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 × Luxury × Sort by: Top Rated ×Clear Filters
  • We help businesses in building Web, App, Software, and Adapting AI Solutions.

    Specializing in iOS, Android, and Flutter app development, Probey Services builds custom solutions that grow with businesses. Backed by 12+ years of experience and a team of 320+ specialists, it has delivered 1,800+ projects and served 120+ clients, including Waze and the Cleveland Clinic...

    Top Services:

    • Mobile App Development
    • Software Development
    • Web Development
    • Web Design
    • WordPress Website Design
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    250 - 499
    Average Hourly Rate
    $10/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    94 Projects Listed
  • Reforming Tomorrow's Tech

    Empowering California Businesses with Bespoke Web Design and Development Services...

    Top Services:

    • Web Development
    • eCommerce Development
    • WordPress Website Design
    • Mobile App Development
    • Software Development
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    11 Projects Listed
  • ZERO NEGATIVE

    VerifiedVerified by the DesignRush team for authenticity and credibility.Award WinnerRecipient of a Best Design Award for outstanding work.

    Boutique studio creating tailored web experiences.

    Reach for the sky. We are Zero Negative. Your sidekick for big ideas. In a nutshell, Zero Negative is a small, boutique full-service design and development studio with a focus on creativity and close collaboration with clients. We make stuff - websites, web apps, interactive experiences, branding, and...

    Top Services:

    • Web Development
    • Web Design
    • WordPress Website Design
    • Branding
    • UI/UX Design
    • Show more
    Location
    San Francisco, California
    Number of Employees
    Under 49
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    8 Projects Listed

    ZERO NEGATIVE Services

    • Web Development
    • Web Design
    • WordPress Website Design
    • Branding
    • UI/UX Design
    • Graphic Design
    • Digital Services
    • Mobile App Development
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Mercedes-Benz
    • United Nations Development Programme
    • KFC
    • Vodafone Foundation
    • GS1
    • Conad
    • Curative Biotech
    Data sourced from the agency's DesignRush profile

    ZERO NEGATIVE Reviews & Testimonials

    • Jaroslav Tyman Jr.
      Jaroslav Tyman Jr. General Manager at Automation IG
      5.0★

      Web Development Review from Jaroslav Tyman Jr.

      We contacted Zero Negative about a two stage renewal of our company website with a very aggressive timeline for the first stage. Zero Negative worked and guided us through pulling off the first stage within our timeline while also ensuring that the content and ideas for that stage were readily applicable to the full design. When we got to the full design, they were fully responsible for corralling the various preferences and ideas from our team into a well executed cohesive site. We're now in a good spot and look forward to continuing to work with Zero Negative as our business and needs grow.

    • Susan E. Roberts
      Susan E. Roberts Principal at Roberts Communications
      5.0★

      Web Development Review from Susan E. Roberts

      Zero Negative did an exceptional job designing my website, roberts-communications.com. From the start, they understood that this wasn't just about aesthetics it was about positioning, credibility, and clarity for a senior-level communications brand.They translated a complex, high-stakes business into a site that feels polished, modern, and authoritative without being flashy or over designed. The process was collaborative, efficient, and thoughtful, and they were responsive to feedback while also offering smart guidance when it mattered.The final result reflects exactly how I want Roberts Communications to be perceived: strategic, sophisticated, and trusted. I would highly recommend Zero Negative to anyone looking for a design partner who understands brand, not just web building.

    • Anonymous
      Anonymous President at OTEC Manufacturing
      5.0★

      Web Development Review from Anonymous

      These guys are the best! We engaged with Zero Negative to develop a comprehensive web-based system for our factory that allows for managing orders, processes, and inventory. This initiative was essential for us to secure a big ticket client. We truly could not have accomplished this without their assistance. They dedicated considerable time to on-boarding and collecting the requisite information, followed by prototyping the software, and ultimately developing it from scratch. Overall, we are very satisfied.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Metajive helps brands grow through design, technology & modern marketing.

    Webby Award-winning enterprise digital experience agency specializing in connected commerce, Shopify Plus & AI-powered products. 21 years. Google, Lyft, HP, Nike, Porsche. $250k$1M+ builds. Inc. 5000 #1601. FT Americas' Fastest Growing #131. Part of Together Group. Encinitas, CA...

