Discover top mobile app development companies in California that build iOS, Android, and cross-platform apps for startups, entertainment brands, and growing tech companies. Filter providers by budget, industry, and hourly rate to find a partner that fits your project and timeline. Open to working with a team outside California? Compare mobile app development companies across the US and see how rates and experience vary by state.

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 × Hobbies & Gifts × Sort by: Avg Hourly Price: High to Low ×Clear Filters
  • Keep Your Business Competitive in an App-Connected World.

    Expert website design and development - mobile application development - API integration: we do it all! Your online presence can't be left to just anyone. We are an agile-focused agency with a high client satisfaction rate. Whatever you need to build to scale your business - we'll help you build it the...

    Top Services:

    • eCommerce Development
    • Web Development
    • Web Design
    • UI/UX Design
    • Mobile App Development
    • Show more
    Location
    Pasadena, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    12 Projects Listed
  • Well-Rounded Perspectives To Achieve Effective Marketing Outcomes

    Kobe Digital is a unified team of performance marketing, design, and video production experts. Our mastery of these disciplines is what makes us effective. Our ability to integrate them seamlessly is what makes us unique...

    Top Services:

    • Web Design
    • Digital Marketing
    • Video Production
    • Mobile App Development
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    15 Projects Listed
  • 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
  • Offering web and mobile app development.

    Our plethora of web and mobile app development services add value to your business, catering to your business needs, irrespective of business size and industry...

    Top Services:

    • UI/UX Design
    • Web Design
    • eCommerce Development
    • Branding
    • Graphic Design
    • Show more
    Location
    Rancho Santa Margarita, California
    Number of Employees
    250 - 499
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
  • We Build Apps That Users Love

    Pentagram is a globally recognized independent design consultancy delivering multidisciplinary creative services across branding, digital experiences, and visual communication. The firm works with organization of all sizes to craft impactful identities, combining strategy, design thinking and technology to...

    Top Services:

    • Mobile App Development
    • UI/UX Design
    Location
    San Francisco, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $24/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project Listed

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
132,421+
2

Portfolio Review

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

Applicants rejected
48%
3

Ongoing Audit

We monitor listings regularly; outdated agencies are removed.

Agencies verified
5

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

See how rankings and monetization work.