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 vets all agencies based on professional qualifications and verified customer feedback to help you choose confidently. Some featured agencies maintain paid sponsorships.
Lightning-Fast AI, Cloud & Cybersecurity Solutions
Zazmic has been at the forefront of AI/ML and software development innovation for over a decade. Today, we continue to lead the charge as the Google Cloud Premier partner and a top provider of Gen AI, cybersecurity, and cloud services. Design, architecture, top-tier engineering we have it all. [... view Zazmic profile ]- Location
- San Francisco, California
- Number of Employees
- 500 - 999
- Average Hourly Rate
- $49/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 1 Project Listed
Your Technology Partner
SISGAIN Technologies is a leading software development company specializing in Remote Patient Monitoring (RPM) software, healthcare app development, and restaurant POS systems. With a focus on cutting-edge technology, SISGAIN delivers tailored digital solutions that drive growth and enhance user engagement [... view SISGAIN Technologies profile ]- Location
- Ontario, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $15/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 1 Project Listed
Powering The Future Of Digital
CateNET Solutions is a Los Angeles based digital agency delivering high-performance web, mobile, and cloud solutions for modern businesses. We specialize in building secure, scalable systems with sleek UI and flawless UX. From custom development to branding and SEO, we turn your ideas into reliable [... view CateNET Solutions profile ]- Location
- Los Angeles, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $65/hr
- Minimal Budget
- Under $1,000
- Portfolios Count
- 1 Project Listed
Listen. Create. Reimagine.
Proximity Lab is a digital product design firm with deep experience creating modern, customer-centered applications. We specialize in UX research, strategy and design. [... view Proximity Lab profile ]- Location
- San Francisco, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $200/hr
- Minimal Budget
- $50,000 & Up
- Room 8 Studio is a 360-degree art studio that supports the worlds largest developers of games and game-based solutions by producing everything from look development to final in-game integration for PC, console, and mobile. Room 8 Studio is part of Room 8 Group. [... view Room 8 Studio profile ]
- Location
- Los Angeles, California
- Number of Employees
- 250 - 499
- Minimal Budget
- $1,000 - $10,000
Secure Software for Public Impact
Whether you are a startup or a well-established business in need of a digital solution, we have you covered. Our team wants you to succeed. Codistry has the experience and talent to design and implement a solution that meets your needs and exceeds your expectation. Our team will then work with you side to [... view Codistry profile ]- Location
- Los Angeles, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $150/hr
- Minimal Budget
- $10,000 - $25,000
We build digital products that power business
Tivix is a software development firm headquartered in San Francisco, with additional offices in New York City, Europe (London + Wroclaw), India (Gurgaon) and the Pacific Northwest (Portland). [... view Tivix profile ]- Location
- San Francisco, California
- Number of Employees
- 100 - 249
Technology Built for Your Vision
Visual Impact Tech. Inc Provides Software Solutions for Complex Problems. [... view Visual Impact Technologies profile ]- Location
- Fresno, California
- Number of Employees
- Under 49
A complete mobile solutions provider
At VezTek USA, we turn your app ideas into reality! Our Los Angeles-based mobile app developers have been propelling the world’s leading enterprises and most innovative startups to success with hundreds of remarkable web and apps. Whatever iOS or Android project you need help navigating - from a business [... view VezTek USA profile ]- Location
- Los Angeles, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $149/hr
STRV - Elevating digital products to the next level since 2004.
