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.
Jump to Most Reviewed Companies
List of the Best California Mobile App Development Companies
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721$5,000+250 - 999 employeesAtascadero, CAObjectiva is a midsize app development company. They focus on Mobile App Development and E-Commerce Development and were founded in 2001.Read More
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722Undisclosed250 - 999 employeesWalnut Creek, CAMidsize custom software development firm Trueforce, Inc., is in Walnut Creek, California. The team specializes in Custom Software Development and Artificial Intelligence.Read More
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723Undisclosed250 - 999 employeesNewark, CATA Digital is a web development company. In Newark, California, the team offers Web Development and Mobile App Development.Read More
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724Undisclosed250 - 999 employeesAlamo, CAArganoaMind, a CRM consulting and SI company, is headquartered in Alamo, California. Their services include CRM consulting and SI and Mobile App Development.Read More
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725Undisclosed250 - 999 employeesDublin, CAAlcor Solutions, Inc., an IT strategy consulting company, was established in 2008. The midsize team offers IT strategy consulting and cloud consulting & SI.Read More
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726$5,000+2 - 9 employeesSan Jose, CAFounded in 2015, Bit Riot, a small website development firm, is in San Jose, California. Their services include Web Development and UX/UI Design.Read More
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727$1,000+50 - 249 employeesLos Angeles, CAMagnopus is a video production agency. In Los Angeles, California, the agency was established in 2013. Their services include Video Production and AR/VR development.Read More
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728Undisclosed2 - 9 employeesFresno, CAHeadquartered in Fresno, California, Social Spark is a small Advertising company. The team specializes in Advertising and Branding.Read More
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729Undisclosed2 - 9 employeesSan Diego, CAHurrikan Logic is a small SEO company launched in 2013. Their services include Search Engine Optimization and UX/UI Design.Read More
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730Undisclosed2 - 9 employeesWalnut Creek, CATEEDUP, an Email Marketing company, was launched in 2018. The team offers Email Marketing and Digital Strategy and is headquartered in Walnut Creek, California.Read More
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731$1,000+2 - 9 employeesLos Angeles, CAMacrolabs is a small user experience company. They focus on UX/UI Design and Web Development and were established in 2018.Read More
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732$1,000+2 - 9 employeesSan Diego, CAWeb development firm Astra.Dev is in San Diego, California. They provide Web Development and Social Media Marketing and were established in 2017.Read More
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733$1,000+50 - 249 employeesSacramento, CAKey For Coders, a website development firm, was founded in 2015. The team offers Web Development and Social Media Marketing and is in Sacramento, California.Read More
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734$10,000+50 - 249 employeesSan Jose, CADigital Strategy company Cali Web Studios offers Digital Strategy and Social Media Marketing. They were established in 2022.Read More
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735Undisclosed50 - 249 employeesPasadena, CAHeadquartered in Pasadena, California, Custom Web Online is a SEO agency. Their services include Search Engine Optimization and Web Design.Read More
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736$5,000+50 - 249 employeesFresno, CAHeadquartered in Fresno, California, Nova Design Agency is a social media marketing company. They provide Social Media Marketing and Email Marketing.Read More
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737$5,000+50 - 249 employeesFremont, CALogo Design Sharks is an Other Marketing company based in Fremont, California and Fremont, California. They focus on Other Marketing and Branding.Read More
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738$1,000+50 - 249 employeesLos Angeles, CAWeb design company Branded Web Designers provides Web Design and Web Development. They were launched in 2015.Read More
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739$5,000+50 - 249 employeesSan Diego, CAFounded in 2022, Blocklead Venture Studio is a midsize San Diego, California-based Blockchain company. Their services include Blockchain and Business Consulting.Read More
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740$10,000+2 - 9 employeesSan Diego, CAIntegral Stack is a custom software development firm. Based in San Diego, California, their team offers Custom Software Development and Web Development.Read More
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741Undisclosed50 - 249 employeesSan Jose, CADesign Experts Inc is a branding firm based in San Jose, California. The team offers Branding and Custom Software Development.Read More
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742$1,000+50 - 249 employeesOakland, CABranding company Pace Digitals offers Branding and Social Media Marketing. They were launched in 2016.Read More
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743$25,000+50 - 249 employeesBeverly Hills, CASoftware development company AIM Tech AI was founded in 1999. The midsize Beverly Hills, California-based team offers custom software development, web development, mobile app development, and application testing.Read More
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744Undisclosed1,000 - 9,999 employeesSanta Clara, CAApexon is a big data company. They are located in Santa Clara, California and have large team. Their services include BI & big data consulting & SI and IT managed services.Read More
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745Undisclosed1,000 - 9,999 employeesFolsom, CAAgreeYa Solutions is a web design company. The team offers Web Design and UX/UI Design and is in Folsom, California.Read More
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746$1,000+50 - 249 employeesLos Angeles, CAUSA Web Design Experts is a midsize Los Angeles, California-based e-commerce development firm. The team specializes in E-Commerce Development and Ecommerce Marketing.Read More
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747Undisclosed10,000+ employeesBurbank, CAHeadquartered in Carmanhall And Leopardstown, Ireland and Burbank, California, Keywords Studios is a large video production agency. The team provides Video Production and Mobile App Development.Read More
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748$25,000+2 - 9 employeesCypress, CASolutionsOne is a small web development firm located in Cypress, California. Their services include Web Development and Other Application Development.Read More
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749Undisclosed2 - 9 employeesVentura, CASWANTECH is a software development firm. Founded in 2024, the firm is headquartered in Ventura, California. Their team specializes in Custom Software Development and Web Development.Read More
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750$1,000+2 - 9 employeesPalo Alto, CAIn Palo Alto, California, Pylon Dev is a custom software development company. Established in 2024, the team offers Custom Software Development and Artificial Intelligence.Read More
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