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 × Sports × Sort by: Avg Hourly Price: High to Low ×Clear Filters
  • Transforming Brilliant Ideas Into Exceptional Software

    We collaborate closely with your team to comprehend your product vision, choose the best technology to satisfy the requirements of your users, and create comprehensive, efficient solutions...

    Top Services:

    • UI/UX Design
    • Web Development
    • Product Design
    • Mobile App Development
    • AI Development
    • Show more
    Location
    San Francisco, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $199/hr
    Minimal Budget
    $25,000 - $50,000
  • For People. For Progress.

    Pastilla is a full-service agency based in Los Angeles. We partner with public agencies, nonprofits, and global brands to turn complex missions into clear brand and digital experiences that build trust and move communities to action...

    Top Services:

    • Branding
    • Design Services
    • Graphic Design
    • Web Design
    • Web Development
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $185/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    18 Projects Listed
  • Don't just grow, soar.

    Americaneagle.com is essentially a one-stop shop offering a comprehensive range of options for anyone wishing to thrive in their online pursuits. A family-owned, privately held business with a proven track record of success and reliability is Americaneagle.com...

    Top Services:

    • Web Development
    • SEO
    • Content Marketing
    • Email Marketing
    • Social Media Marketing
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    500 - 999
    Average Hourly Rate
    $175/hr
  • Design In DC

    VerifiedVerified by the DesignRush team for authenticity and credibility.

    A Digital Agency For The Future

    Design in DC engineers native and cross-platform apps that power businesses through prototyping, UI/UX design, m-commerce development, backend API development, QA, App Store submission, and optimization. Its impressive client portfolio includes Under Armour, the World Bank, and Virginia Tech...

    Top Services:

    • Web Development
    • Web Design
    • UI/UX Design
    • Video Production
    • Logo Design
    • Show more
    Location
    San Francisco, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $160/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    12 Projects Listed

    Design In DC Services

    • Web Development
    • Web Design
    • UI/UX Design
    • Video Production
    • Logo Design
    • Graphic Design
    • Digital Marketing
    • Digital Services
    • Advertising
    • Product Design
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Consumer Bankers Association
    • Examit
    • Summit Ridge Energy
    • JFL Consulting
    • Lateenz
    • Solar Landscape
    • Warfel Construction
    • CiviClick
    • Priovant Therapeutics
    • Hilton
    Data sourced from the agency's DesignRush profile

    Design In DC Reviews & Testimonials

    • Mackenzie Shriner
      Mackenzie Shriner Owner at Distinctive Deck Designs
      4.8★

      Web Design Review from Mackenzie Shriner

      I contracted design in DC to build me a custom website. they were accommodating of my budget, very responsive, and gave good insight on layout, content and design. the process was very straightforward and the final product is great!

    • Jo Maney
      Jo Maney Principal at BGR Group
      5.0★

      Web Design Review from Jo Maney

      DDC has been an excellent partner since we engaged with them in 2023. The DDC team worked with us to completely redesign our website and work to provide ongoing digital marketing services. The DDC team has been responsive, proactive, and thorough with their work. They are also very transparent about how they operate and how much time special projects will require. We have referred DDC to several clients and partners thanks to their outstanding process and product. DDC is a very professional, creative, and well-organized team.

    • Sapna Doshi, Ph.D.
      Sapna Doshi, Ph.D. Owner at Mind Body Health LLC
      5.0★

      Web Design Review from Sapna Doshi, Ph.D.

      My experience working with Design in DC was incredible. Everyone was friendly, approachable, and seemed to genuinely care about helping create the best possible website for my business. They were also invested in making sure the process was one in which I enjoyed and felt taken care of. The regular meetings made me feel like I was a priority and that progress was continually being made. I so appreciated the attention to detail in regards to the user experience. The collaboration in understanding my wishes and desires for the website and user experience was met with patience and paying attention to detail on my behalf. Not only were they taking my suggestions but offering their own to help me maximize the potential of my website. The design and functionality is more than what I could have imagined. I know, undoubtedly, that the work that Design in DC did for me will help my business grow. After wasting money in years past on website designers, I was worried I'd be doing hte same here. I was wrong. I don't think I'll ever need to search for another website designer group again. I would recommend this group to anyone I know. Thank you, Design in DC! It was an absolute pleasure working with all of you!

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Your digital partner blending strategy, design, and technology to drive growth.

    Whether you need strategy, consulting, hiring support, or a fresh website, we partner with you to build solutions that fit your goals, budget, and long-term growth...

