We’ve researched and ranked the best California HTML5 mobile app development agencies that build sophisticated and high-quality apps that help brands drive more loyal customers and sales. Compare listings by past work, reviews, cost and size to pick the best fit for you.
Organic rankings are determined by five factors: top services, reviews, portfolio, awards/press, and team expertise. Sponsored listings pay for a placement that appears above organic positions. Sponsorship does not affect star ratings or review content - read more on our methodology page.
BitsWits guarantees app delivery in 4 weeks, building native iOS and Android apps alongside Flutter, React Native, AR/VR, blockchain, and mobile game solutions. With 10+ years in business, it has launched 1,200+ successful projects, served 100+ global clients, and won a Horizon Interactive Gold Award...
Top Services:
- Mobile App Development
- Software Development
- VR/AR
- Blockchain
- AI Development
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- Location
- Los Angeles, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 12 Projects Listed
Award-winning USA-based Generative-AI consultancy developing the future of intelligent solutions. We revolutionize business with cutting-edge, responsive AI technologies delivered cost-effectively, and specialize in delivering projects on-time and within budget...
Top Services:
- AI Development
- Web Development
- Software Development
- Mobile App Development
- Blockchain
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- Location
- Los Angeles, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 5 Projects Listed
A leading mobile app development company with 18+ years of experience, Essential Designs offers expertise in planning, wireframing, design, code, testing, and deployment. Led by a team of 32+ senior developers, it has driven measurable growth for clients like Honeywell, AWS, and Shopify...
Top Services:
- Software Development
- Mobile App Development
- UI/UX Design
- Web Development
- IT Services
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- Location
- Los Angeles, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 21 Projects Listed
Empowering California Businesses with Bespoke Web Design and Development Services...
Top Services:
- Web Development
- eCommerce Development
- WordPress Website Design
- Mobile App Development
- Software Development
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- 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
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...
Top Services:
- Graphic Design
- Logo Design
- Web Design
- Web Development
- WordPress Website Design
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- Location
- Los Angeles, California
- Number of Employees
- Under 49
- Portfolios Count
- 4 Projects Listed
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...
Top Services:
- Web Development
- Social Media Marketing
- SEO
- PPC
- IT Services
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- Location
- San Clemente, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $10/hr
- Minimal Budget
- Under $1,000
- Portfolios Count
- 101 Projects Listed
Solveit
Award WinnerRecipient of a Best Design Award for outstanding work.We design and develop top-rated mobile and web apps for startups and SMEs. E-commerce, Healthcare, Marketplaces, and more. Our clients rate us for 5 out 5 - check out why!...
Top Services:
- Mobile App Development
- Software Development
- Web Design
- Design Services
- AI Development
- Show more
- Location
- San Francisco, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $45/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 32 Projects Listed
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...
Top Services:
- Mobile App Development
- Software Development
- Web Development
- AI Development
- Web Design
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- Location
- Irvine, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $125/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 10 Projects Listed
Smoking Chimney
Award WinnerRecipient of a Best Design Award for outstanding work.We help ambitious brands leverage video, ad & brand films, branding, UI/UX design, and full-service creative solutions to achieve rapid growth seamless experiences, intuitive results...
Top Services:
- Video Production
- Web Design
- Design Services
- Branding
- Logo Design
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- Location
- San Francisco, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $20/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 5 Projects Listed
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...
Top Services:
- eCommerce Development
- Web Design
- UI/UX Design
- Web Development
- AI Development
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- Location
- Encinitas, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $200/hr
- Portfolios Count
- 17 Projects Listed
Zignuts Technolab is a top-rated Web and On-demand Mobile App development company in the USA, Germany, and India. We strive to excel in the invention and development of the industry’s most advanced technologies. We will help you to make your digital dreams in on your hand...
Top Services:
- Software Development
- Web Design
- Web Development
- AI Development
- Mobile App Development
- Show more
- Location
- San Francisco, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $25/hr
- Portfolios Count
- 1 Project Listed
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...
Top Services:
- Web Design
- Web Development
- eCommerce Development
- WordPress Website Design
- Branding
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- Location
- El Segundo, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $49/hr
- Portfolios Count
- 17 Projects Listed
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...
Top Services:
- Mobile App Development
- UI/UX Design
- Web Development
- Software Testing
- Software Development
- Show more
- 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
If we break down the essence of Luminoguru, it is made up of two words: 'Lumino' meaning 'Light' and 'Guru' meaning 'Teacher'. In the realm of work, light symbolizes clarity and inspiration. Like a guiding beacon, it lightens up ideas, nurtures creativity, and transforms the workspace into a realm where...
