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

666 Companies-Rankings updated: August 20, 2026

Each agency listed on DesignRush is assessed for industry expertise and customer testimonials are evaluated in order to provide you with a vetted selection. Certain listings represent paid partnerships.

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  • TopDevz

    Innovative Software Development

    TopDevz is an innovative software development and technology delivery partner that brings your ideas and visions to life quickly and cost-effectively by giving you direct access to elite software development experts located throughout the United States and Canada who are rated at the top 1% of their skill...

    Location
    Sacramento, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $145/hr
    Minimal Budget
    $25,000 - $50,000
    Visit WebsiteView Profile
    4.7 4.7 (35)

  • Serious Development

    Intelligent solutions for competitive advantage

    We are seasoned business owners, product managers, project managers, and software engineers who are committed to assisting you in expanding your company...

    Location
    Pasadena, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $99/hr
    Minimal Budget
    $10,000 - $25,000
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  • Technicate Solutions

    High-Quality Development Team

    Technicate studies concepts and develops the product from the ground up, from simple ideas to effective applications. We immediately transform into your dependable, quick, high-quality development team...

    Location
    Rancho Cordova, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $149/hr
    Minimal Budget
    $1,000 - $10,000
    Visit WebsiteView Profile
    4.2 4.2 (5)

  • Frog

    Craft experiences that touch hearts and move markets

    Frog (part of CapgeminiInvent) is a global creative and design consultancy founded in 1969 and headquartered in San Francisco. With over 2,000 employees and studios in North America, Europe, and Asia, Frog fuses strategy, design, data and technology to reimagine products, services and businesses. The firm...

    Location
    San Francisco, California
    Number of Employees
    1000 & Up
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    4.8 4.8 (4)

  • Paradigm Solutions

    AI-native Engineering. Enterprise-grade Results

    Paradigm provides custom low-code software solutions. Our commitment is to empower organizations with the tools they need to streamline processes, automate tasks, and scale operations efficiently. Through a fusion of expert development and a deep understanding of our clients' unique challenges, we aim to be...

    Location
    Temecula, California
    Number of Employees
    Under 49
    Minimal Budget
    $1,000 - $10,000
    Visit WebsiteView Profile
    5.0 5.0 (1)

  • Luvina Software

    Precision Discipline Delivery

    Luvina is a well-known software outsourcing business that specializes in providing clients all around the world with excellent IT solutions. With a dedicated team of more than 750 experts, Luvina provides comprehensive software development services that are customized to each client's specific needs. Luvina...

    Location
    San Jose, California
    Number of Employees
    500 - 999
    Average Hourly Rate
    $25/hr
    Visit WebsiteView Profile
    4.7 4.7 (61)

  • ArkusNexus

    Accelerating Progress Through Technology

    We can extend your team, expand your products and innovate your current technology...

    Location
    San Diego, California
    Number of Employees
    500 - 999
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    2 Projects Listed
    Visit WebsiteView Profile
    4.3 4.3 (14)

  • Nova Era Agency

    Building the new era of digital growth

    Nova Era is a digital solutions agency built to merge creativity with innovation, offering web and app design, development, video production, automation, and customized AI tools. The focus is always on building smarter systems that help businesses work seamlessly and communicate with impact.What defines the...

    Location
    San Francisco, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $149/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    2 Projects Listed
    Visit WebsiteView Profile
    5.0 5.0 (19)

  • Halkwinds

    Inspired by Technology

    Hawkwinds is a leading Custom software development company specialized in Fantasy Sports, Social network and AI. We build the world’s best fantasy sports software & Social network solutions. Get in touch with us today...

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

  • Inspironix, Inc.

    Inspired IT Solutions

    Inspironix provides custom web data system development, and InspiroScan, a high quality, cost effective bubble form solution. Inspironix specializes in serving apprenticeships, K-12 education, higher education, public agencies, and emergency medical services...

    Location
    Sacramento, California
    Number of Employees
    Under 49
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  • ScanTek

    Capturing Reality To Design The Future

    ScanTek 3D is a San Diego-based Design & Engineering Firm that develops and enables leading edge lidar solutions that allow for high-precision 3D capture, measurement and analysis across a variety of industries, including manufacturing, construction, engineering and public safety. Our team of experts lead the...

    Location
    San Diego, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $105/hr
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  • Kegan Quimby

    Grow Your Web Presence

    In what has proven to be the best decision of my life, I took the summer of 2012 off to ride my bike across the country to raise money and awareness for affordable housing...

    Location
    San Francisco, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $1,000 - $10,000
    Visit WebsiteView Profile
    5.0 5.0 (17)

  • ConstantMD Inc.

    Complete IT & Digital Service Solutions

    California, United States: ConstantMD Inc. ConstantMD, which began operations in 2011 and has worked with more than 100 clients globally, is one of the most well respected offshore software development service providers on the market for its exceptional quality and dedication to innovation. To satisfy the...

