Top 100 Mobile App Developers in California
The Best of May 2024
Looking 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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Featured providers
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- $10,000+
- 50 - 249 employees
- Greenville, SC
Headquartered in Greenville, South Carolina, Designli's team of 50 employees offers mobile app development, web development, UX/UI, and web design services. Since its founding in 2013, Designli has helped startups and businesses of all sizes build quality software with full-time, dedicated product teams assigned to each client project.
Industries
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- $10,000+
- 10 - 49 employees
- Scottsdale, AZ
Working out of Scottsdale, Ariz., Dot Com Development is a development firm that works with small and mid-market businesses. The team of about 10 employees specializes in mobile app, web, and e-commerce development. They also have experience with marketing, in particular, SEO and conversion optimization.
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181
- $50,000+
- 10 - 49 employees
- Los Angeles, CA
The Development Factory is a software development firm based in Los Angeles, with a branch office in Toronto. Founded in 2009. With a team of 10, The Development Factory specializes in custom software development, mobile development, product design and more.
Clients
- Givsum - Empowering every person to be a force for good
Industries
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182
- $5,000+
- 50 - 249 employees
- San Francisco, CA
AllCode is a digital agency based in San Francisco. Founded in 2015, they have approximately 15 employees who focus on Cloud Computing, Custom Software Development, and Web Development.
Clients
- Twilio
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183
- $50,000+
- 10 - 49 employees
- Rocklin, CA
Grey Sky Media is a web and technology development company based in Rocklin, California. Founded in 1999, their team of fewer than 10 employees provides services for small and mid-market businesses. They specialize in web development, custom software development, UX/UI design, and enterprise app modernization.
Industries
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184
- $5,000+
- 10 - 49 employees
- Walnut Creek, CA
Software development firm OmniTiim was established in 2021. The small team focuses on custom software development, web development, and mobile app development. The company is in Walnut Creek, California.
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185
- $10,000+
- 10 - 49 employees
- Sacramento, CA
Dr Developers is a small web development company. The Sacramento, California-based agency was established in 2015. Their team specializes in web development, web design, ux/ui design, mobile app development, and more.
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186
- $5,000+
- 10 - 49 employees
- Citrus Heights, CA
Yotalabs is a technology firm headquartered in Sacramento, Calif., with a satellite office in Ukraine. They have about 11 employees that serve small and midmarket businesses. Services include custom software development, IT staff augmentation, web development, and mobile app development services.
Clients
- Tesla
Industries
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187
- $5,000+
- 10 - 49 employees
- San Diego, CA
Nisman Solutions is a software and product development company founded in 2007 and located in San Diego, Calif. With a team of about 25 employees, they serve small and midmarket businesses in the business services, health care and medical, IT, telecommunications, and e-commerce industries. Their services include software development, mobile app development, and IT strategy consulting.
Clients
- Phone2
Industries
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188
- $10,000+
- 10 - 49 employees
- Irvine, CA
Devio is a web development firm. Founded in 2018, the small firm is located in Irvine, California. Their services include web development, mobile app development, and custom software development.Read MoreIndustries
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189
- $10,000+
- 10 - 49 employees
- Foster City, CA
Software development firm MugCo was founded in 2020. The small Pleasanton, California-based team specializes in custom software development, e-commerce development, web development, cloud consulting & SI, and more.
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190
- $100,000+
- 10 - 49 employees
- San Francisco, CA
Switspeed Appcreator is a mobile application development firm based in San Francisco, California and Lagos, Nigeria. The small team provides mobile app development, custom software development, application management & support, web development, and more. The firm was launched in 2017.Read MoreIndustries
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191
- $10,000+
- 10 - 49 employees
- Anaheim, CA
Based in Anaheim, California, Reinforce Global is a custom software development company. They provide custom software development, application management & support, mobile app development, and web development and were launched in 2019.
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192
- $5,000+
- 50 - 249 employees
- Los Angeles, CA
Merx Forum Inc is a web development company headquartered in Los Angeles, California and Burbank, California. The agency focuses on web development, market research, web design, mobile app development, and more and has a midsize team.The agency was launched in 2018.Read MoreIndustries
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193
- $25,000+
- 10 - 49 employees
- Los Angeles, CA
Jafton specializes in building mobile apps and custom software for funded startups and organizations. Our team of more than 100+ experienced software engineers, iOS developers, Android developers, DevOps engineers, designers, and project managers led by the CEO who built and successfully sold multiple startups partner with you to assure the success of your project.
Clients
- Shein
Industries
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194
- Undisclosed
- 50 - 249 employees
- San Francisco, CA
ClearScale is a cloud-native systems integration, strategic consulting, and application development company founded in San Francisco with over 50 employees. They provide custom software development, mobile app development, and big data consulting services.
