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Top Mobile App Development Companies in California

Are you looking for a top mobile app development company in California?

There are thousands of companies in California which makes it the tech-centric brain pool of the world. Searching and finding a suitable project partner from the crowd suiting flexible business needs is difficult for startups & entrepreneurs.

RightFirms has prepared a list of expert app development companies in California with great reviews and ratings to make project collaborations easier for your business. We empower companies to forge a partnership with world-class companies and take a huge leap in business.

How this list is built: This list is prepared using multiple trust and relevance signals, including profile completeness, service expertise, reviews and review freshness, external business signals, and selected signals reviewed by the RightFirms research team. We regularly review these signals and update our listings to help buyers discover credible and relevant partners. Learn more about our methodology

List of Top Mobile App Development Companies in California | Top App Developers in California | Hire App Developers in California
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Custom Software Development. Innovation Strategy.

4.0★★★★★4.0 / 5
Employees51 to 250
Avg. hourly rate$51 - $100 /hr
Focus AreaMobile App Development
LocationUSA

SF AppWorks is a digital innovation agency that helps people, companies, and organizations create positive change in their customers' lives through data and better digital experiences. We work with innovation, technology, product, and marketing teams to identify areas of focus, ideate and design solutions, prototype and build experiences, and test, iterate, improve, and scale those solutions.Read More About SF AppWorks

Build it Right the First Time

3.9★★★★★3.9 / 5
Employees11 to 50
Avg. hourly rate$101 - $150 /hr
Focus AreaMobile App Development
LocationUSA

Goji Labs is a boutique app development studio with offices in Los Angeles and New York City. We are product and technology experts and specialize in reducing risk on behalf of our partners when bringing new software ventures to market.Read More About Goji Labs

We Elevate Brands

3.6★★★★★3.6 / 5
Employees2 to 10
Avg. hourly rate$51 - $100 /hr
Focus AreaMobile App Development
LocationUSA

We are a product design company. We are a team of UI/UX designers, product designers, full-stack developers, and ex-founders of companies, each rigorously hand-picked for the qualities that contribute most to product success. Together, we build web and mobile apps that solve our clients’ problems in the most multidisciplinary and innovative ways possible.Read More About Topflight Apps

Empat — we build stuff that actually works

3.5★★★★★3.5 / 5
Employees51 to 250
Avg. hourly rate$26 - $50 /hr
Focus AreaMobile App Development
LocationUK, USA

Empat delivers full-cycle software development, grounded in research, empathy, and technical excellence — from system architecture and engineering to UI/UX and go-to-market strategies. Since 2013, we've delivered over 300 digital products across 17 countries, empowering brands such as Porsche, Panasonic, Transparency International, Heinemann, CBRE, and dozens of ambitious startups and scale-ups.Read More About Empat

Creating the Mobile Future

4.6★★★★★4.6 / 5
Employees11 to 50
Avg. hourly rate$101 - $150 /hr
Focus AreaMobile App Development
LocationUSA

Dogtown Media is a disruptive mobile app development company creating cutting edge apps to solve everyday problems, simplify frustrating activities, and bring endless enjoyment into the palm of your hand. Founded by a team of hardened tech veterans familiar with the twists and turns of app development, we pride ourselves on professionalism and perfectionism to design, program, and deploy top tier mobile apps.Read More About Dogtown Media

Blockchain | IoT | Mobility | AI | Big Data

4.1★★★★★4.1 / 5
Employees51 to 250
Avg. hourly rate$26 - $50 /hr
Focus AreaMobile App Development
LocationIndia, USA

Solulab is a Digital & Technological solution provider with the upper hand in blockchain, AI, IoT, mobile app and web development. We are recognized as number one global enterprise blockchain development company.Read More About SoluLab

Solving your tech challenges

3.9★★★★★3.9 / 5
Employees51 to 250
Avg. hourly rate$101 - $150 /hr
Focus AreaMobile App Development
LocationUSA

VentureDevs is a leading software development firm providing digital product strategy, team augmentation, design, and development services to top startups and global enterprises. From hiring top-tier talent and managing tech teams to developing bespoke software, we take the legwork out of building digital products. We help our clients remain agile through every facet of their growth, and in turn, we save them time, money, and countless logistical headaches.Read More About VentureDevs

We make a difference

4.8★★★★★4.8 / 5(17 reviews)
Employees51 to 250
Avg. hourly rate< $25 /hr
Focus AreaMobile App Development
LocationUSA, India

At Differenz System, we focus on providing a variety of web and app development solutions that have positively impacted our client's productivity and profitability. Our company is built on the foundation of three points: high performance, high productivity, and a healthy and energizing work environment.Read More About Differenz System

5.0

“They exemplified excellent customer service.”

