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 × Pets × Sort by: Avg Hourly Price: Low to High ×Clear Filters
  • 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!!!!!!...

    Top Services:

    • Web Design
    • Mobile App Development
    • Web Development
    • eCommerce Development
    • Show more
    Location
    Fremont, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $10,000 - $25,000
  • Experience-Driven Engineering to Digitally Transform Your Business To Stay Ahead.

    Experience-driven engineering to digitally transform your business to stay ahead. We understand your vision and help you build your thoughts into world-class software products. We work with businesses and individuals to help build world-class products and incubate them to grow. Trust us as your technology...

    Top Services:

    • Mobile App Development
    • Web Development
    • eCommerce Development
    • WordPress Website Design
    • AI Development
    • Show more
    Location
    Pleasanton, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $25/hr
  • Succeed Without (L) imitations

    Softermii (https://www.softermii.com/) is an outsourcing/outstaffing company with more than 8 years of experience in web and mobile application development with a team of more than 120 specialists from 6 countries...

    Top Services:

    • Mobile App Development
    • Web Development
    • Software Development
    • UI/UX Design
    • Blockchain
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $45/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    22 Projects Listed
  • Results-Focused Methodology

    We are more than just a group of knowledgeable software developers. We are a company that provides product solutions, from concept to launch...

    Top Services:

    • UI/UX Design
    • Web Development
    • Mobile App Development
    Location
    Irvine, California
    Number of Employees
    500 - 999
    Average Hourly Rate
    $49/hr
    Minimal Budget
    $10,000 - $25,000
  • Engineering peace of mind

    At Vention, unparalleled customer care isnt just a promise its our mission. We blend personalized experience, unwavering attention to detail, and a genuine passion for your business, ensuring that every aspect of our collaboration is tailored to your success...

    Top Services:

    • Software Development
    • Staff Augmentation
    • Mobile App Development
    • Software Testing
    • Web Development
    • Show more
    Location
    San Francisco, California
    Number of Employees
    1000 & Up
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    15 Projects Listed
  • Digital Solutions With Personalized Service.

    Clap Creative is your next door tech firm in Los Angeles offering full-range web services under one roof. An experienced team of web professionals works to create custom internet solutions to meet your business goals. And when we say partners, we mean it!...

    Top Services:

    • Web Design
    • Web Development
    • Mobile App Development
    • Graphic Design
    • eCommerce
    • Show more
    Location
    Calabasas, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $1,000 - $10,000
  • Accelerate Your Roadmap & Drive Innovation

    At Rootstrap, we help companies scale people, processes, and products through outcome-driven development. We’ve helped launch more than 750+ digital products with more than 100 million combined downloads...

    Top Services:

    • Mobile App Development
    • Software Development
    • Web Development
    • AI Development
    • Software Testing
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $87/hr
    Portfolios Count
    8 Projects Listed
  • 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...

    Top Services:

    • Software Development
    • Mobile App Development
    • Web Development
    Location
    San Francisco, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $99/hr
    Minimal Budget
    $1,000 - $10,000
  • Leverage World-class Talent

    Toptal is a highly respected network of elite talent available when needed. Our team of problem-solvers is committed to integrity, and leading companies turn to us for critical projects. We equip organizations with the tools to compete and succeed in a rapidly-evolving business world, boasting exceptional...

    Top Services:

    • Mobile App Development
    • VR/AR
    • Blockchain
    • Software Development
    • AI Development
    • Show more
    Location
    San Francisco, California
    Number of Employees
    1000 & Up
    Average Hourly Rate
    $149/hr
    Minimal Budget
    $50,000 & Up
  • 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...

    Top Services:

    • Mobile App Development
    • Software Development
    • Web Development
    Location
    San Diego, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $199/hr
    Minimal Budget
    $10,000 - $25,000

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
129,495+
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
10

Some agencies pay for sponsored placement, clearly labeled and held to the same vetting standards.

See how rankings and monetization work.