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.

United States × California ×
  • 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
  • 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
  • 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
  • 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
  • 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...

    Location
    Belmont, California
    Number of Employees
    500 - 999
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $10,000 - $25,000
  • Affordable & Premium Web Development Company

    Royce Web Solutions is a full service digital agency specializing in custom websites, e-commerce stores, SaaS platforms, and AI-Powered web and mobile apps. We help startups and businesses turn ideas into fast, scalable and user-friendly digital products...

    Location
    Mountain View, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $1,000 - $10,000
  • Transforming Ideas Into Digital Success

    Appicoders builds high-performance mobile and web applications designed to accelerate business growth. With expertise in strategy, design, and development, we create scalable digital experiences that drive engagement and deliver measurable results...

    Location
    San Francisco, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $100/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    1 Project Listed
  • A Leading Web Design & Development Agency

    Web Design Mechanic creates clean, custom websites and digital experiences build to match your business goals. "No templates", just thoughtful design and smart development. We also offer digital marketing services like, Search Engine Optimization, Social Media Marketing, Online Reputation Management, and...

    Location
    Fremont, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project Listed
  • Get Ready for AI Digital Transformation

    Ribera Solutions focuses around Enterprise IoT and Medical Devices firms and offers product development and digital transformation including SaaS enablement, cloud migration support, automation, and custom software development across multiple platforms...

    Location
    Carlsbad, California
    Number of Employees
    Under 49
  • Innovative Digital Solutions For A Smarter Future

    Rysysth Technologies is a full-service IT solutions provider specializing in web development, digital transformation, and enterprise solutions. We help businesses scale with modern technologies, user-friendly designs, and performance-driven strategies. From custom websites to cloud-based platforms, our team...

    Location
    Sacramento, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $45/hr
    Minimal Budget
    $10,000 - $25,000
  • Transform Your Business Using Our Digital Solutions!

    We are a web and AI development agency helping startups and businesses build scalable digital products. Our team specializes in modern web applications, AI integrations, automation systems, and SaaS platforms. From idea to deployment, we focus on creating fast, secure, and user-friendly solutions that help...

    Location
    Tracy, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $20/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    3 Projects Listed
  • Strategy, design, engineering, and AI

    Bay Area Coders is a San Francisco-based product and engineering studio working with venture-backed startups and growth-stage companies since 2016. We combine strategy, design, engineering, and AI to help teams ship real products and modernize existing ones...

    Location
    Roseville, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $1,000 - $10,000
  • Design and Development Done Right!

    Povio is a company that is based in San Francisco and specializes in designing and developing digital products that make a positive impact. With over 1000 successful projects delivered and a team of over 200 skilled professionals, we have collaborated with multinational companies like VW, unicorns such as...

    Location
    San Francisco, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $70/hr
    Minimal Budget
    $1,000 - $10,000
  • We Build Cool Stuff With Cool People...

    Kingdom Vision is a digital agency specializing in web design, web development, and custom software solutions for businesses and startups. The company offers a range of services including mobile app development, CMS development, branding, and digital marketing to help clients build and grow their online...

    Location
    San Jose, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $25/hr
    Minimal Budget
    Under $1,000
  • Design. Develop. Dominate.

    A modern digital studio building high-performance websites, SEO systems, and growth platforms for brands that want real results not just visuals...

    Location
    Roseville, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $55/hr
    Minimal Budget
    $1,000 - $10,000
  • Digital Innovation Experts

    At 10up, we think that where design and engineering knowledge intersect is where digital innovation frequently occurs...

    Location
    Sacramento, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $199/hr
    Minimal Budget
    $50,000 & Up
  • Designing More Human Experiences.

    We are Lab 201, a multidisciplinary team of trouble-makers and problem-solvers working together to design, engineer, build, and test the future...

    Location
    Los Gatos, California
    Number of Employees
    Under 49
  • Proven Excellence Through Custom Web Design and Development Services.

    Allusive Digital is a creative and marketing agency that helps businesses grow through branding, web design, content development, and digital marketing. The agency blends thoughtful strategy with polished creative execution to help clients increase visibility, strengthen their identity, and connect with their...

    Location
    Los Angeles, California
    Number of Employees
    Under 49
  • Building Intelligent Software Solutions

    Cygnis Media, a top-tier custom software development company and leading IT consulting service provider in the USA, is synonymous with excellence. They specialize in creating bespoke software solutions tailored to meet diverse business needs. With a keen eye for innovation and a customer-first approach...

