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
Every agency on DesignRush meets evaluation criteria around expertise and client feedback to empower informed choices. Some listings include paid partnerships.
Making Digital Accessibility, Usability, Inclusivity the Norm
A global Digital transformation company with over 20 years of experience, we identify gaps and fill them with state-of-the-art technology solutions. [... view InfoStride profile ]- Location
- San Jose, California
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $80/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 2 Projects Listed
Net Diatom is an award winning creative agency built with one purpose: to help you define your brand
Our certified staff supports your website or application around the clock. We specialize in HTML, HTML5, Bootstrap, ASP.NET, UI/UX, AI, CSS, SQL, MariaDB, php, java, e-commerce, seo and more [... view The Net Diatom Corporate Subsidiary Group profile ]- Location
- San Diego, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $36/hr
- Minimal Budget
- Under $1,000
- Portfolios Count
- 1 Project Listed
Hire Ruby on Rails Developers.
4 Way Technologies is a USA based creative Ruby on Rails Developer Company. With our vision of providing quality-driven solutions at affordable costs, we have completed several years of business. [... view 4 Way Technologies profile ]- Location
- Fremont, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $1000/hr
- Minimal Budget
- Under $1,000
- Portfolios Count
- 1 Project Listed
Leading Software Company Delivering Bespoke Systems and Applications
At Filly Coder, we strive to provide you with the best of both worlds by leveraging our in-house application development and web design capabilities to deliver a product that meets your needs. [... view Filly Coder profile ]- Location
- San Francisco, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $80/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 1 Project Listed
Only Vibrant Designs that Resonate
Uptown Logo Design is a prestigious logo design company with a decade of experience in crafting captivating brand identities. Our comprehensive branding solutions include logo design, web development, and more. We aim to tell your brand's story, stimulate growth, and forge profitable connections. [... view Uptown Logo Design profile ]- Location
- Los Angeles, California
- Number of Employees
- 500 - 999
- Average Hourly Rate
- $100/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 5 Projects Listed
Best award-winning software development company in South Korea.
Time Tec South Korea is a top-rated, multi-award-winning software development company providing a full suite of services and solutions like mobile application development, software development, Microsoft Dynamics 365 development, web development, ServiceNow consulting, and cybersecurity consulting to small [... view In Time Tec South Korea profile ]- Location
- Roseville, California
- Number of Employees
- 1000 & Up
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $1,000 - $10,000
Bridging the gap between Ideas and Reality
Top mobile app development company that offers cost-effective Android, iOS applications design and development services in USA and India. [... see all Appventurez Mobitech reviews ]- Location
- San Jose, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 3 Projects Listed
For Those Who Dare To Compete. Win. Dominate.
Ad Victorem is a Los Angeles-based creative agency that combines award-winning creativity with business strategy to help challenger brands disrupt the status quo. [... view Ad Victorem profile ]- Location
- Los Angeles, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $125/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 3 Projects Listed
- We are a shoes-off kind of agency that reveals the business value of startups and established businesses around the globe. Our simple recipe: human-centered design and bullshit-free development.It had brought business success and awards like 5 Behance Interaction Awards during 3 years, Product of the Year [... view MEAT Agency profile ]
- Location
- Walnut, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $45/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 3 Projects Listed
A Creative Web Agency for Higher Education
KWALL is a boutique digital agency founded in 2007, specializing in full stack web design and development for higher education, government, nonprofit, and enterprise clients. With an inhouse team of approximately 30 experts, the firm has launched more than 800 websites and built a reputation for scalable [... view KWALL profile ]- Location
- Costa Mesa, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $150/hr
Building Products That Change the Future of Businesses
BL3NDlabs is an end-to-end strategy, design, and technology firm. We redefine the way business gets done with industry-standard and emerging technologies. [... view BL3NDlabs profile ]- Location
- San Diego, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $150/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 4 Projects Listed
Trusted by Leading Brands
We work with startups and enterprise clients to create amazing mobile apps that users love, across iPhone, iPad, Android and the Web. [... view InfinixSoft profile ]- Location
- Los Angeles, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 2 Projects Listed
Inspiring the future
Aphelia Innovations, an ISO-certified software development and digital transformation company, empowers startups, SMEs, and enterprises in the US, Europe, and APAC region. With expertise in outsourced software development and on-demand engineering teams, we deliver top-notch services. [... view Aphelia Innovations profile ]- Location
- San Francisco, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $20/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 6 Projects Listed
The World Leader in Augmented Reality
INDE is the leading provider of screen-based Augmented Reality products and solutions and one of the leading developers of MobileAR and WebAR worldwide. Our next-generation digital platforms utilise the latest in AR, Motion Capture, and Computer Vision technology built into tailor-made products. [... view INDE profile ]- Location
- Los Angeles, California
- Number of Employees
- Under 49
- Portfolios Count
- 6 Projects Listed
Your Dream + Our Development Expertise = Innovative WEB3 Platform Solutions
Best Web3 Development is a DeFi and web3 development services provider, specializing in innovative web3 solutions utilizing technologies like blockchain, AI, IoT, and cryptography. [... view Best Web3 Development profile ]- Location
- Concord, California
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $30/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 5 Projects Listed
Your Go-To Experts for Custom IT Solutions
Sunset Systems is a California-based technology firm specializing in custom IT solutions, including mobile and web application development, machine learning, and system integration. With a focus on delivering tailored services, the company partners with clients across various industries to bring their digital [... view Sunset Systems profile ]- Location
- Los Angeles, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 3 Projects Listed
We Are Solving the Most Difficult Technology Challenges of Digital Transformation for Companies.
