Our expert analysts identified the leading mobile app developers in California that create high-performance apps that engage and retain their user base. Filter listings by city, team size, cost of services and reviews to personalize your search. Choose the best partner for your brand and take advantage of these agencies' expertise and experience.
Best California Mobile App Developers
881 Companies - Rankings updated: April 02, 2026
DesignRush assesses agencies using expertise standards and verified client experiences to help you make better decisions. Certain agencies have paid placements.
Your Product Engineering & Gen AI Partner
Simform is a premier product engineering services company specializing in Cloud/MACH architectures, DevOps automation, Data Engineering, Generative AI and Machine Learning to create seamless digital experiences and scalable products. [... see all Simform reviews ]- Location
- Los Angeles, California
- Number of Employees
- 1000 & Up
- Average Hourly Rate
- $30/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 8 Projects Listed
We build tailored data platforms that help businesses collect, transform and turn data into insights
GroupBWT is a consulting firm specializing in data management and the construction of data platforms. Our approach combines classical data warehousing with robust visualization tools, ETL processes, and business intelligence. [... see all GroupBWT reviews ]- Location
- Los Angeles, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $45/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 14 Projects Listed
Change and last.
Global software development and design studio. 15 years, new and inventive everyday. Because change is inevitable. So change to last. [... see all Fuerza Studio reviews ]- Location
- San Diego, California
- Number of Employees
- 50 - 99
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 9 Projects Listed
Well-Rounded Perspectives To Achieve Effective Marketing Outcomes
Kobe Digital is a unified team of performance marketing, design, and video production experts. Our mastery of these disciplines is what makes us effective. Our ability to integrate them seamlessly is what makes us unique. [... see all Kobe Digital reviews ]- Location
- Los Angeles, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $150/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 15 Projects Listed
Keep Your Business Competitive in an App-Connected World.
Expert website design and development - mobile application development - API integration: we do it all! Your online presence can't be left to just anyone. We are an agile-focused agency with a high client satisfaction rate. Whatever you need to build to scale your business - we'll help you build it the [... see all Sunrise Integration reviews ]- Location
- Pasadena, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $150/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 12 Projects Listed
Accelerate Your Roadmap & Drive Innovation
At Rootstrap, we help companies scale people, processes, and products through outcome-driven development. We’ve helped launch more than 750+ digital products with more than 100 million combined downloads. [... see all Rootstrap reviews ]- Location
- Los Angeles, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $87/hr
- Portfolios Count
- 8 Projects Listed
Reforming Tomorrow's Tech
Empowering California Businesses with Bespoke Web Design and Development Services. [... see all Tech Reforms reviews ]- Location
- Los Angeles, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $30/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 11 Projects Listed
You Think It, We'll Build It.
Idea Maker is a U.S.-based software development agency helping businesses transform ideas into scalable digital products. Our expert team specializes equally in mobile apps, custom software, AI-powered solutions, and modern web platforms. [... see all Idea Maker reviews ]- Location
- Irvine, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $125/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 10 Projects Listed
We create digital products and grow with our partners!
