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.

Best California Mobile App Developers

126 Companies-Rankings updated: August 19, 2026

Every agency featured on DesignRush is vetted for expertise and client satisfaction to support your decision-making. Some listings may be sponsored.

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  • Fission Labs

    High Performance Software Products

    Fission Labs is a digital transformation consulting firm specializing in data engineering, cloud consulting, and AI-driven solutions to enhance customer experience and operational efficiency. With a team of expert architects and engineers, the agency delivers transparent, agile processes that accelerate...

    Location
    Sunnyvale, California
    Number of Employees
    250 - 499
    Visit WebsiteView Profile
    4.1 4.1 (232)

  • Zignuts Technolab

    Leading AI-Powered Software Development Agency.

    Zignuts Technolab is a top-rated Web and On-demand Mobile App development company in the USA, Germany, and India. We strive to excel in the invention and development of the industry’s most advanced technologies. We will help you to make your digital dreams in on your hand...

    Location
    San Francisco, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $25/hr
    Portfolios Count
    1 Project Listed
    Visit WebsiteView Profile
    4.8 4.8 (5)
    4.4 4.4 (104)

  • Femtomax Inc.

    VerifiedVerified by the DesignRush team for authenticity and credibility.

    Technology Solutions for You.

    Access information technology professionals with experience of working with startups to Fortune 500 companies without breaking the bank. Our services are well suited for retail, manufacturing, startups and healthcare businesses. Talk to us for a free consultation...

    Location
    San Jose, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    3 Projects Listed
    Visit WebsiteView Profile

  • Day One Technologies

    Building Tomorrow's Products With AI Today

    Day One Technologies is an AI Development specialist, creating intelligent products that are futuristic and user-centric. In three years, we've successfully served industries from FinTech to TravelTech across various markets, offering innovative solutions backed by AI, machine learning, and more. Our services...

    Location
    Los Angeles, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    4 Projects Listed
    Visit WebsiteView Profile

  • Naxtech

    Honest, Practical, & Focused On Results

    Founded in 2005 in Reading (UK) Naxtech is a Digital Agency focusing on helping businesses grow, increase profitability, while attracting new customers via the effective use of technology and digital marketing...

    Location
    San Francisco, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    3 Projects Listed
    Visit WebsiteView Profile

  • ZealousWeb

    Solving The Unsolved

    ZealousWeb is a Web & Digital Marketing Agency with the mission of solving the unsolved by providing cognitive business solutions to expedite digital transformation...

    Location
    San Diego, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $25/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    5 Projects Listed
    Visit WebsiteView Profile

  • WebMob Technologies

    Top Web and Mole App Development Company

    Webmob Technologies is global leader in custom web & app development, offering consulting & development services to businesses of all sizes -from startups to mid-sized organizations to enterprises. Our custom web & app-development expertise have earned us top reviews & prominent position in industry...

    Location
    San Jose, California
    Number of Employees
    100 - 249
    Portfolios Count
    9 Projects Listed
    Visit WebsiteView Profile
    4.1 4.1 (86)

  • CodeJunkie

    Software Agency That Helps You Innovate

    Helping startups build digital products faster & better. We design and develop quality mobile and web applications for early stage startups faster and cut their time to market...

    Location
    Walnut, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Portfolios Count
    3 Projects Listed
    Visit WebsiteView Profile

  • ESP Inspire

    Get Inspired, Get Online, Get Ahead!

    ESP Inspire is a California-based digital marketing, website design, and development company. We specialize in creating user-friendly websites, guaranteeing SEO excellence, delivering complete e-commerce solutions, providing innovative mobile app development, and offering powerful PPC solutions...

    Location
    Albany, California
    Number of Employees
    250 - 499
    Average Hourly Rate
    $5/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    6 Projects Listed
    Visit WebsiteView Profile
    5.0 5.0 (9)

  • Start Mobile

    Your Marketplace in a Month.

    At Start Mobile, we create innovative online marketplaces featuring mobile apps and AI-powered by ChatGPT. Our unique approach ensures each platform is tailored to meet specific business needs, enhancing user experience and functionality. Partner with us to leverage cutting-edge technology and transform your...

    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $1,000 - $10,000
    Visit WebsiteView Profile

  • Softjourn

    You Have Ideas. We Bring Them to Life.

    Our 200+ employees take pride in finding creative solutions to our clients toughest challenges whether they need us to assist with applying new technology and functionality which will increase revenue by improving their services for their customers or to reduce the expense of trying to maintain older...

    Location
    Fremont, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $50/hr
    Portfolios Count
    1 Project Listed
    Visit WebsiteView Profile
    4.0 4.0 (4)

  • NEKLO

    AI-driven custom software development for complex, high-growth industries.

