Top 100 Mobile App Developers in California
The Best of August 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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991Undisclosed10 - 49 employeesPleasanton, CAXTENDLY is a web development company. The team is headquartered in Pleasanton, California, and their services include Web Development and Mobile App Development.Read More
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992Undisclosed50 - 249 employeesDublin, CAUser experience company Canvendor is based in Dublin, California and Chennai, India. The team provides UX/UI Design and IT strategy consulting.Read More
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993$25,000+50 - 249 employeesSan Francisco, CARead More
UX design agency webkeyz is headquartered in San Francisco, California and Cairo, Egypt. The small agency was established in 2009. Their services include ux/ui design, product design, and branding.
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MicrosoftIndustries
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994$1,000+10 - 49 employeesSanta Ana, CAVibgyorweb Technologies Pvt Ltd is a social media marketing firm established in 2020. Their services include Social Media Marketing and Search Engine Optimization.Read More
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995$1,000+10 - 49 employeesDublin, CAOpal Infotech INC is a SEO company. They are based in Dublin, California. Their team provides Search Engine Optimization and Pay Per Click.Read More
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996Undisclosed2 - 9 employeesLos Angeles, CAFrothlogic, a software development firm, offers Custom Software Development and Mobile App Development. The firm is located in Los Angeles, California.Read More
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997$10,000+10 - 49 employeesWestminster, CASoftware development firm MLTech Soft was launched in 2020. Their small team is located in Ho Chi Minh City, Vietnam; Singapore, Singapore and Westminster, California and focuses on Custom Software Development, IT managed services, Artificial Intelligence, Enterprise App Modernization, and more.Read More
Clients
PSA Marine Private Limited Unilever Vietnam International Company Limited Lof International Dairy Products Joint Stock Company Yen Viet Joint Stock CompanyIndustries
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998$1,000+250 - 999 employeesSan Jose, CAFounded in 2015, InfoStride is an app development company. The firm focuses on Mobile App Development, Web Development, Web Design, Custom Software Development, and more and has a midsize team.Read More
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999$10,000+50 - 249 employeesSunnyvale, CAIT strategy consulting company TransformHub was established in 2019. The team specializes in IT strategy consulting and UX/UI Design and is based in Singapore, Singapore and Sunnyvale, California.Read More
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1000$25,000+10 - 49 employeesSan Clemente, CAAdapt360, a software development company, offers Custom Software Development and Web Development. The company is in San Clemente, California.Read More
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1001Undisclosed10 - 49 employeesCulver City, CAFounded in 2014, TRINE is a small Event Marketing company. Their team provides Event Marketing and Web Development.Read More
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1002Undisclosed10 - 49 employeesSan Francisco, CAWebloon Studio is a San Francisco, California-based web design agency. Their services include Web Design and Mobile App Development.Read More
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1003Undisclosed10 - 49 employeesCorona, CASunztech Intl, a web design company, is located in Corona, California. Their services include Web Design and UX/UI Design.Read More
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1004$10,000+2 - 9 employeesRowland Heights, CAClockCode, a software development company, is based in Rowland Heights, California. Their services include Custom Software Development and Web Development.Read More
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1005$25,000+50 - 249 employeesSan Francisco, CASudolabs is an AI firm in Košice, Slovakia; San Francisco, California; San Francisco, California and West Hollywood, California. They offer Artificial Intelligence, AI Consulting, UX/UI Design, IT strategy consulting, and more and were founded in 2017.Read More
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The Expert (https://www.theexpert.com/)Industries
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1006$1,000+10 - 49 employeesLos Angeles, CAMoonDive LLC, a software development company, was established in 2022. The small team focuses on Custom Software Development and AI Agents.Read More
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Gustavo Apiti Mores SuperArea.aiIndustries
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1007$100,000+250 - 999 employeesSan Jose, CASP Software (P) Limited, a software development firm, is headquartered in Hyderabad, India and San Jose, California. The team specializes in Custom Software Development and Artificial Intelligence.Read More
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1008$10,000+50 - 249 employeesWalnut Creek, CASoftware development company Creativa Studios is in Walnut Creek, California and San Salvador, El Salvador. They specialize in Custom Software Development, Web Development, Mobile App Development, Application Testing, and more and were founded in 2003.Read More
Clients
Mitratech Inc.Industries
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1009$5,000+2 - 9 employeesSan Jose, CAMunsonDesign, an app development firm, is headquartered in San Jose, California. Their services include Mobile App Development and Web Design.Read More
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1010$1,000+250 - 999 employeesWalnut Creek, CACGVAK Software & Exports Ltd is a custom software development firm in Coimbatore, India and Walnut Creek, California. Their services include Custom Software Development and Mobile App Development.Read More
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1011$1,000+10 - 49 employeesOakland, CAIn Mohali, India and Oakland, California, Futurista Soft Private Limited is a SEO services firm. They specialize in Search Engine Optimization and UX/UI Design.Read More
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1012$25,000+10 - 49 employeesNewport Beach, CARead More
Custom software development company Calder Solutions was launched in 2013. The small team offers Custom Software Development, Mobile App Development, UX/UI Design, IT strategy consulting, and more. The company is in Ada, Michigan and Newport Beach, California.
Clients
AmwayIndustries
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1013$5,000+10 - 49 employeesPalo Alto, CARead More
Tessafold LLC is an application development company located in Palo Alto, California; Berlin, Germany; Jeddah, Saudi Arabia and Ciudad de México, Mexico. Founded in 2017, the small team specializes in Mobile App Development, Artificial Intelligence, UX/UI Design, cloud consulting & SI, and more.
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1014$10,000+10 - 49 employeesFremont, CAIn Fremont, California, Copper Ants is a small Mobile & App Marketing company. The team provides Mobile & App Marketing and Social Media Marketing.Read More
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1015Undisclosed10 - 49 employeesLos Angeles, CAIn Los Angeles, California, Buildify is a small branding company. Their services include Branding and Social Media Marketing.Read More
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1016$25,000+10 - 49 employeesLos Angeles, CAVartheta, a web development firm, is in New York, New York and Houston, Texas. The team provides Web Development and Digital Strategy.Read More
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1017$10,000+10 - 49 employeesLos Angeles, CANew Media Agency, a web design company, was established in 2008. They specializes in Web Design and Branding.Read More
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1018$25,000+250 - 999 employeesManhattan Beach, CADistillery, a custom software development firm, was established in 2012. The agency specializes in Custom Software Development, Web Development, Mobile App Development, IT staff augmentation, and more and has a midsize team. The agency is based in Manhattan Beach, California; Córdoba, Argentina; Ciudad de México, Mexico and C1429BNS, Argentina.Read More
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ebayIndustries
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1019$10,000+10 - 49 employeesSan Diego, CAIn San Diego, California, MJD Interactive is a web design agency. They offer Web Design and UX/UI Design.Read More
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1020$5,000+10 - 49 employeesJurupa Valley, CAMovya is a web development firm established in 2021. The small Ahmedabad, India-based team provides Web Development, Application Testing, UX/UI Design, Mobile App Development, and more.Read More
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