
Top 100 Mobile App Developers in California
The Best of March 2025Looking 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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1$10,000+10 - 49 employeesLos Angeles, CAAppMakers USA, a small mobile application development company, is located in Los Angeles, California and New York, New York. Established in 2014, the team specializes in Mobile App Development, Web Development, and UX/UI Design.Read More
Clients
Los Angeles Apparel CVS Pharmacy Number Hive NFLIndustries
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2$25,000+50 - 249 employeesWalnut, CA
Ptolemay is a software company based in Walnut, Calif. with more than 10 employees. Founded in 2017, they provide custom software, web, and mobile app development solutions to small and mid-market companies in the fields of financial services, education, and arts.
Clients
Samsung Rakuten Knauf Coca-ColaIndustries
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3$25,000+10 - 49 employeesLos Angeles, CA
Goji Labs is a web and mobile app development company based in Los Angeles. Founded in 2014, they have a team of about 30 that helps launch products in numerous industries ranging from business services to education. They provide product strategy, UX/UI design, mobile app, web, and IoT development services to various clients including startups, corporations, and nonprofits.
Clients
World Health OrganizationIndustries
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4$100,000+10 - 49 employeesHalf Moon Bay, CA
Zurgerberg Inc is a mobile app consultancy founded in 2019 in Half Moon Bay, Calif. With 10+ employees on board, they mainly provide mobile app development and product design. Their clients consist of small-sized companies in consumer products and business services industries, with a few enterprise-level clients as well.
Clients
Screenshop (recently acquired)Industries
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5$10,000+10 - 49 employeesLos Angeles, CA
Overturn Media is a website development company. Launched in 2015, the team provides web development, video production, mobile app development, e-commerce development, and more. Their small firm is in Los Angeles, California.
Industries
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6$50,000+10 - 49 employeesLos Angeles, CA
Morning Stars Developers is an application development company based in Inglewood, California. They focus on mobile app development and web development and were established in 2021.
Clients
CMYK EngineeringIndustries
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7$10,000+50 - 249 employeesPalo Alto, CA
Launched in 2019, Koderspedia is a custom software development company. The midsize Palo Alto, California-based team specializes in custom software development, web development, mobile app development, e-commerce development, and more.
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8$50,000+50 - 249 employeesPalo Alto, CAMicro1, a website development company, was established in 2019. Located in Palo Alto, California, their midsize team provides Web Development, Mobile App Development, Web Design, and Low/No Code Development.Read More
Clients
ImmutableIndustries
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9$25,000+10 - 49 employeesEl Segundo, CADogtown Media is an El Segundo, California-based app development company. They offer Mobile App Development, Wearable App Development, Artificial Intelligence, AI Consulting, and more and were established in 2011.Read More
Clients
GoogleIndustries
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10$50,000+10 - 49 employeesSan Francisco, CA
Founded in 2015, Geekbears is a Web and Mobile Design & Development company based in California. They have served 200+ customers, and the list is growing. They worked with clients like Samsung, Harvard, and Indeed. From ideation to launching a digital product, Geekbears walk its clients through the entire process. Their main focus is to help businesses create stunning web and mobile applications to help make the world a more productive one.
Clients
SamsungIndustries
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11$10,000+50 - 249 employeesIrvine, CAWve Labs is an application development company. Founded in 2015, the team provides Mobile App Development, Web Development, UX/UI Design, and Artificial Intelligence. Their midsize firm is headquartered in Irvine, California; Beverly Hills, California; Riyadh, Saudi Arabia and Monza, Italy.Read More
Clients
Sony EntertainmentIndustries
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12$50,000+250 - 999 employeesIrvine, CA
Vincit California is a software development company that has provided mobile app development, custom software development, and UX/UI design services to their clients since 2007. Their team of 1,000 employees is based out of Irvine, Calif. With another office in Helsinki.
Clients
SplunkIndustries
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13$25,000+50 - 249 employeesLos Angeles, CA
CitrusBits is a mobile app development company based in Los Angeles, CA and founded in 2005. The team of nearly 60 employees is passionate about creating mobile technology and responsive mobile content for all businesses.
Clients
Burger KingIndustries
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14$25,000+10 - 49 employeesPasadena, CA
CT Software Solutions is a full-service Los Angeles based Web and Mobile App solutions provider. They provide software solutions to businesses that are looking for a less costly alternative to bigger, more expensive consulting firms.