STRV is a team of over 200 experts specializing in software design and engineering. Since 2004, we have developed mobile and web solutions for a wide range of partners, including Porsche, Microsoft, Barnes & Noble, ClassDojo, The Athletic, Barry’s, Autodesk, and many more. [... view STRV profile ]- Location
- San Francisco, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $149/hr
- Minimal Budget
- $50,000 & Up
Building High-Quality SaaS Products
We are on a mission to assist companies like yours in massively scaling by utilizing software & technology as your key competitive advantage. [... view HyperTrends Global profile ]- Location
- San Diego, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $199/hr
- Minimal Budget
- $50,000 & Up
Tailored Software Development Solutions
We offer the best software development services for companies of all sizes, including mobile app development, SaaS platforms, cloud-based services, and more. [... view Kromeon profile ]- Location
- Solana Beach, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $99/hr
- Minimal Budget
- $50,000 & Up
Consulting and software development for brands
Preezma is a leading software development company located in Eastern Europe, providing exceptional service to our partners worldwide. We pride ourselves on delivering high-quality results, thanks in large part to our successful long-term partnerships. Since 2013, we have successfully completed over 150 [... view Preezma profile ]- Location
- Palo Alto, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $99/hr
- Minimal Budget
- $50,000 & Up
Team Of Expert Engineers
A group of skilled and committed software engineers, data engineers, and IT consultants make up BDIT. [... view BDIT Engineering profile ]- Location
- San Francisco, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $49/hr
- Minimal Budget
- $10,000 - $25,000
Turning Your Ideas Into Digital Products
We approach software development from a results-driven perspective. This means that every product we create is intended to help your company expand in some way. [... view WebtrixPro profile ]- Location
- San Diego, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $149/hr
- Minimal Budget
- $10,000 - $25,000
Custom Software Development, AI, and Resourcing Solutions On Demand
We provide clients with both onshore and nearshore teams, with software developers and designers spread out across the United States and Latin America. [... view FullStack Labs profile ]- Location
- Granite Bay, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $49/hr
- Minimal Budget
- $25,000 - $50,000
We Put the Exponential Power of Immersive Learning in Your Hands.
At Talespin, we are dedicated to creating immersive tech solutions that will shape the future of business. Our focus is on building a foundation for the age of experience by discovering, developing, and deploying new immersive mediums such as Virtual Reality, Augmented Reality, and Mixed Reality. [... view Talespin profile ]- Location
- Culver City, California
- Number of Employees
- Under 49
- Minimal Budget
- $50,000 & Up
Strong Solutions for Industry Leaders.
Yeti is a San Francisco-based product development and design firm that partners with industry leaders to stay ahead of the competition. Our agile approach enables us to research, prototype, and test products fast and frequently, avoiding potential snags in the development process. We work closely with our [... view Yeti profile ]- Location
- Truckee, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $199/hr
- Minimal Budget
- $25,000 - $50,000
Unparalleled expertise with every project
Belatrix, a division of Globant, boasts decades of technology experience and offers world-class outsourcing services for both established global brands and up-and-coming startups alike. Their top-tier teams and talented individuals are the go-to choice for businesses looking to stay ahead of the curve in [... view Belatrix profile ]- Location
- San Francisco, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $99/hr
- Minimal Budget
- $1,000 - $10,000
A Talented Offshore Development Team
YouTeam is a revolutionary platform that enables businesses to build dedicated software development teams within 48 hours. Our expansive network of 400+ vetted dev shops, spanning 35 countries and three layers of independent skills verification via HackerRank for Work provide clients with unprecedented access [... view YouTeam profile ]- Location
- San Francisco, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $99/hr
- Minimal Budget
- $1,000 - $10,000
Eliable Software Engineering Partner Your Company Deserves.
OhShift is the trustworthy partner in software engineering what your business needs.We provide solutions, platforms, and applications that are supported by our tailored agile methodology, sound engineering standards, and trustworthy partners. [... view OhShift profile ]- Location
- Hermosa Beach, California
- Number of Employees
- Under 49
- Minimal Budget
- $1,000 - $10,000
Experienced Multidisciplinary Designer.
Hey there! My name is Nigel Yoshida, I'm a UX/UI/Web Designer with almost two decades of experience for creating meaningful experiences through design. [... view Nigel Yoshida profile ]- Location
- Fullerton, California
- Number of Employees
- Under 49
Compelling Design Meets Robust Usability.
Since 2003 we have developed bespoke websites and mobile apps for industry, government, and non-profits. From the beginning, our philosophy has been that everything we build must combine compelling design with high usability and robust security. [... view Handmade Interactive LLC profile ]- Location
- Pasadena, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $75/hr
- Minimal Budget
- $1,000 - $10,000
Design Driven Technology Innovations
As a leading digital transformation services company, we harness the potential of Artificial Intelligence, Cloud, IoT, Robotics, Data Analytics, and other Emerging Technologies. As the best IT solutions services agency, we are a global technology provider who assists businesses to accelerate their digital [... view Terralogic profile ]- Location
- San Jose, California
- Number of Employees
- Under 49
Redesigning and Modernizing Software and Applications.
Iteration Group is a boutique product-strategy and user-experience consultancy founded in 2011. The agency partners with startups, well-capitalized ventures, consumer brands, and enterprises to deliver purposeful product design from UX/UI strategy and wireframes to functional prototypes and scalable app [... view Iteration Group profile ]- Location
- Westlake Village, California
- Number of Employees
- Under 49
Empower Your Business through Transformative IT Services.
