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

Each agency listed on DesignRush is assessed for industry expertise and customer testimonials are evaluated in order to provide you with a vetted selection. Certain listings represent paid partnerships.

United States × California ×
  • Workflows Simplified with ServiceNow

    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

    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

    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

    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
  • Turning Your Imagination into Incredible Mobile Apps

    Turning Your Imagination into Incredible Mobile Apps

    We specialize in custom app development, delivering scalable web, mobile, and game solutions worldwide.  [... view YourAppHero profile ]
    Location
    Pasadena, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $80/hr
    Minimal Budget
    $10,000 - $25,000
  • Tech Company That Provides App Solutions

    Tech Company That Provides App Solutions

    At Appsters, innovation and reliability are at the core of everything we do. We dont just build apps; we build digital experiences that empower brands to thrive in todays competitive market. As a digital tech company we offer innovative mobile app solutions to every type of business & industry. Give your  [... view Appsters profile ]
    Location
    San Jose, California
    Number of Employees
    250 - 499
    Average Hourly Rate
    $250/hr
    Minimal Budget
    $25,000 - $50,000
  • Bringing Web3 Ideas To Life

    Bringing Web3 Ideas To Life

    Pixel Punch is a leading web3 development company specializing in a wide range of blockchain services. As one of the most trusted Web3 development companies, Pixel Punch leads this transformation by creating next-generation decentralized solutions for businesses ready to embrace the future.  [... view Pixel Punch profile ]
    Location
    Anaheim, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $456/hr
    Minimal Budget
    Under $1,000
  • Carefully devised digital products that strengthen your brand

    Carefully devised digital products that strengthen your brand

    Full cycle UX/UI design and development studio that crafts comprehensive digital experiences for the real users  [... see all UVIO reviews ]
    Location
    San Diego, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    1 Project Listed
  • Get Things Done

    Get Things Done

    Space-O Technologies is a software development company having 13+ years of experience in delivering custom software solutions for startups, enterprises, and Fortune 500 companies.  [... see all Space-O Technologies reviews ]
    Location
    Ontario, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    4 Projects Listed
  • Dream Build Grow!

    Dream Build Grow!

    APPWRK IT Solutions Pvt. Ltd. is a global IT service providing company. We provide a wide range of IT services and support solutions which includes Web Development Services, Web Designing Services, APP Development and Designing, Digital Marketing for Industries like Healthcare, Education, Retail and Logistics  [... view APPWRK profile ]
    Location
    Santa Clarita, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $18/hr
    Portfolios Count
    7 Projects Listed
  • Navigating the IT Future With Clarity of Thought

    Navigating the IT Future With Clarity of Thought

    At HyScaler, we're driven by a mission to be your trusted partner in achieving transformative business objectives. Our global vision focuses on harnessing cutting-edge technologies to craft sustainable, intelligent, and secure solutions.  [... view HyScaler profile ]
    Location
    Santa Clara, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    2 Projects Listed
  • Get Set for Your Next Big Success!

    Get Set for Your Next Big Success!

    Experience innovation, agility, and growth with BiztechCS, a renowned web and mobile and eCommerce app development company. Since 2006, we've been empowering brands globally with cutting-edge solutions that drive measurable results.  [... view Biztech Consulting & Solutions profile ]
    Location
    Burbank, California
    Number of Employees
    250 - 499
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    10 Projects Listed
  • Got .NET problems? We've got the SubcoDevs solution.

    Got .NET problems? We've got the SubcoDevs solution.

    SubcoDevs: Your .NET development and software repair experts. App issues, streamlined deployment, transparent pricing. We've got you covered.  [... view SubcoDevs profile ]
    Location
    Sacramento, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Portfolios Count
    3 Projects Listed
  • Think. Create. Innovate.

    Think. Create. Innovate.

    UnfoldLabs provides normal people with revolutionary solutions. The business broadened its scope to provide future-oriented technological solutions by taking into account the demands of its clients and the marketplace. UnfoldLabs' team is focused on design, innovation, and strategic goods and solutions to  [... view UnfoldLabs profile ]
    Location
    San Diego, California
    Number of Employees
    50 - 99
    Minimal Budget
    $1,000 - $10,000
  • Digital Product Specialists.

    Digital Product Specialists.