Top Services:
- Mobile App Development
- Software Development
- Web Development
- eCommerce Development
- IoT
- Show more
- Location
- Nevada City, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $20/hr
- Minimal Budget
- $1,000 - $10,000
Seasia Infotech is a global AI-powered digital engineering company with 25+ years of experience delivering custom software, AI solutions, cloud applications, mobile apps, and enterprise platforms. We help businesses accelerate innovation, improve efficiency, and drive digital transformation...
Top Services:
- Software Development
- Mobile App Development
- Web Development
- AI Development
- Big Data Analytics
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- Location
- Emeryville, California
- Number of Employees
- 500 - 999
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 65 Projects Listed
Techcronus Business Solutions is a global provider of enterprise business solutions and modern-day technology services...
Top Services:
- Mobile App Development
- Web Development
- PPC
- SEO
- UI/UX Design
- Show more
- Location
- Los Angeles, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $25/hr
- Portfolios Count
- 14 Projects Listed
Exadel is a leading global consulting and engineering company that delivers technology transformation to help customers become digital leaders in their industries...
Top Services:
- Software Development
- AI Development
- IT Services
- Big Data Analytics
- Business Consulting
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- Location
- Walnut Creek, California
- Number of Employees
- 1000 & Up
- Portfolios Count
- 6 Projects Listed
Double Coconut is a San Franciscobased boutique game development studio founded in 2012. The agency specializes in full-service game design and co-developmentfrom casual mobile and web titles to casino, mid-core, and Web3 games. Their projects have reached over 5 million players and generated...
Top Services:
- Software Development
- Web Design
- Mobile App Development
- Blockchain
- Show more
- Location
- San Francisco, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 8 Projects Listed
Signature Creative is a Los Angeles based digital product and design agency founded in 2004. With a lean, senior-led team, they specialize in transforming brands through a combination of award-winning branding, UX/UI, creative technology, and full-stack development. The firm partners with Fortune 500s...
Top Services:
- Branding
- Graphic Design
- Social Media Marketing
- Creative Services
- Design Services
- Show more
- Location
- Los Angeles, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $200/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 12 Projects Listed
NEKLO is an international custom software development partner. Since 2008, weve specialized in building and scaling digital products for high-stakes industries, including Healthcare, Fintech, Energy, and Construction...
Top Services:
- AI Development
- Software Development
- Mobile App Development
- Product Design
- Software Testing
- Show more
- Location
- Burlingame, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $35/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 4 Projects Listed
Our Yourshore model is intentionally designed to give you the very best remote engineering solution that solves for all the usual pain points that plague traditional offshore vendors...
Top Services:
- Software Development
- HR Outsourcing
- Location
- Menlo Park, California
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $25,000 - $50,000
Trusted by clients from around the world, Ikigai has been standing out for over decade...
Top Services:
- Web Development
- Mobile App Development
- Branding
- Creative Services
- SEO
- Show more
- Location
- Los Angeles, California
- Number of Employees
- Under 49
An Immersive Media Agency specializing in the development of Extended Reality (XR, AR, VR, MR) experiences driving meaningful connections between brands & consumers. Our global team of skilled designers, artists, and developers craft creative narratives & experiences powered by emerging tech...
Top Services:
- VR/AR
- Web Development
- Mobile App Development
- Product Design
- Web Design
- Show more
- Location
- Culver City, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $200/hr
- Minimal Budget
- $10,000 - $25,000
Persistent Systems, a renowned global leader in software product development and technology services. Delve into our innovative offerings to stay ahead in the ever-evolving landscape of technology...
Top Services:
- AI Development
- Software Development
- Web Development
- Mobile App Development
- Blockchain
- Show more
- Location
- Santa Clara, California
- Number of Employees
- 1000 & Up
- Average Hourly Rate
- $100/hr
- Minimal Budget
- $50,000 & Up
Appingine is a top app development company in the U.S., known for turning bold ideas into powerful mobile experiences. We create award-winning apps that consistently earn recognition and visibility on the App Store and Google Play. Our team is dedicated to delivering high-quality, user-focused solutions that...
Top Services:
- Mobile App Development
- AI Development
- VR/AR
- Web Development
- Blockchain
- Show more
- Location
- Los Angeles, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $35/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 6 Projects Listed
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