Our fields of expertise: software development, mobile app development, web development, virtual reality development, app development, app modernization and optimization services, DevOps consulting services, software testing. [... view Litslink profile ]- Location
- Palo Alto, California
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $35/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 3 Projects Listed
Software That Works!
SoftAvail, Inc. is a software R&D professional services company specializing in full application life-cycle management - prototyping, design, development, deployment, support & maintenance . We produce and deliver high-quality software for any platform and device. [... view SoftAvail profile ]- Location
- San Carlos, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $40/hr
- Portfolios Count
- 2 Projects Listed
Design Isnt Finished Until Somebody Is Using It.
Hey! My name is Michelle Kier, a UX designer focused on creating an easy-to-use world that puts the user first. [... view Michelle Kier profile ]- Location
- Santa Barbara, California
- Number of Employees
- Under 49
- Portfolios Count
- 2 Projects Listed
Choose a Different Way!
75way Technologies Pvt. Ltd. is a digital transformation and engineering company based in India, specializing in delivering innovative solutions across web, mobile, and blockchain platforms. With over 10 years of experience, the company has successfully completed more than 1,100 projects for clients [... view 75way Technologies profile ]- Location
- San Jacinto, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $29/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 3 Projects Listed
WE BUILD & REFINE SMART WEB SOLUTIONS
ArhamSoft (Pvt) Ltd. is one of the fastest-growing IT enterprises located in the heart of southeast Asia (Pakistan). We are an ISO certified enterprise, multiple award winner for the best web & mobile app development organization. We can help you with your upcoming digital initiatives and ways ArhamSoft can [... view ArhamSoft profile ]- Location
- El Segundo, California
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $35/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 7 Projects Listed
Where Your Vision Meets Software Mastery
Tateeda is a company specializing in custom software development and staff augmentation services, with a skilled workforce of 100+ seasoned engineers. [... view TATEEDA profile ]- Location
- San Diego, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $65/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 1 Project Listed
We Help Clients Become More Efficient and Innovative
ASAP Developers is a San Franciscobased mobile and web app development agency specializing in crossplatform solutions, UX/UI design, and AI/machine learning integration. They connect businesses with top software engineering talent from Latin America, offering agile development and staff augmentation services. [... view Asap Developers profile ]- Location
- San Francisco, California
- Number of Employees
- 100 - 249
iGeekTeam - Where Your Ideas Come to Life
At iGeekTeam, we believe in standing out by delivering excellent and exceptional services. Our team is skilled at Web/Mobile Design/Development and we insist on pushing the boundaries of Mobile app and Website development, delivering work of the highest quality on-time and on-budget. We specialize in [... view IGeekTeam profile ]- Location
- Tustin, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $49/hr
- Minimal Budget
- $1,000 - $10,000
High-Quality Software Solutions
CT Software Solutions offers custom development using quick, dependable, and technologically sound techniques. [... view CT Software Solutions profile ]- Location
- Pasadena, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $99/hr
- Minimal Budget
- $25,000 - $50,000
Full Stack Development Support
Studio 12 is a full-stack development agency that can support your current team. [... view Studio 12 profile ]- Location
- Riverside, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $149/hr
- Minimal Budget
- $1,000 - $10,000
End-to-end digital product delivery
We provide all the necessary business and technological skills to assist businesses in creating a successful digital product. [... view Apex Lab profile ]- Location
- San Francisco, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $99/hr
- Minimal Budget
- $1,000 - $10,000
Building High-Performing Mobile Apps
Our design and development services will advance your company and provide outstanding value. [... view Webiotic profile ]- Location
- Los Angeles, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $149/hr
- Minimal Budget
- $1,000 - $10,000
Innovate Your Web - PINT it!