    We craft stunning digital products through on point strategy and unrivaled technical expertise.  [... view Hattrick IT profile ]
    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $60/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    3 Projects Listed
  • Strategy+Aesthetics+Technology

    Strategy+Aesthetics+Technology

    L+R is an award-winning international studio, which works with clients to create real value and impact with the balance of design and technology.  [... view L+R profile ]
    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    6 Projects Listed
  • Lets Grow Online

    Lets Grow Online

    Strive Enterprise is the ultimate solution for impactful web design, custom digital marketing solutions, and professional SEO services.  [... view Strive Enterprise profile ]
    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    10 Projects Listed
  • We Build Next-Gen Brands

    We Build Next-Gen Brands

    We are a Fremont, CA based web design and mobile application development company. You may look forward to us if your wish to convert your business into the Brand!!!!!!  [... see all ISKPRO reviews ]
    Location
    Fremont, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $10,000 - $25,000
  • Transforming Ideas into Digital Realities

    Transforming Ideas into Digital Realities

    From spark to success, we bring your ideas to life with end-to-end brilliance. Design, development, deployment, testing, and marketing we craft every piece of the puzzle to create a masterpiece. Whether its a stunning website, a powerful app, or a bold marketing campaign, we transform visions into impactful  [... see all Codespark Labs reviews ]
    Location
    San Francisco, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $15/hr
  • We Help Entrepreneurs and Corporations Create Digital Startups and Services

    We Help Entrepreneurs and Corporations Create Digital Startups and Services

    We are a team of 40 project managers, designers, frontend and backend developers, DevOps and QA specialist. We are able to take on any project, from ideation to launch. We analyze, design, manage, develop, deploy, test and maintain.  [... view Dvhb profile ]
    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    8 Projects Listed
  • We Design Develop Host & Maintain Your Online Presence

    We Design Develop Host & Maintain Your Online Presence

    XWebAgency, Your trusted web agency. We offer website design, web development, SEO services, digital marketing, and e-commerce solutions to help your business grow online.  [... view XWEBAGENCY profile ]
    Location
    Desert Hot Springs, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $55/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    4 Projects Listed
  • Quality Is Our Prime Directive

    Quality Is Our Prime Directive

    Tempest House is a full service agency helping clients all over the world build cutting edge software with our expert team of developers, designers and managers. Rigorous QA processes, excellent communications and a commitment to meeting timelines characterises our company best.  [... view Tempest House profile ]
    Location
    Carpinteria, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    3 Projects Listed
  • Your spark, our fuel

    Your spark, our fuel

    Dreamers is a research, data science, and tech consultancy that specializes in building solutions for complex problems. We are based in sunny California, but we work remotely with clients from all over the world. We're engineer-owned and operated, meaning you'll get personal attention and quick answers  [... view Dreamers Inc. profile ]
    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    8 Projects Listed
  • Quality, Affordability, Scalability

    Quality, Affordability, Scalability

    Pie Solutions has worked with clients ranging from startups to large corporations. Our expertise is building high performance, SEO friendly websites that are mobile friendly and lightning fast. Additionally, we offer deep experience integrating with third party solutions via API and other methods, and also  [... see all Pie Solutions reviews ]
    Location
    Long Beach, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $1,000 - $10,000
  • We Develop Reliable Software That Runs Smoothly

    We Develop Reliable Software That Runs Smoothly

    Dynamic custom software development company specialized in building ERP, CRM, ATS, CMS, and e-commerce solutions. Our technology stack is .NET, SQL, Entity Framework, Angular, and Typescript.  [... view Developer Partners profile ]
    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    6 Projects Listed
  • The UX Bench Help People To Bring Their Ideas Alive.

    The UX Bench Help People To Bring Their Ideas Alive.

    Maximize the potential of your B2B enterprise with our all-encompassing web design and branding solutions. The UX Bench, a globally renowned design agency, seamlessly integrates the finest elements from across the world, specializing in UI/UX design, web development, mobile app development, and brand  [... see all The UX Bench reviews ]
    Location
    Los Angeles, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project Listed
  • We Bring Solutions to Life.

