Top 100 Mobile App Developers in California
The Best of May 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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31$25,000+10 - 49 employeesVista, CAFounded in 2005, The Smyth Group is an UX design agency. The small team focuses on UX/UI Design, Custom Software Development, Web Development, Mobile App Development, and more. The agency is headquartered in Vista, California; New York, New York and Scottsdale, Arizona.Read More
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Columbia SportswearIndustries
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32$25,000+10 - 49 employeesLos Angeles, CAEstablished in 2019, Frenchy Digital LLC is an application development company. Located in Los Angeles, California; Genève, Switzerland; Hydra, Algeria and Publier, France, their small team provides Mobile App Development, Web Development, and Artificial Intelligence.Read More
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iGlow Med SpaIndustries
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33$5,000+50 - 249 employeesAltadena, CAEbizON Digital is an e-commerce development firm based in Altadena, California and Noida, India. The midsize firm was launched in 2007. Their services include E-Commerce Development, Custom Software Development, Mobile App Development, and Web Development.Read More
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34$25,000+10 - 49 employeesIrvine, CABaytech Consulting is a custom software development company based in Irvine, California. They focus on Custom Software Development, Web Development, Mobile App Development, Artificial Intelligence, and more and were launched in 2007.Read More
Clients
Petra Medical CollegeIndustries
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35$50,000+10 - 49 employeesIrvine, CARead More
MEDL Mobile is a mobile and wearable app developer established in 2008 and based in Fountain Valley, CA. The 10+ staff is comprised of veteran strategists, serial entrepreneurs, and big idea enthusiasts who share a love for code.
Clients
Toyota Disney Hyundai DreamscapeIndustries
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36$10,000+50 - 249 employeesSan Francisco, CARead More
AirDev is a San Francisco based software development company. They were founded in 2015 and have a team of 11 employees who specialize in the custom software, web, mobile app development.
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HPIndustries
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37$25,000+250 - 999 employeesPalo Alto, CARead More
Reinvently is a mobile strategy and app development agency in Palo Alto, Calif. and Dallas. With a team of about 43 employees, the agency specializes in UI/UX design, research and consulting, and engineering.
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Men's WearhouseIndustries
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38$5,000+50 - 249 employeesSan Francisco, CARead More
Siddhi Infosoft is a web and mobile app development company based in San Francisco, with a secondary location in Ahmedabad, India. Siddhi Infosoft was founded in 2011 and has 25 employees. Services offered by this company include mobile app development and web development for companing ranging from startups to Fortune 500 brands.
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DizzyDoctorIndustries
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39$50,000+10 - 49 employeesLong Beach, CARead More
Established in 2001, JLOOP is a mobile application development firm. Their small team is based in Long Beach, California and , . Their team focuses on mobile app development, web development, and video production.
Clients
IBMIndustries
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40$10,000+10 - 49 employeesEncinitas, CARead More
ADC App Design Company is a software development company that was founded in 2010. Based in Encinitas, Calif., ADC App Design Company's team of 5 employees specialize in mobile app and web development.
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Domino's Tracker App 12 million downloads -
41$5,000+10 - 49 employeesSan Diego, CARead More
GenAI.Labs USA, an AI development company, is located in San Diego, California. The small agency was launched in 2015. Their team focuses on Artificial Intelligence, Generative AI, Web Development, Mobile App Development, and more.
Clients
ServiceNow UCLA Google GucciIndustries
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42$50,000+10 - 49 employeesCalabasas, CAAJProTech is a Calabasas, California-based Product Design company. The small firm was launched in 2014. Their services include Product Design, IoT development, Mobile App Development, and AR/VR development.Read More
Clients
USPS Exxon Mobile Huupe Sound OasisIndustries
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43$1,000+2 - 9 employeesLos Angeles, CASunlight Media LLC, a Market Research company, is located in Los Angeles, California and Santa Monica, California. The small agency was established in 2011. Their services include Market Research, IT managed services, Web Development, Mobile App Development, and more.Read More
Clients
Gary Numan MSA Agency L.A County Atlantic RecordsIndustries
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44$10,000+50 - 249 employeesSan Luis Obispo, CARead More
Hathway is a mobile app development company that was founded in 2007. They are headquartered in Obispo, Canada and are currently made up of 240 employees. The company specializes in mobile app development, custom software design, and web design and work primarily with large enterprises and midmarket sized firms.
Clients
Applied MaterialsIndustries
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45$10,000+50 - 249 employeesSan Francisco, CARead More
Founded in 2012, SF AppWorks is a digital agency that produces innovative technologies for mainly midmarket companies. Based in San Francisco, their team of 50+ specializes in web development, mobile app development, UX/UI design, and custom software development.