Rocketech is a software development company collaborating with 100+ Middle and Senior level IT and business professionals and specialising in analytics-driven web and mobile development. Our team has released 150+ products for 100+ startups and enterprises. [... see all Rocketech Development reviews ]- Location
- San Francisco, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $30/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 14 Projects Listed
Growth Marketing & Web Design Experts Since 1998
Since 1998, Lounge Lizard Brandtenders and Marketing Mixologists Have Created the Internets Best Websites & Digital Marketing Campaigns Yielding the Highest ROI. Ask about our 7 Second Rule! [... see all Lounge Lizard reviews ]- Location
- Los Angeles, California
- Number of Employees
- 50 - 99
- Portfolios Count
- 27 Projects Listed
Turning App Ideas into App Businesses Since 2007
We don't just build apps. We build app businesses that actually succeed, where 80% fail within their first year. For 17 years we've perfected what actually works, having launched 300+ successful apps, including one that hit 4+ million downloads in just 60 days with sub-$3 user acquisition. [... see all Dedicated Developers reviews ]- Location
- San Francisco, California
- Number of Employees
- 100 - 249
- Portfolios Count
- 27 Projects Listed
Mobile & Web App Production Company
We help market leader bring web and mobile product to market within 3 months! [... see all Purrweb reviews ]- Location
- Walnut, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $45/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 36 Projects Listed
Blockchain Experts You Can Rely On
Calibraint, a dynamic team of blockchain tech experts founded in 2015, focuses on high-quality software products with a customer-centric approach. Our services range from blockchain to UI/UX design, mobile app development, AI, and product development. Committed to innovation and customer satisfaction, we turn [... see all Calibraint reviews ]- Location
- Newark, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $100/hr
Empowering Your Digital Future with Innovative IT Solutions
At Quantum IT Innovation, our team excels in AI, Big Data, RPA, and Mobile App Development for iOS, Android, and Cross-Platform. We also offer expert SEO, PPC, and Social Media services to drive your business forward in the USA, UK, Canada, Ireland, UAE, Australia, India, & across the globe. [... see all Quantum IT Innovation reviews ]- Location
- San Clemente, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $10/hr
- Minimal Budget
- Under $1,000
- Portfolios Count
- 100 Projects Listed
Top-rated Mobile Apps, AI/ML, Blockchain Development Company.
Junkies Coder is a leading technology solution provider across 15 countries and 50+ Rockstar Developers is our strength, We're specializing in web development, Top-rated Mobile App Development, and innovative solutions. Our experienced team is dedicated to delivering high-quality service and support to help [... see all Junkies Coder reviews ]- Location
- San Francisco, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 12 Projects Listed
Enterprise AI Solutions | Scalable . Flexible. Sustainable
Seasia, being a well-known world-class enterprise software development company, serves small, medium, and large-sized businesses in a seamless and secure manner. We enable competitive digital strategies within your organization that will boost your business. [... see all Seasia Infotech reviews ]- Location
- Emeryville, California
- Number of Employees
- 500 - 999
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 52 Projects Listed
Innovate. Collaborate. Build
GeekyAnts is a global technology consulting and product development company specializing in digital transformation, custom software solutions, and end-to-end app development. With 15+ years of experience, weve served 550+ clients like Google, SKF, WeWork, and ICICI, delivering 800+ projects. [... see all GeekyAnts reviews ]- Location
- San Francisco, California
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 36 Projects Listed
Leading the AI Revolution in Healthcare & Enterprise Solutions
Next-Generation AI Development Company - Transforming Ideas into Intelligent RealityDreamSoft4u is pioneering the future of AI-powered software development with cutting-edge Generative AI solutions that deliver measurable business impact. [... see all Dreamsoft4u reviews ]- Location
- Corona, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $40/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 18 Projects Listed
Digital Consulting That Drives Business Innovation
Robosoft Technologies is an experience engineering company trusted by large global enterprises, ambitious startups, and mid-size companies worldwide. Our mission is to simplify every aspect of digital life, from utility services to entertainment and productivity at work. [... see all Robosoft Technologies reviews ]- Location
- San Francisco, California
- Number of Employees
- 500 - 999
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 16 Projects Listed
An Innovative App Development Company that fosters Disruption
XpertsApp is known in the market for providing exceptional mobile app development services. Our high-performing mobile applications ensure maximum impact, high functionality, and scalability for your business. [... see all XpertsApp reviews ]- Location
- Long Beach, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 8 Projects Listed
Your Vision. Our Innovation
Dev Technosys is an ISO9001:2015-certified software development company founded in 2010, offering comprehensive IT solutions including custom web and mobile development, IoT, ERP/CRM, on-demand apps, and e-commerce platforms. The firm delivers tailored engineering services to clients in over 70 countries [... see all Dev Technosys reviews ]- Location
- Commerce, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $20/hr
- Portfolios Count
- 16 Projects Listed
Synergytop Is a Software Development and Consulting Company.
