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
885 Companies - Rankings updated: April 26, 2026
DesignRush vets all agencies based on professional qualifications and verified customer feedback to help you choose confidently. Some featured agencies maintain paid sponsorships.
Building extraordinary software
Odyssey Computing is an industry leading custom software development company based in San Diego, CA. As a top app development company, we specialize in mobile and web app design and development, including enterprise solutions. Since our founding in 1990, our focus has been to provide solid, functional, custom [... view Odyssey Computing profile ]- Location
- San Diego, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $125/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 4 Projects Listed
Playground for Business Innovation
Fibonalabs deploys technology to unveil value-oriented processes and craft innovative solutions for every business. From offering world-class user experience and digital product development to implementing strategy and technology, we help you gain a sharp competitive edge in the industry. [... view Fibonalabs profile ]- Location
- Long Beach, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $50/hr
- Portfolios Count
- 7 Projects Listed
We Are Here To Focus On Your IT Needs, Freeing You To Grow Your Business.
Caldiatechā¢ has over 50 years of combined experience creating custom software solutions, robust mobile applications, cutting-edge web design, SEO (search engine optimization)and SMO (social media optimization). [... see all Caldiatech reviews ]- Location
- San Diego, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 3 Projects Listed
Transforming Organizations Through Creativity
Our mission is to unleash the untapped potential of businesses by harnessing the power of design and technology. Through our innovative approach, we identify and capitalize on valuable business opportunities, propelling organizations toward growth and success. [... see all Edenspiekermann reviews ]- Location
- Los Angeles, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $250/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 3 Projects Listed
A Full Stack Mobile App and Web Development Agency
Moveo believes mobile apps are disruptive pieces of technology that have the capacity to make your business more profitable. We see apps as growth accelerators that help leverage hidden business potential to generate more revenue and increase profits. [... view Moveo Apps profile ]- Location
- San Diego, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $1,000 - $10,000
Transforming Ideas into Impactful Digital Solutions.
Rivo Agency is a leading custom software development firm dedicated to delivering innovative web and mobile solutions. With a focus on industries like healthcare, e-commerce, and construction, our expert team harnesses the latest technologies to create secure, scalable applications that drive business [... see all RivŠ¾ Agency reviews ]- Location
- Citrus Heights, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $45/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 2 Projects Listed
Its On Media | Web and Mobile App Development Agency
Its On Media is a leading web and mobile app development agency, specializing in innovative app design, development, and seamless digital transformation. [... see all Its On Media reviews ]- Location
- Fresno, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $30/hr
- Portfolios Count
- 4 Projects Listed
Launch Your Next Big Idea With Us!
Inizio stands at the forefront of cross-platform mobile app development, delivering state-of-the-art software solutions tailored for both iOS and Android devices. Our collaboration boasts expertise from serving US startups to Fortune 50 companies, with specialties ranging from web and mobile development to [... view Inizio profile ]- Location
- San Jose, California
- Number of Employees
- Under 49
- Portfolios Count
- 5 Projects Listed
Deploy Dream Applications From Scratch
Our team of over 200 IT experts and engineers harness the power of contemporary technologies, advanced frameworks, and innovative methodologies to deliver unmatched and top-notch outsourced services from India. [... view ThinkSys profile ]- Location
- Sunnyvale, California
- Number of Employees
- 100 - 249
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 4 Projects Listed
Modern Times, Modern Measures. We Call It the Wizeline Way.