    We Bring Solutions to Life.

    propelland is a global strategy, design, and engineering firm bringing to life solutions to help companies transform and grow.  [... view Propelland profile ]
    Location
    San Francisco, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $150/hr
    Portfolios Count
    6 Projects Listed
  • High Performance Software Products

    High Performance Software Products

    Fission Labs is a digital transformation consulting firm specializing in data engineering, cloud consulting, and AI-driven solutions to enhance customer experience and operational efficiency. With a team of expert architects and engineers, the agency delivers transparent, agile processes that accelerate  [... view Fission Labs profile ]
    Location
    Sunnyvale, California
    Number of Employees
    250 - 499
  • We are a Creative Development Agency & Consultancy.

    We are a Creative Development Agency & Consultancy.

    Naked Development transforms businesses through expert App Development, partnering with founders to design, develop, and launch apps that solve real problems. Our customized approach ensures top-tier results for startups, helping you avoid costly missteps and turn your vision into a thriving company.  [... see all Naked Development reviews ]
    Location
    Irvine, California
    Number of Employees
    Under 49
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    12 Projects Listed
  • Delivering Technology Solutions.

    Delivering Technology Solutions.

    Since its inception in 1999, Drish Infotech has been a pioneer in delivering cutting-edge technology solutions globally. Headquartered in Silicon Valley with an additional office in Saratoga, CA, and a proficient backend development team in Chandigarh, India, Drish has firmly established itself as a prominent  [... view Drish Infotech profile ]
    Location
    Saratoga, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $20/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    10 Projects Listed
  • Award-Winning Mobile Design & Development Agency with AI Expertise

    Award-Winning Mobile Design & Development Agency with AI Expertise

    Utility is a premier digital product agency specializing in custom mobile apps, web platforms, and AI-powered solutions for forward-thinking startups and global brands including Airbnb, Coca-Cola, Samsung, the NBA, and Forbes.  [... view Utility profile ]
    Location
    Los Angeles, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $149/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    1 Project Listed
  • Designed for the future. Engineered today.

    Designed for the future. Engineered today.

    A-CX is a boutique software design and development partner empowering businesses focusing on Approachable AI and Secure Cloud solutions. We deliver user-centered software development services through cutting-edge design and robust engineering that drive smarter, scalable outcomes.  [... view A-CX profile ]
    Location
    San Jose, California
    Number of Employees
    Under 49
    Portfolios Count
    6 Projects Listed
  • Small Business E-commerce Done Right

    Small Business E-commerce Done Right

    Forix Commerce is your trusted partner for small business e-commerce success, offering innovative solutions and comprehensive services. Our expert team specializes in eCommerce development, creating captivating websites with user-centric designs and seamless functionality.  [... view Forix profile ]
    Location
    Los Angeles, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $125/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    7 Projects Listed
  • Software Development & Design for Innovative Companies

    Software Development & Design for Innovative Companies

    Software Development & Design for Innovative Companies  [... view MojoTech profile ]
    Location
    Los Angeles, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $175/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    4 Projects Listed
  • Innovation Through Automation

    Innovation Through Automation

    Blac Flag is a full-service creative, development, and growth partner for brands that need more than pretty pictures. We design and build high-performing sites, apps, and automations, then back them with SEO, email, and paid media that actually drive revenue.  [... view Blac Flag profile ]
    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    6 Projects Listed
  • Oakland Web Design and Graphics

    Oakland Web Design and Graphics

    A team of friendly, local, award-winning creative web developers and designers. Our clients love us!  [... view Rowdy Ferret Design profile ]
    Location
    Oakland, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    5 Projects Listed
  • No-Code, AI, UI/UX Design, and Custom Development

    No-Code, AI, UI/UX Design, and Custom Development

    Aspirity is a web development agency with a representative office in San Francisco CA. Founded in 2011, we provide dedicated teams for extension startups and midsize companies. Our services include full stack web and mobile development, UI\UX and product design.  [... view Aspirity profile ]
    Location
    San Francisco, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    3 Projects Listed
  • Taking your IT Infrastructure to New Heights

    Taking your IT Infrastructure to New Heights

    As a Technology service provider, we are experts on managing clients IT enviroments which consits On-Prem, Data Centers, Hybrid model and Cloud operations. We are specilized on preparing startups to IPO readiness on thier IT enviroment and expertize on SecOps streagegies and audit ready.  [... see all Raise Networks reviews ]
    Location
    San Jose, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $1,000 - $10,000
  • Leading AI-Powered Software Development Agency.