    NEKLO is an international custom software development partner. Since 2008, weve specialized in building and scaling digital products for high-stakes industries, including Healthcare, Fintech, Energy, and Construction...

    Location
    Burlingame, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    4 Projects Listed
    Visit WebsiteView Profile

  • MAB

    Search, Development, Social and Brand.

    MAB builds creative brand strategies rooted in analytics and optimized through years of experience. Their core services include search, development, social and brand which translates to web design, UI/UX, creative development, digital strategy & more...

    Location
    Newport Beach, California
    Number of Employees
    Under 49
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    6 Projects Listed
    Visit WebsiteView Profile

  • LuminoGuru

    Innovative and intelligent technology solutions and services

    If we break down the essence of Luminoguru, it is made up of two words: 'Lumino' meaning 'Light' and 'Guru' meaning 'Teacher'. In the realm of work, light symbolizes clarity and inspiration. Like a guiding beacon, it lightens up ideas, nurtures creativity, and transforms the workspace into a realm where...

    Location
    Nevada City, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $20/hr
    Minimal Budget
    $1,000 - $10,000
    Visit WebsiteView Profile
    4.6 4.6 (3)
    4.2 4.2 (51)

  • 4 Way Technologies

    Hire Ruby on Rails Developers.

    4 Way Technologies is a USA based creative Ruby on Rails Developer Company. With our vision of providing quality-driven solutions at affordable costs, we have completed several years of business...

    Location
    Fremont, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $1000/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    1 Project Listed
    Visit WebsiteView Profile
    5.0 5.0 (4)

  • BL3NDlabs

    Building Products That Change the Future of Businesses

    BL3NDlabs is an end-to-end strategy, design, and technology firm. We redefine the way business gets done with industry-standard and emerging technologies...

    Location
    San Diego, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    4 Projects Listed
    Visit WebsiteView Profile
    5.0 5.0 (3)

  • Webiotic

    Building High-Performing Mobile Apps

    Our design and development services will advance your company and provide outstanding value...

    Location
    Los Angeles, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $149/hr
    Minimal Budget
    $1,000 - $10,000
    Visit WebsiteView Profile
    5.0 5.0 (11)

  • Pratham Software

    Global IT Solutions

    We are a digital transformation consulting and software development company that delivers cutting edge solutions for global organizations and technology startups. Since 2000 we have been helping companies and established brands re-imagine their business through digitization...

    Location
    Saratoga, California
    Number of Employees
    250 - 499
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $10,000 - $25,000
    Visit WebsiteView Profile

  • EZ Digital

    Designing and Development Made Easy

    We believe enhanced product designs integrated with advanced technology can significantly propel business growth and market expansion. We're committed to addressing our client's needs, providing unparalleled customer service, and delivering exceptional product quality through cutting-edge technology...

    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $10,000 - $25,000
    Visit WebsiteView Profile
    5.0 5.0 (1)

  • Qodestar

    Mobile App Experiences That Inspire

    Qodestar is a digital studio focused on building clean, high-performing mobile apps and digital experiences. We partner with startups, growing businesses, and creative teams to transform ideas into intuitive mobile solutions through thoughtful design and development...

    Location
    San Diego, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $75/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    1 Project Listed
    Visit WebsiteView Profile

  • Bluelight

    Empower Your Business With Custom Software, AI, & Nearshore Talent Solutions

    Bluelight is a U.S.-headquartered nearshore software development consultancy. Bluelight provides top-tier IT talent from Latin America (and onshore) who are fluent in English, work U.S. business hours, and serve as a cost-effective alternative to U.S.-based hires...

    Location
    Sacramento, California
    Number of Employees
    250 - 499
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $10,000 - $25,000
    Visit WebsiteView Profile
    5.0 5.0 (7)

  • DECOSTA Global

    Achieving the Unachievable.

    We create and manage the world's most iconic brands. Brand and product agency that delivers heroic work and legendary clients. DECOSTA has worked with clients in a wide range of industries including entertainment, consumer goods, technology, energy, finance, and more...

    Location
    Burbank, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $300/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    6 Projects Listed
    Visit WebsiteView Profile
    5.0 5.0 (1)

  • Webential

    Empowering Digital Success With Cutting-Edge Solutions and Proactive Excellence

    Webential is a top digital agency specializing in web development, digital marketing, and design services. With over a decade of experience, they offer SEO, PPC, custom web development, and e-commerce solutions...

    Location
    Foster City, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $1,000 - $10,000
    Visit WebsiteView Profile
    4.3 4.3 (1)

  • Stateside Agency

    We Build Your Digital Team, so You Can Focus on Building Your Business

    Stateside is a minority-owned, California, Small-Business Certified creative & technical digital agency that provides efficient, scalable production services through co-location of resources in the U.S. and Costa Rica...