SynergyTop is a San Diego-based digital commerce company that offers a range of services, including software development, product engineering, e-commerce development, mobile application development, web development, staffing, ERP implementations, application management services, and digital marketing [... see all SynergyTop reviews ]- Location
- San Diego, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 7 Projects Listed
Full Stack Digital Product Development Company
DigiTrends is a full-stack digital agency with a strong mission to digitize various sectors, ranging from Pharma and Fintech to e-commerce and retail. With proven experience and expertise, we have earned the trust of over 600+ brands, including globally renowned enterprises and fortune 500 companies [... see all DigiTrends reviews ]- Location
- San Francisco, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $20/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 21 Projects Listed
Dedicated Teams That Build Complex Software Systems
SiliconMint designs, develops, and supports mission-critical software systems. Based in San Francisco, SiliconMint has offices in New York and Europe to serve clients across the globe. [... see all SiliconMint reviews ]- Location
- San Francisco, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $55/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 7 Projects Listed
Boutique studio creating tailored web experiences.
Reach for the sky. We are Zero Negative. Your sidekick for big ideas. In a nutshell, Zero Negative is a small, boutique full-service design and development studio with a focus on creativity and close collaboration with clients. We make stuff - websites, web apps, interactive experiences, branding, and [... see all ZERO NEGATIVE reviews ]- Location
- San Francisco, California
- Number of Employees
- Under 49
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 7 Projects Listed
Leading SDaaS & Blockchain Development Corporation
A global Software Development as a Service (SDaaS) & IT Consulting group who delivers sustainable Blockchain Development, Software Development, including Web/App/Game Development, AI & Machine Learning, Odoo ERP with success guaranteed. [... see all SOTATEK JSC reviews ]- Location
- Costa Mesa, California
- Number of Employees
- 500 - 999
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 34 Projects Listed
Software, mobile and SaaS application development since 2004.
We are located in beautiful Phoenix, Arizona, and we can meet you in person anywhere in Arizona or Southern California. We have clients coast to coast and we have a long and proud history as a technology advocate for small business. To learn more, call us at 623-845-2747 or visit datatitan.com. [... see all Data Titan reviews ]- Location
- Los Angeles, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $100/hr
- Minimal Budget
- $1,000 - $10,000
World-Class Software Engineering Partner
Dream X is a full-cycle software development company dedicated to building high-performance products. Founded in 2022 by Alexandr Korshykov, we partner with businesses worldwide to deliver end-to-end technical solutions. [... see all DreamX reviews ]- Location
- San Francisco, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $30/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 15 Projects Listed
Product Teams On Demand
Right Tail provides a high-performance Product Software Development and IT Staff Augmentation team built for speed, precision, and outcomes. We partner with startups, scale-ups, and enterprise technology companies to design, build, and scale world-class digital products. [... see all Right Tail reviews ]- Location
- San Francisco, California
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $35/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 14 Projects Listed
Driving Change Through Technology - Apps, Ecommerce, Staff Aug, BPO, Next Gen Tech and more!
Trango Tech provides unique digital solutions, leveraging a team of 200+ seasoned developers to deliver seamless App Development, mobile platforms, and enterprise-grade systems. Our powerful insights optimize results across every digital transformation campaign. Explore what’s next. [... see all Trango Tech reviews ]- Location
- San Jose, California
- Number of Employees
- 100 - 249
- Portfolios Count
- 17 Projects Listed
Nearshore Software Development Services
Need devs but in a hiring freeze? Continue to build and increase productivity with our nearshore software development resources. We provides highly skilled, team-based resources to companies that need tech talent fast. [... see all Admios reviews ]- Location
- San Francisco, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $60/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 7 Projects Listed
Empowering Innovation Through IT Solutions.