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195
- $25,000+
- 10 - 49 employees
- San Diego, CA
Frogmouth Digital is a software development firm that has been offering web development, mobile app development, and custom software development to their clients since 2009. Their 50 employees are based out of La Jolla, Calif.
Clients
- UFC
Industries
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196
- $25,000+
- 2 - 9 employees
- Santa Monica, CA
Right Balance is a software development company based in Santa Monica, Calif. with offices in Mexico City and Moscow. The company, founded in 2015, has a team of less than ten that provides custom software development, web development, and mobile app development services. Right Balance serves mid-market and other-sized companies in the financial services, IT, and transportation industries.
Clients
- Tala
Industries
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197
- $5,000+
- 10 - 49 employees
- San Jose, CA
Round Pegs, Inc is a San Jose, California-based mobile app development company. The small team provides mobile app development, application management & support, and other application development and was founded in 2016.Read More -
198
- $1,000+
- 2 - 9 employees
- Inglewood, CA
Adulis Technology Services is a marketing firm founded in Inglewood, Calif. in 2018. With fewer than 10 professionals, they offer advertising, branding, and web design solutions to small businesses in the fields of advertising and e-commerce.
Clients
- Walia Tax, Immigration & Live Scan Consultant
Industries
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199
- $10,000+
- 10 - 49 employees
- San Francisco, CA
Streamline social, a software development firm, is headquartered in San Francisco, California; Buffalo, New York and Montevideo, Uruguay. Founded in 2009, the small team specializes in custom software development, mobile app development, ux/ui design, product design, and more.
Industries
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200
- $25,000+
- 50 - 249 employees
- Santa Clarita, CA
Founded in 2010, Advancio is a custom software development company. The agency provides custom software development, IT staff augmentation, non-voice bpo/back office services, enterprise app modernization, and more and has a midsize team.
Industries
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201
- $10,000+
- 10 - 49 employees
- Irvine, CA
INSTALOPER, LLC is a web design company. The small Irvine, California-based firm was launched in 2016. Their team specializes in web design, ux/ui design, custom software development, web development, and more.
Industries
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202
- $1,000+
- 10 - 49 employees
- San Francisco, CA
Proleadsoft is a full-service digital agency headquartered in San Francisco, Calif. With a team of around 15 employees, Proleadsoft specializes in web development, SEO, and web design.With Proleadsoft's help, the youth nonprofit's website is modern, easy to navigate, and has attracted more traffic.
Clients
- Travel Merchants
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203
- $5,000+
- 10 - 49 employees
- San Francisco, CA
Be Unicorn is a design and development company located in San Francisco. It was founded in 2017 and employs a small team of 2 that provides a range of services like mobile app development, UX/UI design, AI, AR/VR development, branding, and more for mainly small businesses.
Clients
- Hello Baby
Industries
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204
- $5,000+
- 10 - 49 employees
- Glendale, CA
Royal Digital Agency is a small branding agency located in Glendale, California. Established in 2016, the team specializes in branding, digital strategy, social media marketing, content marketing, and more.Read MoreIndustries
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205
- $10,000+
- 10 - 49 employees
- Irvine, CA
Custom Software Solutions, Inc is a software house based in Irvine, Calif., and founded in 2005. With no more than 50 experts, they provide SEO, PPC, and custom software development solutions to clients ranging from startups to large businesses.
Clients
- HID Global
Industries
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206
- $50,000+
- 10 - 49 employees
- Lake Forest, CA
Laminar Consulting Services Inc. is an application development firm located in Foothill Ranch, Calif. Founded in 20015, they currently have about 3 employees. They offer custom software development, application testing, and enterprise app modernization services to primarily midmarket firms in financial services as well as the health care and medical industries.
Clients
- Exemplis
Industries
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207
- $25,000+
- 250 - 999 employees
- San Jose, CA
VOLANSYS Technologies is a product realization and digital transformation company based in Ahmedabad, India, and founded in 2008. Their team of more than 350 employees specializes in IoT development, cloud consulting, and mobile app development.
Industries
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208
- $10,000+
- 250 - 999 employees
- Beverly Hills, CA
HokuApps is a Singapore, Singapore-based mobile application development company. The midsize company was established in 2014. Their team specializes in mobile app development and wearable app development.Read MoreIndustries
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209
- $10,000+
- 10 - 49 employees
- San Francisco, CA
TheSpider is a San Francisco-based web design company founded in 2009. The company employs a team of around 10 that offers web design, web development, e-commerce development, mobile app development, and UX/UI design services to small and mid-size companies.
Clients
- Quest Diagnostics
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210
- $5,000+
- 10 - 49 employees
- Los Angeles, CA
Founded in 2008, Platform Purple, Inc. is headquartered in Los Angeles with another location in Chicago. Their team os 12 employees provides custom software development, mobile app development, and e-commerce development services for enterprise, midmarket, and small businesses. They focus on e-commerce, health care, medical, and retail industries.
Clients
- Alfred Video
Industries
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