    Location
    Los Angeles, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $65/hr
    Visit WebsiteView Profile

  • Sileria

    Innovative Mobile Application Development

    Our goal is to create software applications with the best code and product quality imaginable, exceeding all standards...

    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $149/hr
    Minimal Budget
    $50,000 & Up
    Visit WebsiteView Profile
    5.0 5.0 (9)

  • Orion eSolutions

    Holistic & Innovative Solutions For Your Business Needs.

    Orion eSolutions is not only a one stop shop for technology but also a software boutique specialised in development of web applications, mobile apps, desktop application or customisation of already built technology upto the par of best practice in the market...

    Location
    San Jose, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $10,000 - $25,000
    Visit WebsiteView Profile

  • Lanex Corporation

    Lanex Corporation - Tailor-made solutions for your business needs

    Here at Lanex Corporation, we are a full-cycle software development service provider specializing in bespoke digital solutions for startups and companies globally. We build scalable and secure products designed to impact your brand and provide the best digital experience for your users...

    Location
    San Francisco, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $49/hr
    Minimal Budget
    $25,000 - $50,000
    Visit WebsiteView Profile

  • STAUFFER

    We Build It.

    Leaders, Innovators, and Mavericks in the website and mobile application development industry. Offering cutting-edge design and custom services, which boldly challenge conventional requirements for achievement in the highly competitive landscape of the internet...

    Location
    Beverly Hills, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $150/hr
    Visit WebsiteView Profile

  • ITColark Consulting

    Building Smart Enterprise Solutions For Growing Businesses.

    ITColark Consulting delivers customized enterprise software and IT solutions that help businesses streamline operations, scale efficiently, and achieve digital growth...

    Location
    California City, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $11/hr
    Minimal Budget
    $10,000 - $25,000
    Visit WebsiteView Profile

  • Emotive Brand

    Brand Strategy & Design Firm

    Emotive Brand is a San Francisco Bay Area brand strategy and design firm that helps companies transform their business by making brands matter more to people...

    Location
    Oakland, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $250/hr
    Visit WebsiteView Profile

  • Top Remotely

    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...

    Location
    Los Angeles, California
    Number of Employees
    500 - 999
    Average Hourly Rate
    $20/hr
    Minimal Budget
    $10,000 - $25,000
    Visit WebsiteView Profile

  • Attractor Software

    Developing and integrating eCommerce apps

    Since 2012, Attractor Software LLC has offered Custom Software Development as an outsourcing service for projects of varying complexity and size...

    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $49/hr
    Minimal Budget
    $10,000 - $25,000
    Visit WebsiteView Profile
    4.6 4.6 (8)

  • Fox Digital Creatives

    Helping Brands Thrive With Next-Level Solutions

    Hire a web design company in california to ensure product marketing through multi-channels email marketing, social media marketing, search engine optimization, and beyond...

    Location
    California City, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $60/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    4 Projects Listed
    Visit WebsiteView Profile

  • Fishermen Labs

    Top Augmented Reality & Virtual Reality Agency

    An Immersive Media Agency specializing in the development of Extended Reality (XR, AR, VR, MR) experiences driving meaningful connections between brands & consumers. Our global team of skilled designers, artists, and developers craft creative narratives & experiences powered by emerging tech...

    Location
    Culver City, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $200/hr
    Minimal Budget
    $10,000 - $25,000
    Visit WebsiteView Profile

  • Forge Studio

    Senior Product Designers Embedded in Your Team — Design Systems, Staff Augmentation, and Zero-to-One

    Forge Studio places senior product designers (L4-L6 caliber) from Coinbase, Roblox, and Instacart directly into your team. Embedded design teams, enterprise design systems, and zero-to-one product design. $9.5M+ in engagements since 2017...

    Location
    San Francisco, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $200/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    2 Projects Listed
    Visit WebsiteView Profile

  • Green Marketing

    We're creators, marketers, and storytellers with a passion to bringing sustainable ideas to life.

    GreenMarketing.ca is a leading web agency specializing in web design and development, with a focus on creating custom WordPress plugins & websites, as well as WooCommerce and Shopify stores. With over 10 years of experience, founder Nathan Ergang ensures top-tier service in WordPress speed optimization and...

    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    2 Projects Listed
    Visit WebsiteView Profile
    5.0 5.0 (19)

  • OhShift

    Eliable Software Engineering Partner Your Company Deserves.

    OhShift is the trustworthy partner in software engineering what your business needs.We provide solutions, platforms, and applications that are supported by our tailored agile methodology, sound engineering standards, and trustworthy partners...