    Top Services:

    • Web Design
    • Digital Strategy
    • Business Consulting
    • UI/UX Design
    • Web Development
    • Show more
    Location
    Dublin, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    8 Projects Listed
  • Big Ideas Start with SunerGarcia.

    We are SunerGarcia. We are an innovative digital marketing agency that focuses on building around technology and consumer experience. We build exciting brand experiences for our clients. Our team is a fine assortment of movers and shakers, creatives, designers, planners, tech enthusiast, and all around hard...

    Top Services:

    • Web Design
    • Web Development
    • SEO
    • PPC
    • Software Development
    • Show more
    Location
    San Diego, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $1,000 - $10,000
  • 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
  • For Those Who Dare To Compete. Win. Dominate.

    Ad Victorem is a Los Angeles-based creative agency that combines award-winning creativity with business strategy to help challenger brands disrupt the status quo...

    Top Services:

    • Video Production
    • Branding
    • Web Design
    • Digital Services
    • Graphic Design
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $125/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    3 Projects Listed
  • Southern Californias Mobile App experts since 2009

    We are San Diego's mobile-native and mobile-first consultancy. We specialize in Swift for iOS, Flutter for iOS/Android, and React for Web. We have led projects for Fortune 500 companies and startups. If you're looking for an easy-to-talk-to and experienced partner to build your app, call devAtelier!...

    Top Services:

    • Mobile App Development
    • Software Development
    • IoT
    • Web Development
    • Show more
    Location
    San Diego, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $125/hr
    Minimal Budget
    $10,000 - $25,000
  • Build Mobile Apps that Grow Your Business

    MetaCTO will transform your vision into impactful mobile apps that drive new revenue, attract more customers, and keep them coming back longer. Our mission is to make your business a technology leader in your field...

    Top Services:

    • Mobile App Development
    • Software Development
    • Product Design
    • Web Development
    • UI/UX Design
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    1 Project Listed
  • Tap Built, located in California, creates innovative mobile apps and engaging games for entrepreneur

    Tap Built Located in California creates innovative mobile apps and engaging games for entrepreneurs startups and business worldwide...

    Top Services:

    • Mobile App Development
    • UI/UX Design
    • Blockchain
    Location
    West Covina, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $1,000 - $10,000
  • Driving Change Through Technology

    At eQuality Software, we create digital solutions that drive real impact. With over 14 years of experience in mobile app development, our team specializes in designing and delivering scalable, intuitive, and high-performance applications tailored to your business goals...

    Top Services:

    • Mobile App Development
    • Blockchain
    • VR/AR
    • eCommerce Development
    • IoT
    • Show more
    Location
    San Francisco, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    13 Projects Listed
  • Digital Experiences With A Creative Edge

    NoMoBo creates handcrafted mobile apps and visually stunning web applications with a unique approach. Our experienced artists and User Experience designers prioritize your customers, with in-depth research and scalable Cloud IT infrastructure. We deliver high-rated apps and exceptional user experiences...

    Top Services:

    • eCommerce Development
    • Web Design
    • Web Development
    • IT Services
    • Mobile App Development
    • Show more
    Location
    San Diego, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $99/hr
    Minimal Budget
    $25,000 - $50,000
  • 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...

    Top Services:

    • Mobile App Development
    Location
    Santa Monica, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $99/hr
    Minimal Budget
    $10,000 - $25,000
  • TouchZen

    VerifiedVerified by the DesignRush team for authenticity and credibility.

    Premiere Mobile Applications

    Touchzen combines AI innovation with 12+ years of experience to create performance-driven native and cross-platform solutions. With each project directly led by founder Cyrus Kiani, the app development company has launched 75+ apps, amassing 20M+ downloads collectively...

    Top Services:

    • Mobile App Development
    • Product Design
    • UI/UX Design
    • Design Services
    • Web Development
    • Show more
    Location
    Irvine, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $70/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    11 Projects Listed

    TouchZen Services

    • Mobile App Development
    • Product Design
    • UI/UX Design
    • Design Services
    • Web Development
    • Software Testing
    • Software Development
    • Business Consulting
    • Staff Augmentation
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • UCLA
    • Beachbody
    • FullyRaw by Kristina
    • Children's Hospital Los Angeles
    • Harman/Kardon
    • Amalfi Jets
    • JetBay
    • SHRED
    • Get Cover
    • Cancer Buddy
    Data sourced from the agency's DesignRush profile

    TouchZen Reviews & Testimonials

    • Shaya Ghanouni
      Shaya Ghanouni COO at InstaStylin
      5.0★

      Mobile App Development Review from Shaya Ghanouni

      The Touchzen team was amazing!! They were always responsive and ready to incorporate our feedback. The quality of their work was great and the tips they gave us during development were extremely helpful. We would gladly work with them again.