iVelopment delivers cutting-edge IT solutions that drive business success. With a focus on personalized service and innovative technologies, we provide tailored software development, systems integration, and IT staffing to help companies stay ahead in a rapidly evolving digital landscape. [... see all IVelopment, Inc reviews ]- Location
- Los Angeles, California
- Number of Employees
- Under 49
- Portfolios Count
- 4 Projects Listed
AI-Enabled Сustom Software Development
We're JetRuby — AI-native, award-winning, and ISO-certified agency that's been shipping software since 2010. Our 250+ engineers turn bold ideas into production-ready products, starting from budgets of $50,000 and scaling all the way to enterprise roll-outs. [... see all JetRuby reviews ]- Location
- San Francisco, California
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 33 Projects Listed
Software Outsourcing & Development | 500+ Active Clients
Founded in 2009 by Nacho de Marco and Paul AzorĂn, BairesDev provides top 1% tech talent to a range of clients, from startups to Fortune 500 companies. [... see all BairesDev reviews ]- Location
- San Francisco, California
- Number of Employees
- 1000 & Up
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 5 Projects Listed
Engineering peace of mind
At Vention, unparalleled customer care isnt just a promise its our mission. We blend personalized experience, unwavering attention to detail, and a genuine passion for your business, ensuring that every aspect of our collaboration is tailored to your success. [... see all Vention reviews ]- Location
- San Francisco, California
- Number of Employees
- 1000 & Up
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 16 Projects Listed
Excellence In Software Engineering
Emerline is an innovative global software engineering company that delivers full-cycle development services worldwide. [... see all Emerline reviews ]- Location
- Mountain View, California
- Number of Employees
- 500 - 999
- Portfolios Count
- 25 Projects Listed
We Build Innovative Products for Startups and Larger Brands
There are a lot of choices when it comes building a software product. The reason people choose ScrumLaunch is because of our high touch approach, high quality work and most importantly, because we have built our own software products and have a deep understanding of how to succeed with iterative, rapid [... view ScrumLaunch profile ]- Location
- Los Angeles, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $100/hr
- Minimal Budget
- Under $1,000
- Portfolios Count
- 81 Projects Listed
A Reliable Full-Service Software Development, Cloud, DevOps and QA Partner
Leveraging 30 years of excellence designing, developing, deploying and supporting world-class software solutions, Kanda Software has established itself as a trusted Software Development, Cloud Engineering, DevOps and QA partner for companies ranging from innovative startups to large enterprises. [... see all Kanda Software reviews ]- Location
- Alameda, California
- Number of Employees
- 500 - 999
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 16 Projects Listed
Envision Leverage Infinite
A global technology outsourcing and custom Development Company with expertise into diverse Web Development, Custom Software and Mobile Applications. [... see all Cmarix reviews ]- Location
- Temecula, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $20/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 38 Projects Listed
Metajive helps brands grow through design, technology & modern marketing.
Webby Award-winning enterprise digital experience agency specializing in connected commerce, Shopify Plus & AI-powered products. 21 years. Google, Lyft, HP, Nike, Porsche. $250k$1M+ builds. Inc. 5000 #1601. FT Americas' Fastest Growing #131. Part of Together Group. Encinitas, CA. [... see all Metajive reviews ]- Location
- Encinitas, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $200/hr
- Portfolios Count
- 17 Projects Listed
Stimulating Innovation
We specialize in building and maintaining web applications and process solutions for a little over 20 years. [... see all EBizneeds reviews ]- Location
- Santa Clarita, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 15 Projects Listed
We Create Loveable Websites, Game-Changing Applications, Scalable and Reusable Code Under the Hood.
Bachoo studio is an award-winning web studio, dedicated to creating sophisticated and technologically advanced solutions for our clients. We offer end-to-end services, starting with concept and strategy, and continuing through design, development, QA, devops, and support. [... see all Báchoo reviews ]- Location
- El Segundo, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $49/hr
- Portfolios Count
- 17 Projects Listed
Deep tech expertise for SME
Light IT provides the following services on the global tech market:- consulting clients on IT products and services- custom product and software development- provision of resources at the clients' request- software delivery and maintenance- software quality assurance [... see all Light IT reviews ]- Location
- San Jose, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $40/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 14 Projects Listed
Reveal Your Potential Realize the Opportunities
Revealize is an Orange County based website design, software design, and development firm. [... see all Revealize reviews ]- Location
- Newport Beach, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $150/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 33 Projects Listed
Your Trustworthy Web & App Development Partner
An end to end app & web development company providing services with cutting edge technologies including AWS, React, React Native and Wordpress CMS. [... see all Perception System reviews ]- Location
- San Jose, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $25/hr
- Portfolios Count
- 7 Projects Listed
Hire World-Class Developers.