Wizeline is a recognized global leader for on-point, outsourced design and technology services. Headquartered in San Francisco, the firm provides optimal data leverage, new market capitalization, product development, and much more. More than 10 million people use Wizeline products every day. [... view Wizeline profile ]- Location
- San Francisco, California
- Number of Employees
- 500 - 999
- Average Hourly Rate
- $100/hr
- Minimal Budget
- $25,000 - $50,000
Co-Creating a SMART Future
Engineering customer-centric solutions through trusted relationships & technology that bridge the legacy of the past with the landscape of the future. [... view IBA Group profile ]- Location
- San Jose, California
- Number of Employees
- 1000 & Up
- Average Hourly Rate
- $40/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 8 Projects Listed
Engineering Excellence in AI Development
At Grayphite, we specialize in AI Development, delivering cutting-edge solutions for startups and corporations alike. Our focus on quality is seen in our extensive testing and development practices, assuring the highest standards. From web applications to automation, our tailored solutions exceed [... see all Grayphite reviews ]- Location
- San Jose, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $49/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 3 Projects Listed
Result-Driven Digital Solutions Since 2005
We provide results-driven solutions in the Digital field since 2006. While working with us you will receive the expertise and knowledge from our Digital Agency and highly qualified resources from our Research & Development Competence Centre [... see all SEOTM reviews ]- Location
- Escondido, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 1 Project Listed
Designing Digital Innovation, Delivering Impact
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 [... view Signature Creative profile ]- 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
The Thought Machine
On-demand technology solutions to empower your business. [... see all AJM Softwares reviews ]- Location
- Los Angeles, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $40/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 14 Projects Listed
Your Premier iPad App Development & Marketing Studio
Wve Labs is an elite iPad app development and marketing studio, leveraging the power of the latest Swift language through Xcode. Serving a broad spectrum of clients, our team's synergy, rapid execution, and transparent communication make us the go-to choice for businesses seeking an enhanced digital [... view Wve Labs profile ]- Location
- Newport Beach, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 5 Projects Listed
Global Dev Team With Affordable Trusted Solutions
Hikesiya is Silicon Valley-based software development company providing software solutions with a global team of Japan and Vietnam. Our team is a combination of skillful, enthusiastic engineers from Vietnam where the software industry is raidly growing and Japan where quality is meticulously managed in a [... view Hikesiya USA profile ]- Location
- Los Angeles, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 5 Projects Listed
Software Development Company
Artjoker is a professional software development company based in the USA, specializing in providing a wide range of digital services. We offer scalable IT solutions for businesses, including mobile application development, DevOps, and cloud services. [... view Artjoker profile ]- Location
- Los Angeles, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $35/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 7 Projects Listed
We Authentically Care & Deliver
Want to boost your revenue? We create high-converting, future-proofed websites, apps, and brand assets. [... view Charly Agency profile ]- Location
- San Francisco, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $70/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 12 Projects Listed
Every Move Is for the Product.
Ardas is a SaaS-centric shop with a focus on reaching business success rather than technologies or methodologies. [... view Ardas profile ]- Location
- Irvine, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $40/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 11 Projects Listed
Digitally Disrupting Dullness.
Creative27 is a multi-disciplinary digital product design and development agency that drives lightning-speed digital innovation. [... view Creative27 profile ]- Location
- Los Angeles, California
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $500/hr
- Portfolios Count
- 7 Projects Listed
Design Deliver Dominate
We convert businesses into brands by building booming and beautiful online presences for them. [... see all Apex Web Studios reviews ]- Location
- Los Angeles, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $40/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 4 Projects Listed
Ai-Powered Software Development for a Smarter Future
AuspiciousSoft, based in Mohali, India, specializes in web and mobile development, offering custom solutions with modern techniques. Our expert team excels in website design, software development, SEO, graphic design, and digital marketing. We deliver high-performance, secure web solutions and focus on [... see all Auspicious Soft Pvt Ltd reviews ]- Location
- Lakewood, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $20/hr
- Minimal Budget
- Under $1,000
The most trusted digital transformation & product engineering company.