PINT, Inc. is a San Diego-based web development agency with 28 years of experience in creating innovative and modern websites. Our services include web development, system integrations, hosting, marketing, and creative design, all aimed at helping our clients connect with their customers. [... view PINT profile ]- Location
- San Diego, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $199/hr
- Minimal Budget
- $10,000 - $25,000
Because Digital Can't Drive.
Hello! I'm I'm Benedetto Di Luzio, an Italian product designer based in Los Angeles, USA. I've worked in the interior design and architecture industry for over 10 years. My technical background blends with a more conceptual approach to creating harmonious experiences that bring people together. [... view Benedetto Di Luzio profile ]- Location
- Los Angeles, California
- Number of Employees
- Under 49
Fast and efficient Nocode & AI Apps.
Codi Technologies helps businesses build applications efficiently by providing nearshore design and development services. We leverage low code tools, top tier designers & developers skilled in frontend and backend, integrations, and UX/UI to deploy ideas quickly. [... view Codi Technologies profile ]- Location
- Los Angeles, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $125/hr
- Minimal Budget
- $1,000 - $10,000
Tap Built, located in California, creates innovative mobile apps and engaging games for entrepreneur
Tap Built Located in California creates innovative mobile apps and engaging games for entrepreneurs startups and business worldwide. [... view Tap Built profile ]- Location
- West Covina, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $100/hr
- Minimal Budget
- $1,000 - $10,000
Bringing Business Services To Cloud Precision
eNoah iSolution is a global IT and BPO services firm with over 18 years in operation. Certified in ISO27001 (and HIPAA compliant), the company employs more than 1,800 professionals across six countries. It supports clients in over 20 verticals including several Fortune500 companies offering secure business [... view ENoah ISolutions Inc profile ]- Location
- Westlake Village, California
- Number of Employees
- 1000 & Up
Your ultimate cloud service provider
At the forefront of IT, CRM & CX solutions, SoftClouds, headquartered in San Diego, CA, emerges as a transformative force. As an esteemed Oracle Platinum Partner, we specialize in crafting ERP solutions, cloud, mobile, and digital solutions that elevate corporate profitability while seamlessly unraveling [... view SoftClouds profile ]- Location
- San Diego, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $50/hr
- Minimal Budget
- Under $1,000
- Portfolios Count
- 5 Projects Listed
Global IT Solutions
We are a digital transformation consulting and software development company that delivers cutting edge solutions for global organizations and technology startups. Since 2000 we have been helping companies and established brands re-imagine their business through digitization. [... view Pratham Software profile ]- Location
- Saratoga, California
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $10,000 - $25,000
Try Top Watches on Your Wrist via Augmented Reality.
AR-Watches (by ARLOOPA Inc.) is a platform specializing in augmented reality (AR) e-commerce solutions for watch brands and retailers. It enables consumers to virtually try on realistic 3D watch models using a smartphone, increasing confidence in size, fit, and aesthetic before purchase. The platform includes [... view AR-Watches profile ]- Location
- Los Altos, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $10/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 1 Project Listed
Designing and Development Made Easy
We believe enhanced product designs integrated with advanced technology can significantly propel business growth and market expansion. We're committed to addressing our client's needs, providing unparalleled customer service, and delivering exceptional product quality through cutting-edge technology [... view EZ Digital profile ]- Location
- Los Angeles, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $10,000 - $25,000
Rivi - AI Tools For Travel Companies
Rivi specializes in developing AI and technology solutions for forward-thinking companies. We empower businesses to innovate and stay ahead of the curve. [... view Rivi, Inc. profile ]- Location
- San Francisco, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $45/hr
Your IT Guru for Government and Beyond
For over 30 years, Quest has been a beacon in Government IT services. From cybersecurity to cloud management, we tailor our offerings to your unique needs, ensuring agility, productivity, and scalability in an evolving market. [... view Quest profile ]- Location
- Roseville, California
- Number of Employees
- 100 - 249
- Portfolios Count
- 5 Projects Listed
Get your brand the visibility it DESERVES!