    Location
    Hermosa Beach, California
    Number of Employees
    Under 49
    Minimal Budget
    $1,000 - $10,000
    Visit WebsiteView Profile

  • Iteration Group

    Redesigning and Modernizing Software and Applications.

    Iteration Group is a boutique product-strategy and user-experience consultancy founded in 2011. The agency partners with startups, well-capitalized ventures, consumer brands, and enterprises to deliver purposeful product design from UX/UI strategy and wireframes to functional prototypes and scalable app...

    Location
    Westlake Village, California
    Number of Employees
    Under 49
    Visit WebsiteView Profile

  • Geex Arts

    Designing Memorable Digital Products

    Geex Arts is a digital product design and development agency offering consultancy and end-to-end support for bringing innovative digital products to market. With a prominent international presence and a track record of success across multiple continents, it specializes in design, branding, mobile app...

    Location
    Mountain View, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $99/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    1 Project Listed
    Visit WebsiteView Profile

  • NEXTWERK

    Software Solutions Simplified

    As a software services firm, delivering excellence is our mission. We offer development services through specialized teams segmented through our various brands. ​Whether that is app or website development, WordPress, Open Source, Billing, or E-commerce; we​ deliver what we promise. We have simplified the...

    Location
    Carlsbad, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $15/hr
    Minimal Budget
    Under $1,000
    Visit WebsiteView Profile

  • Raindrops Infotech

    Mobile App and Web Designing Company in California

    At Raindrops Infotech, we prioritize your success through expertise, innovation, and unwavering support. Our skilled team customizes solutions that align with your vision, ensuring you achieve your business goals efficiently. Let us partner with you on this journey!...

    Location
    Garden Grove, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
    Visit WebsiteView Profile

  • Rare Crew

    Bridging the Gap Between Business and Technology

    Rare Crew is a custom software development company with over a decade of experience. Rare Crew develops custom solutions for all kinds of business, from multinational organizations to start-ups looking to grow their business...

    Location
    Los Angeles, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $1,000 - $10,000
    Visit WebsiteView Profile

  • GreatLike Media

    Orange County Web Design

    GreatLike Media is the leading Orange County web design, SEO and digital marketing company since 2009, located in orange, California, we specializes in custom website design, web development, wordpress design, digital marketing, search engine optimization, PPC, SMM, content marketing...

    Location
    Orange County, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $49/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    3 Projects Listed
    Visit WebsiteView Profile

  • Metamins

    Driving the Digital World Forward

    Metamins specializes in creating high-loaded web solutions, mobile applications, and IoT technologies. As a preferred partner for innovation-oriented companies, we provide best-in-class R&D services, extending our clients' reach to millions of users worldwide...

    Location
    Burlingame, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $10,000 - $25,000
    Visit WebsiteView Profile

  • Britelite Immersive

    Design. Build. Experience.

    Britelite Immersive is a creative technology agency that places people and brands at the center of immersive and interactive experiences...

    Location
    San Francisco, California
    Number of Employees
    Under 49
    Minimal Budget
    $50,000 & Up
    Visit WebsiteView Profile

  • VinnCorp

    Build Your High Tech Remote Teams in 24 Hours

    VinnCorp is the best Digital Transformation Firm, with a wide range of services being offered to the clients like Web Development, Enterprise systems, Social Media Marketing, UI/UX Designing, Mobile App Development, and System Integration performed by the core team with years of experience...

    Location
    Elk Grove, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
    Visit WebsiteView Profile

  • Bean Machine

    Startup professionals you can trust

    Founded by a team of seasoned startup professionals, Beanmachine is a dedicated platform designed to assist entrepreneurs and businesses in transforming their mobile or web ideas into reality...

    Location
    Orange County, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $149/hr
    Minimal Budget
    $10,000 - $25,000
    Visit WebsiteView Profile

  • SETA International

    Light up Ideas To Create Future.

    Offering IT outsourcing and consulting services, we specialize in web and mobile development that harnesses the potential of AI, IoT, Big Data, and Blockchain technologies. Our focus is on tailoring cutting-edge solutions to effectively address clients' challenges and drive achievements across diverse...

    Location
    Irvine, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $18/hr
    Minimal Budget
    $1,000 - $10,000
    Visit WebsiteView Profile

  • Atlantis

    Straight hands. Hot heads.

    We use the best world practices (YAGNI, KISS, DRI, and SOLID). An enterprise approach is an advantage, not an excuse. An extreme approach to development allows us to resort to the use of development-driven methodologies, in particular design, domain, bound, and testing...

    Location
    Newport Beach, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $1,000 - $10,000
    Visit WebsiteView Profile

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