With close to 15 years of experience, digitizing 100+ customers in 7 countries across different industries. Mindbowser focuses on Design Thinking, Clean Code, DevSecops & Quality Automation through its cutting-edge solutions in Mobility, Data Science, Cloud, IoT, Blockchain & ML. [... view Mindbowser Global profile ]- Location
- San Diego, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $30/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 5 Projects Listed
Level Up Your Marketing
GameChangerSF specializes in mobile app marketing, creative services, and data science. With eight years of experience and a track record of profitable apps marketed, we are the winning choice for your promotional initiatives. [... view GameChangerSF profile ]- Location
- San Mateo, California
- Number of Employees
- Under 49
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 5 Projects Listed
Aiming to Achieve Your Business Goals Through Technology
Code Genesis is a full-stack development company dedicated to building scalable and secure digital platforms. We combine expertise in cloud, automation, and modern software engineering to create solutions that are both innovative and reliable. Our mission is to deliver technology that not only meets todays [... view Code Genesis profile ]- Location
- Santa Clara, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $30/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 7 Projects Listed
Conversion-Focused Websites & Apps
Building first-class websites and applications is a journey that starts with the very first phone call. We truly believe our clientās success is our success. Every step of the way we are there beside you, making sure you are a part of the process of building something together. The SKDesign Agency is [... view SKDesign Agency profile ]- Location
- Santa Clarita, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $110/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 6 Projects Listed
Built By Engineers Who Understand Healthcare
HIPAA Software Development is a dedicated healthcare technology solution hub operated by Taction Software, focused on delivering secure, scalable, and fully compliant healthcare software solutions for organizations across the United States. Taction SoftwareĀ® (Taction Software LLC) is a registered U.S. [... view HIPAA Software Development profile ]- Location
- Sacramento, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $45/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 1 Project Listed
Enterprise Software Development & IT Consulting Company
At Hidden Brains, we specialize in delivering state-of-the-art solutions meticulously tailored to our clients' specific requirements. Our comprehensive services include software development, IT consulting, wearable app development, and digital transformation, among others. [... see all Hidden Brains Infotech reviews ]- Location
- Irvine, California
- Number of Employees
- 500 - 999
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 5 Projects Listed
We Build Games That Players Love.
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 [... view Double Coconut profile ]- 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
Web & Mobile Development | Technical Consulting, Design, and Custom Software
SF AppWorks is a progressive digital agency that helps companies, organizations, and entrepreneurs explore and develop innovative technologies that improve lives. In keeping with the core ethic of innovation, we conceptualize and build stunning digital presences for our partners. Their trust helped us [... view SF AppWorks profile ]- Location
- San Francisco, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $75/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 6 Projects Listed
Busy Designing Beautiful Digital Products, Brands and Experiences.
Plan Z is a full-service agency busy designing beautiful digital products, brands and experiences. Creative superheroes providing creative solutions to businesses, startups or enterprises. We are a group of clever people in Karachi, Dubai, Kiel & San Francisco using brains and fancy machines to create brands [... view Plan Z profile ]- Location
- San Francisco, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $125/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 5 Projects Listed
Exploring Technology's Depths: Your Beacon in IoT Innovation
DeepSea Developments specializes in hardware design, fast prototyping, and scalable IoT solutions. We dive into technology's depths to explore new ideas in consumer electronics, electric mobility, industrial IoT, and healthcare. Our passion for innovation, coupled with excellent communication, ensures [... view DeepSea Developments profile ]- Location
- Palo Alto, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 5 Projects Listed
It All Starts With Choosing the Right Team
OCDLab, based in Irvine, California, specializes in custom web and mobile app development and chatbot solution, offering a team of passionate app developers. [... view OCDLab profile ]- Location
- Orange County, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $60/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 5 Projects Listed
React to the Future With Webspaceteam.
Choose Webspaceteam for top-notch React Native development. Our experienced team excels in web, mobile, and desktop solutions, serving clients worldwide. Let's bring your ideas to life. [... view Webspaceteam profile ]- Location
- Fremont, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $30/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 5 Projects Listed
We Design Future-Ready Web & Mobile Applications
Cerebrum Infotech is a leading mobile application, software, Android & iOS app development, DevOps, IoT, custom software development, Python Technology, Node JS Development, Dotnet Development, PHP development company (and others). [... view Cerebrum Infotech profile ]- Location
- Emeryville, California
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $19/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 8 Projects Listed
Software Development Company In Maryland
PoloSoft Technologies is an innovative service provider for enterprise software, CRM, ERP, mobile applications, IoT, Digital Transformation, Cloud technologies, Web Services, e-Commerce, GIS, LiDAR & CAD. Our IT solutions make some glorious promises to our clients that give business empowerment, greater [... view Polosoft Technologies profile ]- Location
- San Francisco, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $100/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 8 Projects Listed
UI/UX | ESG | Data Analytics | ML
47Billion specializes in end-to-end product development with an emphasis on Data analytics, UI/UX design, ESG, Product Development. With global reach and successful projects across industries, we provide premium software, timely delivery, and ready-to-deploy solutions tailored to your requirements. [... view 47Billion profile ]- Location
- Santa Clara, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 6 Projects Listed
Accelerate Velocity With Elite Engineers and Agile Experts.
