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.

Organic rankings are determined by five factors: top services, reviews, portfolio, awards/press, and team expertise. Sponsored listings pay for a placement that appears above organic positions. Sponsorship does not affect star ratings or review content - read more on our methodology page.

United States × California × Automotive × $50,000 & Up ×Clear Filters
  • AI-Native App & Enterprise Software Development Company

    TechAhead, a global leader in AI-powered custom software development & cloud engineering services, trusted by Fortune 500 companies and enterprises worldwide. We are a Great Place to Work-certified company with 240+ experts and 16 years of experience in engineering innovative, scalable applications...

    Top Services:

    • Mobile App Development
    • AI Development
    • Software Development
    • IoT
    • Staff Augmentation
    • Show more
    Location
    Agoura Hills, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    26 Projects Listed
  • Solving complex problems with design and technology since 2005.

    Choosing Infinum ensures you partner with a mobile app development agency that transforms ideas into powerful digital solutions. Results-driven methods define our projects in user experience, scalable architecture, and seamless integration. Together, we accelerate growth and elevate your business operations...

    Top Services:

    • Web Development
    • Web Design
    • Mobile App Development
    • UI/UX Design
    • Software Development
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    250 - 499
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    24 Projects Listed
  • A Reliable Full-Service Software Development, Cloud, DevOps and QA Partner

    Leveraging 30 years of excellence designing, developing, deploying and supporting world-class software solutions, Kanda Software has established itself as a trusted Software Development, Cloud Engineering, DevOps and QA partner for companies ranging from innovative startups to large enterprises...

    Top Services:

    • Software Development
    • Mobile App Development
    • IT Services
    • IoT
    • VR/AR
    • Show more
    Location
    Alameda, California
    Number of Employees
    500 - 999
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    16 Projects Listed
  • Your Innovation Partner

    ITRex delivers end-to-end AI and data solutions from strategic planning to real-world deployment. The companys expertise spans LLM integration, RAG, copilots, SLMs, and autonomous AI agents, all engineered for reliability and scale...

    Top Services:

    • Software Development
    • Mobile App Development
    • Software Testing
    • AI Development
    • IoT
    • Show more
    Location
    Aliso Viejo, California
    Number of Employees
    250 - 499
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    5 Projects Listed
  • More Than Code We Build Trust Through Craft & Commitment

    Engineered with integrity. Backed by mentorship. Delivered with care. BTS transforms ideas into scalable, secure, and impactful digital products that deliver long-term value...

    Top Services:

    • Software Development
    • AI Development
    • Big Data Analytics
    • Mobile App Development
    • UI/UX Design
    • Show more
    Location
    San Francisco, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $55/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    11 Projects Listed
  • Product development studio for innovators

    We are a product development studio for innovators, specializing in B2B SaaS platforms for productivity, analytics, marketing, sales, and engineering. We work with serial entrepreneurs, startup founders, and CTOs at industrial enterprises to create time through innovative products...

    Top Services:

    • Web Development
    • Mobile App Development
    • CRM Consulting
    • ECM Consulting
    • IT Services
    • Show more
    Location
    San Francisco, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $60/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    14 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...

    Top Services:

    • UI/UX Design
    • Web Design
    • WordPress Website Design
    • Creative Services
    • Graphic Design
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $250/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    3 Projects Listed
  • 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...

    Top Services:

    • Software Development
    • Digital Marketing
    • Mobile App Development
    • Digital Services
    • Digital Strategy
    • Show more
    Location
    Irvine, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $175/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    4 Projects Listed
  • 30 Years of Excellence in Delivering Future-Proof Software Solutions

    Delivering world-class products to Fortune 500 companies and cutting-edge startups for over three decades, we have navigated every economic climate, optimizing production costs to provide our clients with exceptional ROI...

    Top Services:

    • Software Development
    • IoT
    • AI Development
    • Wearables
    • Mobile App Development
    • Show more
    Location
    Palo Alto, California
    Number of Employees
    250 - 499
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    4 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...

    Top Services:

    • Digital Services
    • Video Production
    • Audio Production
    • VR/AR
    • Wearables
    • Show more
    Location
    Burbank, California
    Number of Employees
    Under 49
    Minimal Budget
    $50,000 & Up
  • 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...

    Top Services:

    • Web Design
    • eCommerce Development
    • IoT
    • Mobile App Development
    • Software Development
    • Show more
    Location
    San Francisco, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    5 Projects Listed
  • We Make Your Brand Just the Way You Imagine!

    Oui Will is a digital agency that builds influential brands and innovative digital products with a focus on the "Tech for Good" sector. The agency operates in San Diego and Paris and has received over 20 awards in the past year...

    Top Services:

    • Product Design
    • Logo Design
    • Digital Services
    • Branding
    • eCommerce Development
    • Show more
    Location
    San Diego, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $300/hr
    Minimal Budget
    $50,000 & Up

Why companies trust DesignRush

Every agency is independently vetted before it can be listed or ranked

1

Identity Check

We verify businesses and reviewer LinkedIn profiles for integrity.

Agencies vetted
130,291+
2

Portfolio Review

We review agency work, case studies, and results to confirm skill.

Applicants rejected
47%
3

Ongoing Audit

We monitor listings regularly; outdated agencies are removed.

Agencies verified
12

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