Clients
West ElmIndustries
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46$10,000+10 - 49 employeesLos Angeles, CARead More
Sunrise Integration is a software development firm. They are located in Los Angeles, California and have a small team. Their team provides custom software development, web development, mobile app development, e-commerce development, and more.
Clients
Live Nation Ferrari Rakuten MarvelIndustries
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47$25,000+10 - 49 employeesLos Angeles, CAMobile app development company MetaCTO was founded in 2022. The company provides Mobile App Development, UX/UI Design, Web Development, Business Consulting, and more and has a small team. The company is based in Los Angeles, California.Read More
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48$50,000+10 - 49 employeesPasadena, CASerious Development is a small software development company founded in 2012. Their services include Custom Software Development, Mobile App Development, BI & big data consulting & SI, and Artificial Intelligence. The company is in Pasadena, California and Houston, Texas.Read More
Clients
Imperial Health CSD MedPoint Global 1Industries
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49$5,000+50 - 249 employeesDublin, CAPravaah Consulting Inc is a Dublin, California-based AI development company. The midsize team specializes in Artificial Intelligence, Custom Software Development, Mobile App Development, E-Commerce Development, and more. The firm was launched in 2019.Read More
Industries
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50$1,000+50 - 249 employeesSan Jose, CARead More
Gummicube, Inc., a Mobile & App Marketing company, was launched in 2010. They are based in San Jose, California and have a midsize team. Gummicube, Inc. Specializes in Mobile & App Marketing, Mobile App Development, and Digital Strategy.
Industries
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51$25,000+10 - 49 employeesFremont, CARead More
Founded in 2011, EIGHT25MOBILE is a web design firm based in Fremont, Calif. With a small team of fewer than 5 employees, EIGHT25MOBILE specializes in web design, web development, and digital strategy.The client appreciated EIGHT25MOBILE's flexibility and ability to deliver a customized website.
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Chamba -
52$25,000+10 - 49 employeesLos Angeles, CAWANDR is an user experience agency. Their small team is based in Los Angeles, California. The company focuses on UX/UI Design, Branding, AI Consulting, Web Development, and more. The company was founded in 2016.Read More
Clients
U.S. Air Force WWF Cinépolis GEIndustries
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53$10,000+50 - 249 employeesLos Angeles, CARead More
DevTeam.Space is a development agency that was founded in 2015 and is based in Los Angeles. Their team of 8 specialize in web development and mobile app development for small businesses; these clients primarily reside in the advertising, business services, and consumer product industries.
Clients
AirbusIndustries
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54$25,000+10 - 49 employeesIrvine, CAWebsite development firm Idea Maker is based in Irvine, California and Irvine, California. The small team specializes in Web Development, Mobile App Development, Artificial Intelligence, Custom Software Development, and more and was established in 2016.Read More
Industries
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55$10,000+50 - 249 employeesSan Jose, CABeehive Software is a software development company. Founded in 2021, the midsize company is based in San Jose, California and Herzliya, Israel. Their services include Custom Software Development, Web Development, Mobile App Development, Artificial Intelligence, and more.Read More
Industries
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56$10,000+50 - 249 employeesSan Francisco, CAScaleTech Solutions, a custom software development company, was launched in 2017. The agency focuses on Custom Software Development, IT managed services, Mobile App Development, E-Commerce Development, and more and has a midsize team. The agency is in San Francisco, California; Frankfurt am Main, Germany and Ahmedabad, India.Read More
Industries
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57$50,000+10 - 49 employeesLos Angeles, CAMaterialize Labs is a Los Angeles, California-based business intelligence company. They specialize in BI & big data consulting & SI, Custom Software Development, Web Development, Mobile App Development, and more and were founded in 2018.Read More
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58$25,000+50 - 249 employeesSan Francisco, CARead More
Grio is a software consulting firm based in San Francisco, Calif, that was established in 2008. Their team of 50 employees offers web development, mobile app development, and UX/UI design services.
Industries
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59$10,000+10 - 49 employeesSanta Monica, CARead More
Fullsend Solutions Inc. Is a web development company. They offer web development, mobile app development, and ux/ui design and were established in 2019. Their small team is headquartered in Santa Monica, California.
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60$10,000+10 - 49 employeesSan Ramon, CAMoonstone Interactive is a website development firm. Located in San Ramon, California and Islip, New York, their small team focuses on Web Development, Conversion Optimization, Web Design, UX/UI Design, and more. The agency was established in 1996.Read More
Clients
10FoldIndustries
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