Jem Noble, Artist, Noble Studio
GeekyAnts
RightFirms reviewed this company’s profile, work, reviews, clientele, and public trust signals.

AI Digital Product Engineering & Consulting Firm

4.9★★★★★4.9 / 5(9 reviews)
Online
Employees251 to 1000
Avg. hourly rate$26 - $50 /hr
Focus AreaMobile App Development
LocationIndia, USA

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

4.6

“They were consistently receptive to our feedback and remained agile and flexible as our requirements evolved”

AI-Powered Video Analytics Firm, CTO
Protonshub Technologies
RightFirms reviewed this company’s profile, work, reviews, clientele, and public trust signals.

Creating new dimensions

4.9★★★★★4.9 / 5(3 reviews)
Online
Employees51 to 250
Avg. hourly rate$26 - $50 /hr
Focus AreaMobile App Development
LocationIndia, USA

Protonshub is a custom software development company for new-age businesses. Our team works with organizations across the globe to design and deliver exceptional digital experiences.Read More About Protonshub Technologies

5.0

“Working with Protonshub Technologies was seamless; they delivered timely, high-quality”

Ravimohan Mishra, CEO & Co-Founder
Intellectsoft
RightFirms reviewed this company’s profile, work, reviews, clientele, and public trust signals.

Engineering Your Vision

4.9★★★★★4.9 / 5(2 reviews)
Employees51 to 250
Avg. hourly rate$51 - $100 /hr
Focus AreaMobile App Development
LocationUSA, UK

Intellectsoft is a global digital transformation consultancy, accelerating technology adoption, solving complex digital challenges, and driving innovation. Recognized as a top B2B software development firm in 2021, they've experienced significant growth, offering strategic IT consulting, CX design, custom software development, and full project lifecycle support.Read More About Intellectsoft

5.0

“They are outstanding at project management”

Michele Featherston, Director of Project Management

Where Ideas Become Iconic Apps

3.9★★★★★3.9 / 5(2 reviews)
Employees51 to 250
Avg. hourly rate$26 - $50 /hr
Focus AreaMobile App Development
LocationUSA

Appingine is a leading Mobile & Web App Development Company that provides Custom App & Web Development as well as Marketing Solutions for all major Mobile, Web and Game App Development platforms including iOS, Android, Windows, Gaming and Social Media platforms.Read More About Appingine

5.0

“Reliable Team and Quality Results”

Brandon Walker, Business OwnerVerified review

Fueled builds websites, apps, and content platforms

4.6★★★★★4.6 / 5
Employees251 to 1000
Avg. hourly rate$151 - $200 /hr
Focus AreaMobile App Development
LocationUSA, UK

Fueled builds websites, apps, and content platforms that connect, convert, and scale beyond launch. We combine strategy, design, and engineering to create systems that drive measurable business outcomes, not just deliverables.Read More About Fueled

"Creating Values For Innovative Ideas"

4.1★★★★★4.1 / 5
Employees51 to 250
Avg. hourly rate< $25 /hr
Focus AreaMobile App Development
LocationIndia, USA

Appventurez is a leading Software Development company which was established with a motto of imparting end-to-end technology-oriented services to all large and small businesses and bestow enormously in enhancing their overall business lifecycle. We have a team of highly skilled professionals having 9+ years of hands-on experience in Web and Mobile development.Read More About Appventurez

Digital Product Agency with Enterprise Experience

4.0★★★★★4.0 / 5
Employees251 to 1000
Avg. hourly rate$26 - $50 /hr
Focus AreaMobile App Development
LocationIndia, Australia

With a talented team of 400+ engineers, project managers and leaders, we excel in providing top-notch award winning solutions. Seeing the clients passionate about their idea makes us excited. We always look for new ways to provide solutions and create a better product.Read More About IndiaNIC

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