    • Domenic Fraboni
      Domenic Fraboni COO at The Mobility Method LLC
      5.0★

      Mobile App Development Review from Domenic Fraboni

      We couldn't be more pleased with our experience with TouchZen. They took over a bad situation left behind by our previous development team and have been able to continue to build new features while cleaning up the old project. We have been very pleased with their developers responsiveness as well as the project management. I would highly recommend working with them for any of your web or mobile app development needs.

    • Brett Lassig
      Brett Lassig President at Get Cover LLC
      5.0★

      B2C Apps Review from Brett Lassig

      We have been extremely impressed with TouchZen's development team behind the Get Cover Mobile App. Their approach has been collaborative, and responsive to the needs of our warranty and claims environment.The app is intuitive for end users while still delivering the robust functionality needed on the backend, especially around claims processing, and real-time updates.Their diligence has made a significant impact. Features like streamlined claim submission, status tracking, have enhanced both customer satisfaction and operational efficiency.Overall, this highly capable and professional development team has delivered quality work and stands behind it. We look forward to continuing to build and scale with them.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Anmel Transforms_ Digital Success.

    Anmel is proven to boost productivity by up to 60% and efficiency by 45% for startups and enterprises alike. Trusted by businesses globally, Anmel delivers tangible results, driving success and growth in today's competitive market landscape...

    Top Services:

    • AI Development
    • Software Development
    • IT Services
    • Mobile App Development
    • Wearables
    • Show more
    Location
    San Francisco, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $70/hr
    Minimal Budget
    $25,000 - $50,000
  • We Create Innovative Software for the Largest Companies.

    We provide design and development services for software products. Our services are IT consulting and outsourcing, design and development of software using modern technologies based on artificial intelligence, mobile applications, web services and websites, system integration, maintenance and functional...

    Top Services:

    • Branding
    • UI/UX Design
    • Creative Services
    • Mobile App Development
    • Package Design
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $70/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    6 Projects Listed
  • Zoho consulting, development and integration services for operationally complex organizations.

    CodeStringers helps growth-stage and small-to-mid-market companies implement, integrate, and operate Zoho-centered digital enablement solutions by combining senior executive consulting, cost-effective delivery teams, and custom software capabilities when needed...

    Top Services:

    • Software Development
    • AI Development
    • Web Development
    • CRM Consulting
    • ERP Consulting
    • Show more
    Location
    Santa Cruz, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $55/hr
    Minimal Budget
    $50,000 & Up
  • Every Move Is for the Product

    Ardas is an AI-first software service provider helping post-PMF SaaS companies modernize their products and scale them with AI...

    Top Services:

    • Software Development
    • Web Development
    • Mobile App Development
    • AI Development
    • UI/UX Design
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $55/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    11 Projects Listed
  • Digital products. Done beautifully.

    Wve Labs is a digital product company bringing strategy, design, and engineering together to create mobile apps, web platforms, and custom software. Since 2015, we have partnered with startups, growth companies, and global organizations to design, build, and scale digital products...

    Top Services:

    • Mobile App Development
    • Software Development
    • UI/UX Design
    • Product Design
    • Web Development
    • Show more
    Location
    Costa Mesa, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    5 Projects Listed
  • Automating, and Accelerating Growth With AI Excellence

    Folio3 AI specializes in AI and computer vision software development, offering tailored solutions to drive innovation and efficiency for businesses worldwide...

    Top Services:

    • AI Development
    • Software Development
    • Mobile App Development
    • Staff Augmentation
    • Show more
    Location
    Belmont, California
    Number of Employees
    500 - 999
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $10,000 - $25,000
  • Where Creativity Meets Excellence

    USA Design Expert delivers creative, high-quality design solutions from logos to websites that help your brand stand out...

    Top Services:

    • Graphic Design
    • Logo Design
    • Web Design
    • Web Development
    • SEO
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    1 Project Listed
  • Mobilize the Future, Faster

    LYQX is a dynamic mobile and website development agency based in Ukraine, driven by a passionate team of designers and developers with over five years of experience. Specializing in UX/UI design and software development, the agency brings creativity and expertise to every project, ensuring exceptional results...