    Location
    Pleasanton, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $1,000 - $10,000
  • Reimagined With AI

    Net Solutions is a global digital product development and experience engineering company with over 26 years of expertise. We design, build, and modernize digital platforms using AI, agile engineering, and design thinking to help businesses accelerate digital growth...

    Location
    Los Angeles, California
    Number of Employees
    250 - 499
    Minimal Budget
    $25,000 - $50,000
  • Leading Software Development Company

    InfoSwift Corp is a technology consulting and software development company with over 15 years of experience serving clients across the United States. The company specializes in next-generation technologies, data solutions, artificial intelligence, and enterprise software development...

    Location
    Irvine, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $10,000 - $25,000
  • Transforms Digital Idea Into Reality

    Appther is a software and mobile app development company creating intelligent, scalable, and user-friendly digital solutions powered by innovation and AI...

    Location
    Signal Hill, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $22/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    1 Project Listed
  • See The Work Before You Decide

    Lone Crest Media takes a different approach to client acquisition: instead of pitching promises, we build real, finished work first a live website and custom brand videos before a prospect ever signs a contract. Founded by Kathy Brook and Jimmy K with 20 years of combined marketing experience, we work with...

    Location
    Riverside, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $20/hr
    Minimal Budget
    Under $1,000
  • We Build Digital Products, Experiences, And Systems ‍that Matter.

    Born West is a creative tech agency. We turn ambitious ideas into working software from inception to launch. Our senior strategists, designers, and engineers work as one team to shape digital products, AI-powered tools, platforms, and experiences that are thoughtful, scalable, and built to ship...

    Location
    Concord, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $200/hr
  • Empowering Businesses Through AI- Driven Digital Transformation

    Brightter is a global AI-driven digital transformation company based in San Francisco. We have partnered with forward-thinking businesses for over a decade to create exceptional digital experiences. Our expertise spans AI transformation, brand strategy, website development, web applications, and search engine...

    Location
    San Francisco, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $120/hr
    Minimal Budget
    $10,000 - $25,000
  • We Bring The Tech. You Get The Wins.

    Teamvoy is an AI engineering and transformation partner. We help companies make smarter technology decisions and turn them into production-ready software...

    Location
    Covina, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $10,000 - $25,000
  • Elite Services That Multiply Revenue

    SEOFAT is a full-service digital agency offering SEO, web development, and marketing solutions. We help brands grow visibility, leads, and revenue through smart, data-driven strategies...

    Location
    Irvine, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
  • Leading Global Digital Transformation

    Rytsense Technologies is an AI-driven technology company specializing in AI development services, machine learning solutions, and intelligent automation. We help businesses build advanced AI applications, integrate AI models into existing systems, and transform data into actionable insights...

    Location
    Mountain View, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $25/hr
    Minimal Budget
    Under $1,000
  • Grow with Technology.

    We have a Team of 100+ Skilled App Developers who thrive on rolling up their sleeves and solving your IT problems and meeting your business needs like APP Development, Software Development, Cloud Consulting, Generative AI Development, Cyber Security Services, Custom ERP Software Development, and Web...

    Location
    Irvine, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $10,000 - $25,000
  • 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...

    Location
    San Francisco, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $25,000 - $50,000
  • Empowering Businesses Through Innovative Software Development

    TechnoBrains Business Solutions is a global software development and AI solutions company founded in 2009, delivering custom web, mobile, AI, and enterprise software solutions for startups, SMEs, and established enterprises worldwide. Headquartered in Ahmedabad, India, with a presence in the United States...

    Location
    San Francisco, California
    Number of Employees
    50 - 99
    Minimal Budget
    $10,000 - $25,000
  • A Headless Commerce Agency

    RW Infotech is a Dubai-based digital agency specializing in custom web development, headless CMS integration, and scalable digital solutions. Founded in 2012 and originally established in India, they now have operations in Dubai, USA, and Australia, serving clients globally...

    Location
    San Francisco, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $1,000 - $10,000
  • Your Trusted IT Consulting Company for Business Success.

    TST Technology is an IT consulting company that offers services such as UI/UX design, web and mobile app development, software development, and SaaS product development. They have completed over 40 projects across 15+ industries...

    Location
    Los Angeles, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $1,000 - $10,000
  • You Think We Will Deliver

    TechMave Software LLP delivers innovative web, mobile, and AI solutions tailored to business needs. Our team combines creativity, technology, and strategy to build impactful digital products that empower brands globally...

    Location
    Mountain View, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $11/hr
    Minimal Budget
    $10,000 - $25,000

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