    Leading AI-Powered Software Development Agency.

    Zignuts Technolab is a top-rated Web and On-demand Mobile App development company in the USA, Germany, and India. We strive to excel in the invention and development of the industry’s most advanced technologies. We will help you to make your digital dreams in on your hand.  [... see all Zignuts Technolab reviews ]
    Location
    San Francisco, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $25/hr
    Portfolios Count
    1 Project Listed
  • A Data Innovation Company

    A Data Innovation Company

    Predikly LLC, is a Silicon Valley-based AI-ML RPA company and a trusted Global Technology Partner for enterprises and start-ups to Deliver Actionable Business Insights using building AI-ML enabled data platform and applications.  [... view Predikly profile ]
    Location
    Fremont, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project Listed
  • Technology Solutions for You.

    Technology Solutions for You.

    Access information technology professionals with experience of working with startups to Fortune 500 companies without breaking the bank. Our services are well suited for retail, manufacturing, startups and healthcare businesses. Talk to us for a free consultation.  [... view Femtomax Inc. profile ]
    Location
    San Jose, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    3 Projects Listed
  • Integrate Bluetooth Low Energy Technology In Your Devices For Engaging User Experience

    Integrate Bluetooth Low Energy Technology In Your Devices For Engaging User Experience

    BLE mobile apps is an outstanding organization which keeps itself updated with the latest technological innovations to offer the best to its clients. Utilizing this latest low energy technology, it has created a number of BLE powered apps.  [... view BLE Mobile Apps profile ]
    Location
    Fremont, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $50/hr
    Portfolios Count
    1 Project Listed
  • Autonomous Innovation. Delivered at Scale.

    Autonomous Innovation. Delivered at Scale.

    FifthRow is an AI platform that transforms consulting workflows into autonomous agent teams, enabling companies to research, validate, and build new ventures faster and more cost-efficiently than traditional models.  [... view FifthRow profile ]
    Location
    San Francisco, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    1 Project Listed
  • Where E-Commerce Web Design Meets Expertise

    Where E-Commerce Web Design Meets Expertise

    WebCity Press has been a pioneer in e-commerce web design and multimedia production since 1995. Our 27 years of experience ensure that we deliver targeted traffic to your products and services.  [... view WebCity Press profile ]
    Location
    Fresno, California
    Number of Employees
    Under 49
    Portfolios Count
    3 Projects Listed
  • Interactive Storytelling Through Captivating Software

    Interactive Storytelling Through Captivating Software

    We are interactive strategists passionate about helping you engage your audience through fuller immersive user driven experiences. At spinTouch, it is our mission to deliver the most awe-inspiring interactive solutions with an emphasis on design to empower brands and enhance user experience.  [... view SpinTouch profile ]
    Location
    Irvine, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $175/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    4 Projects Listed
  • Building Tomorrow's Products With AI Today

    Building Tomorrow's Products With AI Today

    Day One Technologies is an AI Development specialist, creating intelligent products that are futuristic and user-centric. In three years, we've successfully served industries from FinTech to TravelTech across various markets, offering innovative solutions backed by AI, machine learning, and more. Our services  [... view Day One Technologies profile ]
    Location
    Los Angeles, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    4 Projects Listed
  • All product engineering expertise under one roof

    All product engineering expertise under one roof

    TeleSoftas is a product engineering house that elevates brave business ideas into the future. We help our partners adopt digital transformation by utilising our 16 years’ experience delivering product engineering solutions and know-how of cutting-edge technologies. Our team consists of top-level experts  [... view TeleSoftas profile ]
    Location
    San Francisco, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $50,000 & Up
  • Designing and Building Platforms for Your AI Bot Development.

    Designing and Building Platforms for Your AI Bot Development.

    ISBX (Interactive, Strategy, Branding, Execution) stands as the premier web and mobile application development agency in Southern California, boasting extensive expertise across a diverse spectrum of digital services such as Mobile, Blockchain, IoT, Web3, and Web Development. With a track record of  [... view ISBX profile ]
    Location
    Los Angeles, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    7 Projects Listed

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.

Former Development Director

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.