Clients
Burger KingIndustries
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15$50,000+1,000 - 9,999 employeesSan Francisco, CA
Founded in 2009, BairesDev is a large software development firm. Their services include Custom Software Development, Web Development, Mobile App Development, Artificial Intelligence, and more. The firm is in San Francisco, California; Buenos Aires, Argentina; Sao Paulo, Brazil and Ciudad de México, Mexico.
Clients
GoogleIndustries
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16$50,000+1,000 - 9,999 employeesSan Francisco, CA
Toptal is a private network of freelance technologists and designers. With more than 2000 freelance workers in its exclusive community, Toptal can be instrumental in finding the right freelance partner for development projects. The community includes developers for any platform, finance experts, and designers of both visual material and graphic interfaces. Because of its screening process, Toptal combines the reliability and expertise of an agency with the flexibility and affordability of freelance work.
Clients
Toptal clients include J.P. MorganIndustries
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17$1,000+2 - 9 employeesLos Angeles, CABlupalms is a small mobile app development firm. Headquartered in Los Angeles, California, the company was founded in 2021. Their team offers Mobile App Development and UX/UI Design.Read More
Industries
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18$50,000+50 - 249 employeesSan Diego, CA
WebcentrIQ is a software development company in San Diego. Founded in 2017, they have about 10 employees that serve mostly midmarket and small-business clients in the healthcare, financial, and IT industries. Services include custom software development, mobile app development, and UI/UX design.
Clients
Campaign MonitorIndustries
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19$10,000+10 - 49 employeesEncinitas, CA
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.
Clients
Domino's Tracker App 12 million downloads -
20$250,000+250 - 999 employeesRedwood City, CA
Established in 2009, Y Media Labs is a 200+ digital strategy and technology agency that focuses on innovation. With headquarters in Redwood City, CA and offices in Atlanta, Indianapolis, and New York, the company splits its time between mobile app development, digital strategy, and UI/UX design.
Clients
Universal Music GroupIndustries
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21$25,000+10 - 49 employeesLos Angeles, CA
Frenchy Digital LLC is a mobile app development company based in Los Angeles with offices in Paris and Alger, Algeria. The company, founded in 2019, has a team of less than ten that provides mobile app development, web development, and e-commerce development services. Frenchy Digital serves mid-market and other-sized companies and institutions in the e-commerce, financial services, health care & medical, and government sectors.
Clients
iGlow Med SpaIndustries
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22$1,000+1,000 - 9,999 employeesEncinitas, CA
CC Capital Group is an outsourcing agency based in La Jolla, Calif with a team of 25. Founded in 2012, the company offers direct marketing, business consulting, and HR services. Their direct marketing services are focused on telemarketing, among other forms.
Clients
Xerox CorporationIndustries
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23$50,000+50 - 249 employeesSanta Monica, CA
Sidebench is a strategy, design, and development consultancy with a team of 70+ experts headquartered in Los Angeles. Founded in 2012, Sidebench caters to enterprise companies and new ventures seeking the management consultants & experienced founders, the technical chops of systems architects, and a UX-first approach. Sidebench provides app and web development, UX/UI design, web design, and app testing via a fully integrated product delivery team.
Clients
Microsoft CorporationIndustries
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24$25,000+250 - 999 employeesPalo Alto, CA
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.
Clients
Men's WearhouseIndustries
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25$50,000+10 - 49 employeesIrvine, CA
Product design company Topflight Apps is based in Irvine, Calif. with a second location in Las Vegas. Since 2015, their team of 17 has specialized in mobile app development, web development, UX/UI design, and more. They work for small and midmarket businesses alike in the healthcare, ecommerce, consumer products, and financial industries.
Clients
Allheartz: computer vision for remote physiotherapy and sports care (SaaS platform + mobile apps)Industries
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26$10,000+10 - 49 employeesSan Francisco, CA
Techlexity is a small custom software development firm. Located in L'viv, Ukraine and Los Angeles, Glendale, California, the agency was founded in 2019. Their services include custom software development, web development, mobile app development, blockchain, and more.
Industries
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27$25,000+10 - 49 employeesFremont, CA
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.
Clients
Chamba -
28$50,000+10 - 49 employeesIrvine, CA
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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29$10,000+50 - 249 employeesSan Luis Obispo, CA
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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30$25,000+10 - 49 employeesIrvine, CANaked Development is an Irvine, California-based user experience company. The small company was launched in 2018. Their team focuses on UX/UI Design, Mobile App Development, Mobile & App Marketing, Application Management & Support, and more.Read More
Clients
Peter Thiel Ashton KutcherIndustries
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