List of Top Mobile App Development Companies in California | Top App Developers in California | Hire App Developers in California
251 to 1000
< $25 /hr
California
India, USA
Algoworks is an awarded mobile app design and development company based out of Sunnyvale, USA & Noida, India. Since 2006 our team has won various awards and has developed 500+ apps for startups & Fortune 500 companies. We have a team of passionate techies, designers & Business Analyst who take pride in delivering quality products. Read More About Algoworks
Verified
1001 to 10,000
$51 - $100 /hr
California
USA, Germany
Vention is a leading software development company with over 20 years of experience. The company has empowered SaaS startups, product companies, and global tech leaders by delivering solutions in AI/ML, cloud computing, data analytics, DevOps, IoT, mobile, and web development. With 3,000+ engineers worldwide, Vention provides teams in aligned time zones, ensuring seamless collaboration and project success. Read More About Vention
Mobile App Dev for Sports Tracking Platform
Brent Varrall, Founder
11 to 50
$51 - $100 /hr
California
USA
AppMakers USA is a leading software development company specializing in mobile app development, web solutions, and custom software across iOS, Android, and cross-platform frameworks. We work closely with businesses of all sizes to bring their ideas to life, leveraging cutting-edge technology and innovative design. Our expert team excels in UI/UX, backend architecture, and scalable solutions tailored to your industry needs. Read More About AppMakers
Their team was on it from day one
Troy Johnson, CEO & Founder, Blippin
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51 to 250
$51 - $100 /hr
California
USA
Cheesecake Labs is a software design and engineering partner that helps you build successful tech products. We know the process and empower a multidisciplinary team of 60+ designers, engineers, and project managers to collaborate with you and deliver delightful solutions. Read More About Cheesecake Labs
51 to 250
$26 - $50 /hr
California
USA, Germany
Plavno is a premier software development house with over 20 years of experience and a highly qualified team of experts in your industry. Fully-fledged teams of specialists cover each stage of product creation, from product management and analysis to design, development, testing, and ongoing support. Read More About Plavno
Good Company
SUCHMITA BORO, Developer
251 to 1000
$26 - $50 /hr
California
USA, Canada
Meet Instinctools - a global AI-powered software engineering company with over 25 years of experience. Read More About Instinctools
IT Staff Augmentation for IT Company
Anonymous, Product Owner
251 to 1000
$26 - $50 /hr
California
India, UK
GeekyAnts is an AI-powered product engineering and consulting company helping startups, enterprises, and Fortune 500s build and scale digital products. Since 2006, we’ve delivered 800+ projects for 550+ clients across healthcare, BFSI, retail, logistics, education and enterprise tech. Offerings include AI Consulting & Transformation, AI Product Engineering, Enterprise Modernization, Digital Customer Experience. Trusted by Google, Darden, SKF, Pepperfry, MPL, ICICI Securities and WeWork. Read More About GeekyAnts
They were consistently receptive to our feedback and remained agile and flexible as our requirements evolved
AI-Powered Video Analytics Firm, CTO
51 to 250
$26 - $50 /hr
California
India, Canada
Debut Infotech is an AI-augmented blockchain and software development company founded in 2011, helping enterprises in financial services, healthcare, supply chain, and digital platforms build production-grade systems. With delivery centers across the USA, UK, Canada, and India, we combine 15 years of engineering discipline with blockchain-native expertise — serving Fortune 500 clients and high-growth startups across 25+ verticals. Read More About Debut Infotech
Debut Infotech delivered a secure, scalable CEX with great support and clear communication.
Cameron Chambers, Director of Supply Chain and Procurement at ISS Facility Services UK
51 to 250
< $25 /hr
California
USA, India
EitBiz is an enterprise digital transformation company specializing in AI development, legacy modernization, and enterprise software development. We offer mobile app development, web development, MVP development services, and custom software solutions. As an ISO 27001 and ISO 9001 certified company, we deliver secure, scalable, and high-performance digital products. Read More About EitBiz
Reliable App Development Partner
Carl Lewis, CEO
251 to 1000
$51 - $100 /hr
California
USA, United Arab Emirates
AppVerticals specializes in creating transformative digital solutions and empowering brands with cutting-edge online strategies. Known for delivering exceptional user experiences, we focus on crafting innovative products that disrupt the norm and drive success. With a commitment to excellence, AppVerticals helps businesses stand out in the digital landscape, blending creativity and strategy to elevate their presence and impact. Read More About AppVerticals
51 to 250
< $25 /hr
California
India, Australia
Tuvoc Technologies is a leading custom software development company delivering scalable, AI-driven web and mobile solutions for startups and enterprises. We specialize in AdTech, Real Estate, Healthcare, FinTech, and on-demand platforms, helping businesses automate processes, enhance user experience, and accelerate digital transformation with innovative, high-performance technology solutions. Read More About Tuvoc Technologies
51 to 250
< $25 /hr
California
India, United Arab Emirates
NipsApp Game Studios is a leading full-cycle Unity and Unreal Engine game development company specializing in cost-effective, large-scale mobile and cross-platform games for startups, indie publishers, venture-backed studios, and enterprises. Founded in 2010 and based in Trivandrum, India. Read More About NipsApp Game Studios
Game POC Dev for Game Production & Publishing Firm
Jussi Elonen, Producer
2 to 10
$26 - $50 /hr
California
UK
Unified Web Services is a web design and digital marketing agency London, dedicated to helping brands stand out. Our unique approach combines creative web design, seamless web development, and strategic digital marketing to deliver results that drive growth. From bespoke logos and eye-catching event stall designs to targeted SEO and social media management, we handle everything in-house. We don’t just create websites; we build engaging digital experiences tailored to each client’s vision. Read More About Unified Web Services
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2 to 10
$151 - $200 /hr
California
USA
Since 2009, Eight Bit Studios has propelled a stellar fleet of startups and Fortune 500s through the app space. With our AI-assisted UX/UI design, Flutter & Rails development, and Fractional CTO & Design Leadership, we're redefining how apps are built. Read More About Eight Bit Studios
51 to 250
$101 - $150 /hr
California
United Arab Emirates
Accelerate your growth with Teqnovos — hire dedicated mobile app developers and bring your vision to life today! Read More About Teqnovos
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Top Mobile App Development Companies in New York - May, 2026 | Rightfirms
