched in 2017. The firm offers Custom Software Development, Web Development, AI Consulting, Mobile App Development, and more and has a small team. The firm is in Sofia, Bulgaria; Los Angeles, California and Berlin, Germany.Read More
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Onnoplus.com Kreston Bulmar Reviewhero.io Inoreader.comIndustries
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920$25,000+10 - 49 employeesLos Angeles, CAWebsite development firm Nurdsoft focuses on Web Development and Mobile App Development. They are in Los Angeles, California and Gurugram, India.Read More
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921Undisclosed50 - 249 employeesSan Jose, CA360 IT Professionals is a midsize San Jose, California-based CRM consulting and SI company. Their services include CRM consulting and SI and Mobile App Development.Read More
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922$100,000+50 - 249 employeesMarina del Rey, CARead More
Established in 2012, Unique Software Development is a data analytics company. The firm offers BI & big data consulting & SI, Web Development, Custom Software Development, Mobile App Development, and more and has a midsize team. The firm is headquartered in Dallas, Texas; Washington, District of Columbia; New York, New York and Austin, Texas.
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MODE TransportationIndustries
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923$10,000+50 - 249 employeesLos Angeles, CAUX company Phenomenon Studio was launched in 2019. Their midsize team is headquartered in Dover, Delaware; Chicago, Illinois; New York, New York and Los Angeles, California. Phenomenon Studio focuses on UX/UI Design, Web Development, Branding, Web Design, and more.Read More
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Airportr Nomupay One Text ShagaIndustries
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924Undisclosed2 - 9 employeesSan Francisco, CALocated in San Francisco, California, Stimulant is a small mobile app development company. Their services include Mobile App Development and Web Design.Read More
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925$5,000+50 - 249 employeesLos Angeles, CARead More
Tech Reforms is a branding company. They provide branding, web design, ux/ui design, logo, and more and were founded in 2017. The company is headquartered in Los Angeles, California.
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926Undisclosed50 - 249 employeesSan Francisco, CACorona Labs is a San Francisco, California-based application development firm. They provide Mobile App Development and Custom Software Development and were founded in 2008.Read More
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927Undisclosed50 - 249 employeesCupertino, CATrilyon, Inc. Is an user experience agency. The Cupertino, California-based team focuses on UX/UI Design and Artificial Intelligence.Read More
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928Undisclosed50 - 249 employeesCupertino, CAAppPerfect Corp is a custom software development firm. Headquartered in Cupertino, California, their team focuses on Custom Software Development and Robotics Process Automation.Read More
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929Undisclosed2 - 9 employeesLos Angeles, CAMobile App Development Los Angeles is a mobile application development company. They are based in Los Angeles, California and have small team. Their team specializes in Mobile App Development.Read More
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930Undisclosed10 - 49 employeesLos Angeles, CAArProsoft Pvt Ltd is a Los Angeles, California-based mobile application development company. They provide Mobile App Development.Read More
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