Top 100 Mobile App Developers in California
The Best of March 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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1291Undisclosed2 - 9 employeesPasadena, CATrinus Corporation is an IT managed services company. They are in Pasadena, California and have small team. Their team offers IT managed services and Search Engine Optimization.Read More
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1292Undisclosed2 - 9 employeesClovis, CAMoreseos is a small Clovis, California-based user experience design company. Their services include UX/UI Design and Graphic Design.Read More
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1293Undisclosed2 - 9 employeesSanta Monica, CAWebRotate 360 LLC is a SEO services firm. The team offers Search Engine Optimization and Pay Per Click, and the firm is in Santa Monica, California.Read More
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1294Undisclosed10 - 49 employeesSan Diego, CADigital Marketing Group LLC is a small Content Marketing company founded in 2013. Their team specializes in Content Marketing and Search Engine Optimization.Read More
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1295$5,000+50 - 249 employeesSan Francisco, CAMidsize e-commerce development company Riddle & Bloom, is located in Boston, Massachusetts and San Francisco, California. Their services include E-Commerce Development and Mobile App Development.Read More
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1296$10,000+50 - 249 employeesUnion City, CACloudpacer Inc, a custom software development company, specializes in Custom Software Development and Web Development. The company is in Union City, California and Lahore, Pakistan.Read More
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1297$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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1298$25,000+250 - 999 employeesSan Francisco, CARobosoft Technologies Inc. Is a San Francisco, California-based app development company. They offer Mobile App Development, UX/UI Design, Web Development, Custom Software Development, and more and were launched in 1996.Read More
Clients
Warner Bros. Discovery HSBC McDonalds Mercury FinanceIndustries
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1299$10,000+50 - 249 employeesSan Francisco, CASoftDoes is an AI Agents company established in 2019. They are based in Mission, Kansas; Atlanta, Georgia; Dallas, Texas and Nashville, Tennessee and have a midsize team. The agency provides AI Agents, Generative AI, AI Consulting, Artificial Intelligence, and more.Read More
Clients
FMY OrthodonticsIndustries
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1300$50,000+250 - 999 employeesPalo Alto, CARead More
InApp was founded in 2000 and currently has 300+ employees. Headquartered in Trivandrum, India, their services include web development, custom software development, and mobile app development. They also have another location in Palo Alto, Calif.
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1301$10,000+10 - 49 employeesHuntington Beach, CAAlokin is a software development company founded in 2011. Their services include Custom Software Development and Web Development.Read More
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1302Undisclosed10 - 49 employeesLos Angeles, CATechTilt Technologies , an UX company, is in Chennai, India and Los Angeles, California. The team specializes in UX/UI Design and Mobile App Development.Read More
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1303$10,000+10 - 49 employeesLos Angeles, CACitrusbyte, a small website development firm, is based in Los Angeles, California and New York, New York. The team focuses on Web Development and Custom Software Development.Read More
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1304$10,000+250 - 999 employeesCarlsbad, CAA3Logics Inc. Is a midsize IT strategy consulting company. Founded in 2003, the firm is located in Carlsbad, California; Jaipur, India and Singapore, Singapore. Their services include IT strategy consulting, Custom Software Development, Mobile App Development, IT managed services, and more.Read More
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AVATAR FloridaIndustries
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1305Undisclosed50 - 249 employeesSan Jose, CAMumba Technologies is an IT strategy consulting company. Launched in 2010, the team offers IT strategy consulting and BI & big data consulting & SI.Read More
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1306Undisclosed250 - 999 employeesIrvine, CARead More
Authority Partners is a software firm based in Irvine, Calif. with more than 250 employees. They are experts in UX/UI design, IT managed services, and custom software development for various clients.
Clients
ArtisIndustries
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1307$10,000+10 - 49 employeesSan Francisco, CAMINDFLARES, a small Market Research company, is headquartered in Dubai, United Arab Emirates and Antelias, Lebanon. Their services include Market Research and UX/UI Design.Read More
Industries
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1308Undisclosed10 - 49 employeesLos Angeles, CAAccunity Website Design is an UX design agency. Their team is in Addison, Texas and Los Angeles, California. The firm offers UX/UI Design and Custom Software Development.Read More
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1309$100,000+1,000 - 9,999 employeesSan Francisco, CARead More
Headquartered in San Francisco, Wizeline is a global technology services provider with delivery centers in Mexico, Colombia, Spain, and Vietnam. Since its founding in 2014, Wizeline has grown to over 1,300 employees specializing in product/platform development, UX design, data & AI, cloud & DevOps, and product evolution services.
Clients
Fitz Frames -
1310$5,000+50 - 249 employeesNewport Beach, CARead More
Dirox, a mobile app development company, was founded in 2003. They are located in Ho Chi Minh City, Vietnam; Shibuya City, Japan; Hong Kong, Hong Kong and Paris, France and have a midsize team. Dirox focuses on mobile app development, custom software development, web development, digital strategy, and more.
Clients
LogChainIndustries
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1311$5,000+50 - 249 employeesSan Jose, CAXetech is a cloud consulting & SI company. They focus on cloud consulting & SI and Custom Software Development and are located in Frimley, England and San Jose, California.Read More
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1312$10,000+250 - 999 employeesBeverly Hills, CARead More
Founded in 1998, IndiaNIC is a mobile app and web development industry veteran. Since its founding, IndiaNIC has expanded to two offices in Ahmedabad, India and Sunnyvale, CA. The team of over 400 employees handles projects in mobile and web development, IoT solutions, wearable technology, and mobile gaming.
Clients
Gulfstream Aerospace CorporationIndustries
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1313$5,000+50 - 249 employeesSan Mateo, CABased in San Mateo, California and Lucknow, India, STPL IT Solutions is a web design agency. They offer Web Design and UX/UI Design.Read More
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1314$1,000+50 - 249 employeesSanta Clarita, CARead More
Yashco Systems is a software company based in Hilliard, Ohio, and founded in 2000. With more than 50 employees, they are experts in web development, mobile app development, and IT managed services.
Clients
2Much.net -
1315$1,000+50 - 249 employeesLos Angeles, CARead More
ALMAX DESIGN AGENCY LLC is a web development company. They specialize in web development, mobile app development, web design, and ux/ui design and were established in 2019. The firm is headquartered in.
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1316$10,000+10 - 49 employeesSan Francisco, CAEnigma Marketing Services is a branding agency. In Maidenhead , England and San Francisco, California, the firm was established in 1994. Their team specializes in Branding and Content Marketing.Read More
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1317Undisclosed10 - 49 employeesMilpitas, CAFindMeTechie is a custom software development firm launched in 2014. The team offers Custom Software Development and E-Commerce Development.Read More
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1318$50,000+1,000 - 9,999 employeesSaratoga, CARead More
Headquartered in L'viv, Ukraine; New York, New York; Saratoga, California and Bellevue, Washington, Sigma Software Group is a software development company. The large agency was established in 2002. Their services include Custom Software Development, Web Development, Mobile App Development, BI & big data consulting & SI, and more.
Clients
VolvoIndustries
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1319Undisclosed250 - 999 employeesSan Mateo, CALohika is a software development company. Headquartered in San Mateo, California and Ukraine, Ukraine, the company provides Custom Software Development and Blockchain.Read More
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1320$1,000+50 - 249 employeesSan Bernardino, CAFounded in 2017, Information Process Solutions is a social media marketing firm. The team offers Social Media Marketing and Search Engine Optimization and is located in San Bernardino, California and.Read More
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