    Top Services:

    • eCommerce Development
    • Web Design
    • UI/UX Design
    • Web Development
    • AI Development
    • Show more
    Location
    Encinitas, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $200/hr
    Portfolios Count
    17 Projects Listed
  • Use All Five

    VerifiedVerified by the DesignRush team for authenticity and credibility.

    Design and developing digital experiences that move people

    Use All Five is a dynamic digital agency that specializes in crafting extraordinary experiences that will captivate and move your audiences...

    Top Services:

    • Digital Services
    • Web Design
    • Web Development
    • Graphic Design
    • Digital Strategy
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Portfolios Count
    8 Projects Listed

    Use All Five Services

    • Digital Services
    • Web Design
    • Web Development
    • Graphic Design
    • Digital Strategy
    • AI Development
    • Mobile App Development
    • Business Consulting
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Google
    • Guggenheim
    • Headspace
    • MOCA
    • UCLA
    Data sourced from the agency's DesignRush profile

    Use All Five Reviews & Testimonials

    • Rostislav (Rusty) Klibaner
      Rostislav (Rusty) Klibaner Executive Communications & Events Manager at UCLA
      5.0★

      Web Development Review from Rostislav (Rusty) Klibaner

      We can't possibly recommend Use All Five enough! Our office came to the Use All Five team wishing to redesign and overhaul our website, which greatly needed functional and structural upgrades. From the get-go, Kara, Michelle, Levi, and their whole team were kind, supportive, and communicative with all of our questions and concerns. Moreover, they were endlessly inventive with their ideas, recommendations, and overall approach (not to mention always willing to be flexible and work within our budget). They took in all of our feedback and needs, and then masterfully incorporated our requests into a product that went beyond our greatest expectations. The resulting website was nothing short of amazing: featuring dynamic, wonderful colors, ease of navigation, and accessibility for all users. We're so lucky to have worked with Use All Five, and cannot wait to collaborate with them again in the future!

    • Kerrie Mitchell
      Kerrie Mitchell Editorial Director at New-York Historical Society
      5.0★

      Digital Services Review from Kerrie Mitchell

      We worked with Use All Five on the redesign of our flagship site. It was an incredibly complex project and website with a large number of stakeholders, but UA5 managed it all with ease, grace, organization, and good humor. The site they created for us was gorgeous, and we continue to work with them on ongoing maintenance. I was incredibly thankful to have them as partner on this undertaking and really couldn't have imagined doing it without them. Would highly recommend their services.

    • Anonymous
      Anonymous CEO at Gavin Dogan
      5.0★

      eCommerce Development Review from Anonymous

      Our experience with Use All Five on our e-commerce project was outstanding from start to finish. They built us a custom Shopify-based solution that perfectly captured our brand aesthetic while delivering powerful functionality. The team's technical expertise and creative vision resulted in a website that not only looks incredible but also drives conversions. Since launch, we've seen a substantial boost in online sales and received numerous compliments from customers about the user experience. Use All Five proved to be reliable, innovative, and genuinely invested in our success. I wouldn't hesitate to work with them again.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Certified E-Commerce Development Company

    Certified E-Commerce Development Company...

    Top Services:

    • eCommerce Development
    • Web Development
    • IT Services
    • Web Design
    • Mobile App Development
    • Show more
    Location
    San Francisco, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    16 Projects Listed
  • Innovative design and development

    Mobikasa is a full-service global digital agency headquartered in Miami, delivering high-performance web, mobile, and e-commerce solutions since 2011. We help brands scale through custom apps, scalable storefronts, and data-driven marketing, blending strategy, design, and technology...

    Top Services:

    • Web Development
    • eCommerce Development
    • Web Design
    • Mobile App Development
    • Digital Marketing
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    13 Projects Listed
  • We Are Focused on Making Things Work for You and Your Business!

    COFA Media uses a people-based approach to deliver exceptional branding services. Their digital marketing team focuses on each client's unique audience, which results in a high client satisfaction rate. Some of COFA Media's core services include e-commerce, website design, social media, SEO, interaction & UX...