We are full service creative design agency, we offers creative solutions, cost effective, visual and interactive design services. Taking your business to its highest potentials! [... view Lia Vin Creative Design Agency profile ]- Location
- San Diego, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $79/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 3 Projects Listed
Worlds leading Software and App Development company that delivers cutting-edge custom solutions
We help our customers ideate, design, develop, and launch beautiful and scalabe software solutions to succeed in their industries. Growing at 500% year-on-year, we have been ranked the 3rd Fastest Growing Tech Compnay in India (FT1000). [... view GoodWorkLabs profile ]- Location
- San Francisco, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $35/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 7 Projects Listed
We Bring Ideas to Life-From Concept To Finished Reality.
Vaylian Studios is a Burbank, California based boutique creative agency specializing in immersive digital experiences, visual effects, animation, video production, and experiential design. Founded in 2015, the nimble studio blends cinematic storytelling with cutting-edge AR/VR/MR, serving brands across [... view Vaylian Studios profile ]- Location
- Burbank, California
- Number of Employees
- Under 49
- Minimal Budget
- $50,000 & Up
Elevate Your People, Process, and Products.
TDF (The Development Factory) is a Los Angeles based product and technology consultancy that empowers companies to design, build, and deliver software more effectively. By upskilling teams, embedding expert interim product leadership, and offering seamless augmentation services, TDF enhances clients internal [... view The Development Factory profile ]- Location
- Los Angeles, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $149/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 3 Projects Listed
Appstem Designs and Develops Custom Software To Help Our Clients Solve Complex Business Problems.
Appstem is a full-service mobile strategy, design and development agency, Based in San Francisco, Appstem has delivered over 200 apps with a team of experts specializing in strategy, QA, development and UI/UX design. [... view Appstem profile ]- Location
- San Francisco, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $150/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 5 Projects Listed
Engineering Intelligent & Scalable Solutions.
VentureDive is an award-winning custom software development company dedicated to spearheading digital transformations for Fortune 500 companies across BFSI, CPG/retail, healthcare, transportation, logistics, and QSR industries through its expertise in the realms of Fintech, Data & AI, HealthTech, PropTech [... view VentureDive profile ]- Location
- Mountain View, California
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $25,000 - $50,000
Experts in AR/VR game development
ARLOOPA Inc. specializes in the development of augmented reality (AR) and virtual reality (VR) applications and games. They offer a range of advanced services including cloud-based AR solutions, customized branded AR app and game development, VR app and game development, and 2D and 3D content creation. [... view ARLOOPA profile ]- Location
- Los Altos, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $30/hr
- Minimal Budget
- Under $1,000
- Portfolios Count
- 3 Projects Listed
We Convert Your Ideas Into Amazing Application
We Xgen Coders, have delivered more than 200+ project within this duration including Website, App, API, UI/UX and more. We can design any type of application, as per your idea or requirements, mostly we use React/Native, Flutter, Java & C++ for complex coding. [... view Xgen Coders profile ]- Location
- Fresno, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $25/hr
- Minimal Budget
- Under $1,000
Building the Best!
DNAMIC is an IT Consulting company with an automation mindset specializing in Software Development, Quality Assurance, Software Testing, and Digital Production. [... view DNAMIC profile ]- Location
- San Diego, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $99/hr
- Minimal Budget
- $10,000 - $25,000
Achieving the Unachievable.
We create and manage the world's most iconic brands. Brand and product agency that delivers heroic work and legendary clients. DECOSTA has worked with clients in a wide range of industries including entertainment, consumer goods, technology, energy, finance, and more. [... view DECOSTA Global profile ]- Location
- Burbank, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $300/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 6 Projects Listed
Empowering Digital Success With Cutting-Edge Solutions and Proactive Excellence
Webential is a top digital agency specializing in web development, digital marketing, and design services. With over a decade of experience, they offer SEO, PPC, custom web development, and e-commerce solutions. [... see all Webential reviews ]- Location
- Foster City, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $30/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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