United Techno is a global IT-services and consulting firm offering data management & AI solutions, application modernization, cloud & legacy-system modernization, integration, QA/testing, and digital transformation helping businesses across retail, logistics, life sciences, e-commerce and other sectors [... view United Techno profile ]- Location
- Pleasanton, California
- Number of Employees
- 250 - 499
Canadas Trusted Partner
iQlance Solutions Canada is a global technology service provider specializing in delivering advanced digital products tailored to modern business needs. The company focuses on building scalable, secure, and high-performance solutions, helping organizations turn their ideas into successful digital platforms. [... view IQlance Solutions Canada profile ]- Location
- Ontario, California
- Number of Employees
- 50 - 99
- Minimal Budget
- $10,000 - $25,000
Our Creative Portfolio Smarter Results Across the Web.
Design Sketchers is a comprehensive digital marketing service provider, dedicated to transforming your vision of online presence into a remarkable reality. Our emphasis lies in cultivating robust customer engagement strategies, ensuring an impactful and immersive online experience for your audience. [... view Design Sketchers profile ]- Location
- Modesto, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $1000/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 2 Projects Listed
Rocket your business forward with our expertise.
Rocket Systems is focused on producing high-quality code, we take extra precautions to ensure that our technological approach is congruent with the ambitions of our customers. Additionally, we strive to create code bases that are both scalable and easily maintained. In order to construct a digital product [... view Rocket Systems profile ]- Location
- Sacramento, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $10,000 - $25,000
Make Art That Doesn't Waste Time
Geletka+ is an full-service, independent, creative-first agency based in Chicago. We help brands move faster and make a bigger impact by cutting unnecessary process and building integrated teams around the work that matters most. [... view Geletka+ profile ]- Location
- Santa Monica, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $175/hr
- Minimal Budget
- $25,000 - $50,000
Cutting-Edge Web, Software & AI Development Company
TechVerdi a cutting-edge development company offering web, software, mobile app, and AI solutions to create scalable, innovative solutions for businesses. [... view TechVerdi profile ]- Location
- Santa Clara, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $20/hr
- Portfolios Count
- 1 Project Listed
Helping Tech Startups, Entrepreneurs and Enterprises Build World-Class Products
We design, develop and deliver high-tech bespoke software solutions for SMEs, Enterprises, Funded Startups and Ventures. [... view Commit Labs LLC profile ]- Location
- Dublin, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 1 Project Listed
Accelerating Business Growth Through Technology
Kaaspro Solutions is a full-stack IT and product engineering company helping businesses accelerate digital transformation. We specialize in custom software, HRMS & payroll platforms, mobile & web apps, cloud solutions, and AI-driven innovations to build scalable, reliable, and future-ready technology. [... view Kaaspro profile ]- Location
- Menlo Park, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $1,000 - $10,000
Changing the Future Helping You Evolve
Dr Developers is a full-service web design and development agency specializing in prototyping, strategy, and full stack development. We have undertaken terrific projects for industries such as e-commerce, healthcare, education, banking and finance, marketing, publishing and communications. [... view Dr Developers profile ]- Location
- Sacramento, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $30/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 2 Projects Listed
Software Solutions Simplified
As a software services firm, delivering excellence is our mission. We offer development services through specialized teams segmented through our various brands. ​Whether that is app or website development, WordPress, Open Source, Billing, or E-commerce; we​ deliver what we promise. We have simplified the [... view NEXTWERK profile ]- Location
- Carlsbad, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $15/hr
- Minimal Budget
- Under $1,000
Innovative Software Development
TopDevz is an innovative software development and technology delivery partner that brings your ideas and visions to life quickly and cost-effectively by giving you direct access to elite software development experts located throughout the United States and Canada who are rated at the top 1% of their skill [... view TopDevz profile ]- Location
- Sacramento, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $145/hr
- Minimal Budget
- $25,000 - $50,000
Understand your code at every level
Crowdbotics provides a rapid and efficient way to develop high-quality apps, features, integrations, and more for businesses. [... view Crowdbotics profile ]- Location
- Berkeley, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $99/hr
- Minimal Budget
- $10,000 - $25,000
VR and AR specialists in mobile & frontend
We serve as a strategic partner for our clients, providing expertise in mobile development, VR, AR, portal, and back-end IT systems. Our services encompass the entire delivery process, from UX/UI design to final product delivery, and we guide our clients through the design and development journey. [... view Cleverlance profile ]- Location