    Top Services:

    • eCommerce Development
    • WordPress Website Design
    • Mobile App Development
    • eCommerce
    • Branding
    • Show more
    Location
    Carlsbad, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $125/hr
    Minimal Budget
    $25,000 - $50,000
  • End-to-end digital product design and engineering.

    End-to-end digital product design and engineering for enterprises and premium brands...

    Top Services:

    • Branding
    • Mobile App Development
    • Software Development
    • AI Development
    • Design Services
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    4 Projects Listed
  • Delivering Value Digitally

    Ayatas Technologies is a digital commerce agency, boasting a robust legacy of 15 years marked by unparalleled experience, unwavering expertise, & a dynamic team dedicated to pushing the boundaries of innovation. Specializing in website design, e-commerce solutions, and custom software development...

    Top Services:

    • eCommerce Development
    • Web Development
    • WordPress Website Design
    • Web Design
    • Mobile App Development
    • Show more
    Location
    Sacramento, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $50/hr
    Portfolios Count
    19 Projects Listed
  • Trusted by Global Enterprises

    At Briskstar Technologies, we have 6+years of experience in core development which makes valuable additions to help clients to grow their business. We have an experienced team of developers based out in India who can assist clients remotely as per their time zone with a weekly reporting structure...

    Top Services:

    • Web Development
    • eCommerce Development
    • UI/UX Design
    • Software Testing
    • AI Development
    • Show more
    Location
    Torrance, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $20/hr
    Minimal Budget
    $1,000 - $10,000
  • The Website Specialist

    We're a one-stop Web Design & Marketing agency. Work with the best website design company in San Diego. Grow your business and boost sales with our top ranked website design services. Offering everything you need to launch your business online. Hosting, Domain, Maintenance, Marketing Strategy, Custom Website...

    Top Services:

    • Digital Marketing
    • SEO
    • Web Development
    • Web Design
    • Mobile App Development
    • Show more
    Location
    San Diego, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $75/hr
    Minimal Budget
    $1,000 - $10,000
  • Turn Opportunities Into Success.

    Digital Marketing and Creative Consulting - strategy, technology, and design are the cornerstones of developing user experiences that support your needs and strengthen your business...

    Top Services:

    • Digital Marketing
    • Web Design
    • Mobile App Development
    Location
    San Mateo, California
    Number of Employees
    Under 49
  • Shopify design, development and marketing agency.

    Digital commerce agency Coderapper focuses on growth and has locations in the US, Canada, and India. For meaningful customer experiences, we combine data-driven design, specialized development, and targeted growth strategy...

    Top Services:

    • Web Design
    • Mobile App Development
    • eCommerce Development
    • UI/UX Design
    • Email Marketing
    • Show more
    Location
    Sunnyvale, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $99/hr
    Minimal Budget
    $25,000 - $50,000
  • Web Design & Development Company Anchored in Los Angeles, CA

    We're a leading web design & development company in Los Angeles, CA – Specializing in UI/UX Design, Web Design, Product Design, & Web Development...

    Top Services:

    • Web Development
    • Web Design
    • Mobile App Development
    • Design Services
    • Product Design
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $149/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    4 Projects Listed
  • We Build Innovative Technology.

    Applications and platforms proudly built here in the USA. We have assisted some of the most prominent global brands operating in complex and heavily regulated sectors in successfully launching software solutions that underpin their go-to-market strategy, ensuring a world-class customer experience...

    Top Services:

    • Software Development
    • Mobile App Development
    • UI/UX Design
    • Product Design
    • Creative Services
    • Show more
    Location
    Irvine, California
    Number of Employees
    Under 49
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    14 Projects Listed
  • Professional Website Design & Development Company in USA.

    Website Barrel stands as a distinguished professional website design company, providing cost-effective and tailor-made web development services executed by seasoned experts based in the USA. With a commitment to excellence, our team of skilled professionals utilizes their expertise to craft bespoke websites...

    Top Services:

    • Branding
    • Logo Design
    • Web Design
    • Web Development
    • Mobile App Development
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    3 Projects Listed
  • 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
129,859+
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
18

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