    Location
    Riverside, California
    Number of Employees
    Under 49
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  • KAMPP Technology and Marketing

    Empower Your Business With Custom Marketing Solutions.

    Kampp Technology & Marketing as the Internet Marketing Company in Orange County, We Implement A Marketing Strategy Specifically For your Business Needs , We do not take one solution fits all approach so with us you are getting 100 % Tailored and customized Internet Marketing Solution which seamlessly...

    Location
    Laguna Hills, California
    Number of Employees
    Under 49
    Minimal Budget
    Under $1,000
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  • Almost Digital

    Helping Our Partners Build Scalable Digital Brands

    At Almost Digital, success is more than a milestone its our mindset. Were a collective of bold, creative women driven by passion, proven skill, and an uncompromising commitment to excellence...

    Location
    San Diego, California
    Number of Employees
    Under 49
    Portfolios Count
    1 Project Listed
    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

  • OutsourcingDev

    For Seamless Collaborations

    OutsourcingDev is your expert partner in outsourcing services. Founded by a seasoned data Engineer, we offer customized and high-quality solutions. Our comprehensive services cover the entire development lifecycle, and we specialize in assembling dedicated development teams for seamless collaboration...

    Location
    San Francisco, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $55/hr
    Minimal Budget
    $10,000 - $25,000
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  • 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
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  • Agile Soft Systems

    Enable, innovate, transform

    A team of Tech-savants focused on simplifying complexities in the technology realm. We combine our technical expertise with product mindset that helps Enterprises to strengthen and transform their business by providing state-of-the art software development services...

    Location
    Fremont, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $10,000 - $25,000
    Visit WebsiteView Profile
    4.3 4.3 (6)

  • Andrew Baygulov

    We Bring Ideas To Life

    Andrew Baygulov specializes in product and visual design, combining strategy, aesthetics, 3D visualization, and motion design to transform initial concepts into products that people genuinely enjoy using...

    Location
    San Francisco, California
    Number of Employees
    Under 49
    Portfolios Count
    1 Project Listed
    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

  • Jaxel

    Software Development and Cloud Technology Company

    We’re a solution-based technology company with a focus in cloud transformation, software development and big data analytics services based out of California. We combine the love for engineering and big data to scale projects and help businesses grow. Our passion for technology drives results-based solutions...

    Location
    Pleasanton, California
    Number of Employees
    Under 49
    Minimal Budget
    $10,000 - $25,000
    Visit WebsiteView Profile

  • Tech.us, Inc

    Build Better Software.

    Tech.us is an AI software solutions company that provides AI development, mobile applications, cloud consulting, and IT services. We focus on creating secure, scalable, and innovative technologies that support businesses in their digital journey...

    Location
    San Jose, California
    Number of Employees
    100 - 249
    Minimal Budget
    $10,000 - $25,000
    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

  • Infinite Digital Group

    Innovate, Iterate, Impress

    With an unwavering commitment to excellence, we have cemented our position as the go-to agency for innovative and groundbreaking digital marketing solutions. At IDG, we possess a definite belief in the power of brand elevation and transformative growth. Our team of experts, armed with unparalleled expertise...

    Location
    Concord, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $120/hr
    Minimal Budget
    $1,000 - $10,000
    Visit WebsiteView Profile
    5.0 5.0 (10)

  • 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

  • Bayshore Intelligence Solutions

    Empowering Your Ideas With AI Based Digital Solutions.

    We empower start-ups and mid-sized enterprises worldwide, crafting and refining their dream projects with cutting-edge technology. Our hallmark lies in Ideation and Innovation, the driving forces behind each successful Intelligent Application...

    Location
    Dublin, California
    Number of Employees
    Under 49
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    5.0 5.0 (1)

  • MTechZilla

    Your Partner For Innovation

    MTechZilla is a custom software development company helping growing companies and product teams across the US and EU to build software products or scale engineering capacity. Senior, pre-vetted developers fully aligned to your timezone. AWS Partner with 40+ products delivered...

    Location
    San Jose, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $25,000 - $50,000
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  • Web Design Vibe

    Make Your Idea The Talk Of The Web

    Web Design Vibe is a full-service digital agency specializing in custom website design, e-commerce solutions, branding, and SEO strategies that help businesses build a powerful online presence and drive measurable growth...

    Location
    San Francisco, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $20/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    2 Projects Listed
    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
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  • Hospitality Marketing Concepts

    Connecting Hotels & Affluent Guests Globally

    HMC is the worlds leading provider of outsourced database management and loyalty marketing programmes for premium hotel organizations. Our core competencies are the creation, implementation, management and marketing of custom-made programmes designed to drive incremental revenue and profits into each partner...

    Location
    Newport Beach, California
    Number of Employees
    250 - 499
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  • Venice Solution

    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...