- Palo Alto, California
- Number of Employees
- 500 - 999
- Average Hourly Rate
- $99/hr
- Minimal Budget
- $25,000 - $50,000
Intelligent solutions for competitive advantage
We are seasoned business owners, product managers, project managers, and software engineers who are committed to assisting you in expanding your company. [... view Serious Development profile ]- Location
- Pasadena, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $99/hr
- Minimal Budget
- $10,000 - $25,000
Mobile reliability guaranteed
Design and Test Lab places the development of reliable mobile applications at the forefront of its priorities through the Mature Mobile Reliability Standard. However, we do not merely focus on writing code, we assist clients in building superior products by walking with them every step of the way, refining [... view Design And Test Lab profile ]- Location
- San Francisco, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $49/hr
- Minimal Budget
- $1,000 - $10,000
High-Quality Development Team
Technicate studies concepts and develops the product from the ground up, from simple ideas to effective applications. We immediately transform into your dependable, quick, high-quality development team. [... view Technicate Solutions profile ]- Location
- Rancho Cordova, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $149/hr
- Minimal Budget
- $1,000 - $10,000
Craft experiences that touch hearts and move markets
Frog (part of CapgeminiInvent) is a global creative and design consultancy founded in 1969 and headquartered in San Francisco. With over 2,000 employees and studios in North America, Europe, and Asia, Frog fuses strategy, design, data and technology to reimagine products, services and businesses. The firm [... view Frog profile ]- Location
- San Francisco, California
- Number of Employees
- 1000 & Up
AI-native Engineering. Enterprise-grade Results
Paradigm provides custom low-code software solutions. Our commitment is to empower organizations with the tools they need to streamline processes, automate tasks, and scale operations efficiently. Through a fusion of expert development and a deep understanding of our clients' unique challenges, we aim to be [... view Paradigm Solutions profile ]- Location
- Temecula, California
- Number of Employees
- Under 49
- Minimal Budget
- $1,000 - $10,000
Precision Discipline Delivery
Luvina is a well-known software outsourcing business that specializes in providing clients all around the world with excellent IT solutions. With a dedicated team of more than 750Â experts, Luvina provides comprehensive software development services that are customized to each client's specific needs. Luvina [... view Luvina Software profile ]- Location
- San Jose, California
- Number of Employees
- 500 - 999
- Average Hourly Rate
- $25/hr
Accelerating Progress Through Technology
We can extend your team, expand your products and innovate your current technology. [... view ArkusNexus profile ]- Location
- San Diego, California
- Number of Employees
- 500 - 999
- Average Hourly Rate
- $100/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 2 Projects Listed
Building the new era of digital growth
Nova Era is a digital solutions agency built to merge creativity with innovation, offering web and app design, development, video production, automation, and customized AI tools. The focus is always on building smarter systems that help businesses work seamlessly and communicate with impact.What defines the [... view Nova Era Agency profile ]- Location
- San Francisco, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $149/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 2 Projects Listed
Inspired by Technology
Hawkwinds is a leading Custom software development company specialized in Fantasy Sports, Social network and AI. We build the world’s best fantasy sports software & Social network solutions. Get in touch with us today. [... view Halkwinds profile ]- Location
- Hayward, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $30/hr
- Minimal Budget
- $1,000 - $10,000
Helping you release great, amazing products!
QualityLogic is a US-based software and QA testing company with over 35 years of experience. It has successfully completed more than 6,000 programs with a team of over 200 QA engineers and QA test techs, offering turnkey testing solutions. [... view QualityLogic profile ]- Location
- Simi Valley, California
- Number of Employees
- 100 - 249
Inspired IT Solutions
Inspironix provides custom web data system development, and InspiroScan, a high quality, cost effective bubble form solution. Inspironix specializes in serving apprenticeships, K-12 education, higher education, public agencies, and emergency medical services. [... view Inspironix, Inc. profile ]- Location
- Sacramento, California
- Number of Employees
- Under 49
Capturing Reality To Design The Future
ScanTek 3D is a San Diego-based Design & Engineering Firm that develops and enables leading edge lidar solutions that allow for high-precision 3D capture, measurement and analysis across a variety of industries, including manufacturing, construction, engineering and public safety. Our team of experts lead the [... view ScanTek profile ]- Location
- San Diego, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $105/hr
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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