Outsource Your Software Development Services to DreamzTech, the 10 Yrs.+ Exp. Award-Winning Software Design & Development Company based in USA, UK, India & South Africa. Hire World-Class Offshore Developers at $20/HR trusted by Startups, SMBs to Fortune 500 Brands. Get a 15 Days Free Trial! [... see all DreamzTech Solutions reviews ]- Location
- San Francisco, California
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $20/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 8 Projects Listed
A disruptive development company.
Providing Chatbot, Development, and website/app solutions. If you can dream it, we can build it. Intelligent apps require brilliant design and intuitive product strategy. We analyze and design every aspect of your project to ensure that its engaging, stylish, and easy to use. [... see all Dogtown Media reviews ]- Location
- San Diego, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $140/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 11 Projects Listed
Take part in a digital transformation with us!
With a strong team of over 120 experts and developers spanning across 5 countries and headquartered in the vibrant city of New York, Jafton is a dynamic technology firm. [... see all Jafton reviews ]- Location
- Los Angeles, California
- Number of Employees
- 100 - 249
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 6 Projects Listed
AI-Enabled IT and Digital Services Company
SunTec India is an AI-enabled IT and digital services company with 25+ years of experience, 1,500+ full-time employees, 8500+ clients worldwide, and a full spectrum of IT outsourcing, data solutions, digital engineering, eCommerce support, digital marketing and photo editing services. [... see all SunTec India reviews ]- Location
- Laguna Beach, California
- Number of Employees
- 1000 & Up
- Average Hourly Rate
- $10/hr
- Portfolios Count
- 6 Projects Listed
Your Partner in WEB3 and Advanced AI for Enterprise Development
Solu Lab is a prominent company based in the USA and Canada, specializing in various cutting-edge technologies such as smart contract development, blockchain, chatbot solution, mobility, AI, and IoT development. [... see all Solu Lab reviews ]- Location
- Los Angeles, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $30/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 7 Projects Listed
Related Services in California
Mobile App Development Specializations in California
Mobile App Development Companies in California
- Anaheim
- Bakersfield
- Beverly Hills
- Burbank
- Calabasas
- California City
- Carlsbad
- Chula Vista
- Concord
- Corona
- Costa Mesa
- Culver City
- Dublin
- El Segundo
- Encinitas
- Folsom
- Fremont
- Fresno
- Glendale
- Irvine
- Laguna Beach
- Long Beach
- Los Altos
- Los Angeles
- Mountain View
- Newport Beach
- Oakland
- Ontario
- Orange County
- Palo Alto
- Pasadena
- Pleasanton
- Riverside
- Roseville
- Sacramento
- Salinas
- San Diego
- San Francisco
- San Jose
- San Mateo
- San Ramon
- Santa Ana
- Santa Barbara
- Santa Clara
- Santa Clarita
- Santa Monica
- Santa Rosa
- Sunnyvale
- Temecula
- Torrance
- Walnut
- Walnut Creek
- West Hollywood
- Westlake Village
- Woodland
About The Author and Expert Reviewer
Selina Garcia has authored 500+ articles and edited 50+ published books in economics, law, and history. Her unique blend of experiences allows her to approach content creation from a well-rounded perspective. Currently, Selina applies her expertise to producing insightful articles on IT, software, and applications for DesignRush.
Sergio is a technology leader with over six years of experience managing global teams and delivering projects across fintech, sportstech, and B2B platforms. At DesignRush, he drove product growth and development execution, building tools that speed up processes by 95% and cut costs by 35% while maintaining full uptime.
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