Distillery is a seasoned player in the field of nearshore software development, offering expertise and a robust process for building, scaling, and innovating technology solutions. [... view Distillery profile ]- Location
- Manhattan Beach, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $100/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 6 Projects Listed
Your Software Development Partner Where AI Innovation Meets Engineering Excellence
Founded in 2000, Radixweb is a global leader in AI-driven software, product engineering & digital transformation. With 25+ yrs, 650+ experts & 5,500+ projects for 3,000+ clients in 25+ countries, we deliver cloud & AI solutions across industries, driving innovation, agility & growth. [... view Radixweb profile ]- Location
- Artesia, California
- Number of Employees
- 500 - 999
- Average Hourly Rate
- $25/hr
- Portfolios Count
- 24 Projects Listed
Work Speaks for Itself.
OweBest is a renowned IT company that has development centers in India & sales offices in US & Canada. We've been delivering comprehensive solutions to our clients around the globe for some time and boast with great pride and self-satisfaction about our accomplishments and extensive expertise. [... view OweBest Technologies profile ]- Location
- Walnut, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $15/hr
- Portfolios Count
- 5 Projects Listed
Transforming Health Journeys with Innovative Industrial Design Solutions
Karten Design (K:D) is an industrial product design company that has been operating for 35 years. We specialize in medical devices and digital health innovations, creating experiences that combine technology with a human touch. [... view Karten Design profile ]- Location
- Los Angeles, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $160/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 5 Projects Listed
Stream Dreams Into Reality.
Third Rock Techkno stands at the forefront of media app development, offering tailored solutions from video streaming to on-demand content. Whether you're a media giant or a budding content creator, our expertise ensures your app stands out in the entertainment arena. [... view Third Rock Techno profile ]- Location
- San Jose, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 5 Projects Listed
Design, Development, Marketing
Orange Web Group: Elevating your digital presence! We're a one-stop shop for small and medium businesses in Orange County, CA. From mobile app and web development to digital marketing and graphic design, we'll help you stand out in today's digital landscape. Let us be your partner in success! [... view Orange Web Group profile ]- Location
- Orange County, California
- Number of Employees
- Under 49
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 1 Project Listed
Stunning Web App Developers!
Rob vLS is a creative individual whose work bridges music and technology. He offers services that combine musical artistry with computer coding, producing content and projects that reflect both disciplines. [... view Rob VLS profile ]- Location
- San Ramon, California
- Number of Employees
- Under 49
- IT Services and IT Consulting. [... view Zysco Mobile Computing profile ]
- Location
- Irvine, California
- Number of Employees
- Under 49
Workflows Simplified with ServiceNow
Multi-award winning ServiceNow Elite Partner designing, enabling and sustaining digital transformation on ServiceNow. [... view Cask profile ]- Location
- San Diego, California
- Number of Employees
- 250 - 499
Apexive - Top-Notch Mobile and Web App Development in Record Time
At Apexive, we are considered the "Special Forces" of software development. We pride ourselves on building technology in short iterations, utilizing the latest technology specifically chosen for each customer. We understand that a "one size fits all" approach simply doesn't work in this industry. [... view Apexive profile ]- Location
- Los Angeles, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $99/hr
- Minimal Budget
- $25,000 - $50,000
We Do Mobile Differently
Invemo is a technology company that provides custom mobile app development and comprehensive consulting services. Founded by a tech industry expert, the company offers a one-stop solution to help clients achieve success in the mobile realm. [... view Invemo profile ]- Location
- Santa Monica, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $99/hr
- Minimal Budget
- $10,000 - $25,000
Innovative IT Solutions
GITS.ID specializes in providing innovative IT solutions designed to amplify the impact of our clients' businesses. Our range of services includes application and cloud modernization, aimed at enhancing the efficiency and effectiveness of your digital infrastructure. Additionally, we offer industry-specific [... view GITS.ID profile ]- Location
- San Francisco, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $149/hr
- Minimal Budget
- $1,000 - $10,000
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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