    Location
    San Mateo, California
    Number of Employees
    Under 49
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  • SweetSoft INC.

    Innovative Software Solutions for Your Business

    Sweetsoft is a client-oriented software development and outsourcing company that specializes in web, mobile and desktop app development, data science, QA & Automated testing, bot development and UX/UI services. With a presence in Santa Monica, Budva, and Kharkiv, our experts can join existing teams or execute...

    Location
    Santa Monica, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $99/hr
    Minimal Budget
    $50,000 & Up
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  • All Star Technology

    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...

    Location
    Irvine, California
    Number of Employees
    500 - 999
    Average Hourly Rate
    $49/hr
    Minimal Budget
    $10,000 - $25,000
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  • 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
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  • 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
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  • Bransys

    You Set Expectations. We Exceed Them.

    Bransys Group was first introduced into the marketplace in 2008 in Skopje, Macedonia, founded by Branko Trajkovski. Bransys is a product-oriented company that makes, develops and sales Hardware and Software, designed for GPS and tracking devices...

    Location
    Walnut Creek, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $50/hr
    Minimal Budget
    Under $1,000
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  • Coderapper

    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...

    Location
    Sunnyvale, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $99/hr
    Minimal Budget
    $25,000 - $50,000
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  • Coreware Group

    Custom Software for Businesses

    Consider us an extension of your team and your technical co-founders, the highly qualified engineers who will create, develop, and maintain the software systems required to power your idea...

    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $99/hr
    Minimal Budget
    $25,000 - $50,000
    Visit WebsiteView Profile
    4.9 4.9 (325)

  • 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

  • MEV

    Software Development Made Easier.

    Craft exceptional digital solutions with a team of design, development, and strategy specialists. Everything you need is in one place...

    Location
    Walnut Creek, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $45/hr
    Minimal Budget
    $50,000 & Up
    Visit WebsiteView Profile

  • Aunimeda

    From The Silicon Steppe To Silicon Valley

    Aunimeda Software is a premier IT agency specializing in high-performance Next.js development, international SEO, and strategic branding. Established in 2010, we bridge the gap between US business standards and elite Central Asian engineering. With a 24/7 "Follow-the-Sun" development cycle across our hubs in...

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

  • DevTeam.Space

    AI-Powered Community of Expert Dev Teams

    DevTeam.Space is an AI-powered community of expert dev teams. Our mission is to help more businesses build great online products...

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

  • EltexSoft

    Senior Web, Mobile & AI Engineering

    Boutique studio of senior engineers building web, mobile, and AI products since 2015. We embed as a long-term extension of your team and ship code that lasts. 5.0 on Clutch, top 1% on Upwork...

    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $99/hr
    Minimal Budget
    $25,000 - $50,000
    Visit WebsiteView Profile
    5.0 5.0 (3)

  • Robin

    We Build Brands And Products That Rethink Sports

    Our multidisciplinary team builds high-quality products for web, iOS, and Android, with a strong focus on design, storytelling, and seamless user experiences. For clients seeking deeper collaboration, we integrate closely with your in-house team, working as a natural extension of your organization...

    Location
    Los Angeles, California
    Number of Employees
    50 - 99
    Portfolios Count
    1 Project Listed
    Visit WebsiteView Profile
    5.0 5.0 (2)

  • Coding Pixel

    Every Client Brings New Inspiration.

    Our integrity and commitment to materializing your dream is what drives us. You are our inspiration, and we want to be part of your team. We are a mobile development agency utilizing state-of-the-art technology and top professional talent to design your vision and bring your dream to life...

    Location
    Los Angeles, California
    Number of Employees
    250 - 499
    Average Hourly Rate
    $80/hr
    Minimal Budget
    $10,000 - $25,000
    Visit WebsiteView Profile

  • ERP and ERP

    Providing Automated Products for SAP Enterprises

    ERP and ERP has helped numerous clients meet their global sourcing needs by helping them identify, evaluate and configure their IT architectures across multiple geographies to reduce costs, mitigate risks and maximize performance...

    Location
    Fremont, California
    Number of Employees
    1000 & Up
    Visit WebsiteView Profile

  • PortalOne Team

    We Help Small Businesses Succeed Online

    We are Portalone Team, a fully-independent digital agency. We cover all part of your company, empowering your brand with the greatest creative and technical talent, industry-leading client service, and quantifiable outcomes. Results that exceed your own expectations, the competitors, and the market. There...

    Location
    San Diego, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $1,000 - $10,000
    Visit WebsiteView Profile

  • ArcTouch

    Desig & Develop Top-Notch Digital Products

    We are trusted by businesses of all sizes to design and develop their digital products...

    Location
    San Francisco, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $149/hr
    Minimal Budget
    $50,000 & Up
    Visit WebsiteView Profile
    5.0 5.0 (25)

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