    Top Services:

    • Mobile App Development
    • Software Development
    • Web Development
    • UI/UX Design
    • eCommerce Development
    • Show more
    Location
    San Francisco, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $49/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    8 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
  • Design Deliver Dominate

    We convert businesses into brands by building booming and beautiful online presences for them...

    Top Services:

    • Web Design
    • Branding
    • Logo Design
    • Digital Marketing
    • Design Services
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    4 Projects Listed
  • Scaling New Heights

    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...

    Top Services:

    • Mobile App Development
    • Blockchain
    • Software Development
    • AI Development
    • IoT
    • Show more
    Location
    Santa Clara, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    6 Projects Listed
  • Developing The Best Mobile Apps

    Appingine is a top app development company in the U.S., known for turning bold ideas into powerful mobile experiences. We create award-winning apps that consistently earn recognition and visibility on the App Store and Google Play. Our team is dedicated to delivering high-quality, user-focused solutions that...

    Top Services:

    • Mobile App Development
    • AI Development
    • VR/AR
    • Web Development
    • Blockchain
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    6 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
  • Unlimited Design & Development. One Flat Monthly Rate.

    Honter Studio is a California-based design agency offering unlimited design subscription services and full web/app development. We help startups and fast-growing teams launch brands, build platforms, and scale creative output all under one flat monthly rate...

    Top Services:

    • Web Design
    • Logo Design
    • Design Services
    • UI/UX Design
    • Branding
    • Show more
    Location
    San Diego, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    12 Projects Listed
  • World Class Software Solutions

    Internet Soft, an IT company excels in providing state-of-the-art solutions. Our offerings include Digital Transformation, AI/ML, IoT, Banking, and Blockchain software solutions, customized to serve both B2B and B2C customers...

    Top Services:

    • Mobile App Development
    • Software Development
    • AI Development
    • Blockchain
    • IoT
    • Show more
    Location
    San Jose, California
    Number of Employees
    500 - 999
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $1,000 - $10,000
  • Make Your Business AI-ready

    IndaPoint, India's leading AI-first development company, builds AI-driven web & app solutions 10x faster at 50% lower costs...

    Top Services:

    • AI Development
    • Software Development
    • Mobile App Development
    • IT Services
    • DevOps Consulting
    • Show more
    Location
    San Francisco, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $30/hr
    Portfolios Count
    6 Projects Listed
  • Design Driven Success

    Squareboat is a design-first software development company with offices in India and the US. Through our Crewmate division, we help global businesses hire top remote developers and build fast, scalable digital products...

    Top Services:

    • Software Development
    • Mobile App Development
    • Web Development
    • AI Development
    • DevOps Consulting
    • Show more
    Location
    San Francisco, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $25,000 - $50,000
  • Digital Transformation Agency.

    Appinventors stands as a prominent Digital Transformation Agency, enabling businesses to prosper within the contemporary digital landscape. At Appinventors, we pride ourselves on delivering exceptional customer support and assistance. Whether you're facing technical challenges or seeking guidance on your...

    Top Services:

    • IoT
    • Mobile App Development
    • Digital Services
    • UI/UX Design
    • Software Development
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $10,000 - $25,000
  • Top 1% Tech Talent with 1500+ In-house Developers

    We don't just build software at Top Remotely we create solutions that work, scale, and impress. With a powerhouse team of 150+ in-house developers, we turn complex challenges into seamless digital experiences. Whether you need custom software, enterprise platforms, or next-gen IT solutions, we bring the Top...

    Top Services:

    • Mobile App Development
    • Software Development
    • DevOps Consulting
    • IT Services
    • Web Development
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    500 - 999
    Average Hourly Rate
    $20/hr
    Minimal Budget
    $10,000 - $25,000
  • 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...

    Top Services:

    • Web Development
    • Mobile App Development
    • Social Media Marketing
    • Digital Marketing
    • Show more
    Location
    San Francisco, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $15/hr
  • Marketing and Strategic Development of Websites For All Businesses!

    WebWolfs is an online digital design agency with the in-house talent which is on a mission to deliver Custom Website Design solutions every time for every clients...

    Top Services:

    • Logo Design
    • Web Design
    • UI/UX Design
    • eCommerce Development
    • Web Development
    • Show more
    Location
    Anaheim, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $15/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    1 Project Listed

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