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

252 Companies-Rankings updated: August 20, 2026

DesignRush evaluates each agency using expert assessment and client feedback to inform your choices. Some featured agencies have paid placements.

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Software & IT Services
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  • LoneUX, LLC

    We Create Memorable Product Experiences and Design Systems.

    LoneUX is a user experience design studio made up of a small team of specialists passionate about exciting projects. We are currently focused on designing for multi-device UX systems, wearables, augmented reality, automotive, mobile, and web platforms...

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

  • Madhan Solutions

    The Best Software Development Company

    Madhan Solution is the best software development and services such as web development, SEO, SMM, and PPC in the USA...

    Location
    Manhattan Beach, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $100/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    1 Project Listed
    Visit WebsiteView Profile

  • Simtech Development

    Skyrocket Your Business With eCommerce Development.

    End-to-end eCommerce website development and infrastructure solutions for B2B, B2C, and D2C proven by our 1000+ happy clients in 170 countries...

    Location
    San Diego, California
    Number of Employees
    250 - 499
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $1,000 - $10,000
    Visit WebsiteView Profile

  • Cofa Media

    We Are Focused on Making Things Work for You and Your Business!

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

    Location
    Carlsbad, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $125/hr
    Minimal Budget
    $25,000 - $50,000
    Visit WebsiteView Profile
    5.0 5.0 (3)

  • Ideators

    Digitize Your Ideas!

    Ideators, an Incorporated Registered Firm with a presence & clientele in Florida, Texas, Boston, San Francisco, Australia, Hong Kong, & Portugal is an emerging Digital Services & Solutions Firm. We ensure to integrate the expertise of the team professionals along with innovativeness, and your requir...

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

  • Techjays

    The Best Way To Build Your Software.

    Our focus is on providing businesses with the tools they need to reach their maximum potential through the use of our cutting-edge software solutions. Launch your product to market 2x faster with Techjay's strong business domain experience, technical expertise, extensive knowledge of the latest industry...

    Location
    Menlo Park, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $28/hr
    Minimal Budget
    $10,000 - $25,000
    Visit WebsiteView Profile
    5.0 5.0 (8)

  • Web Experio

    Not Your Typical Design Agency

    We’re a US-based creative digital agency, focusing on connecting customers with companies through ground-breaking digital marketing and web-based solutions with an exceptional reputation for delivering quality products...

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

  • Ribera Solutions

    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
    Visit WebsiteView Profile

  • Mayven Studios

    Tailor Made Software for You!

    Mayven Studios is a reliable software design and engineering partner that offers the expertise to help businesses develop and scale successful digital products and experiences. Our impressive client list includes companies such as Segment, Facebook, Mixpanel, Andreessen Horowitz, and Airbnb, among others...

    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 (5)

  • Rysysth Technologies

    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
    Visit WebsiteView Profile
    5.0 5.0 (1)

  • Bellvia Solutions

    Powering IT Excellence

    Bellvia Solutions is a North American IT Managed Service Provider (MSP) delivering enterprise-grade IT, cybersecurity, cloud, and connectivity services available under your brand...

    Location
    Irvine, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $80/hr
    Visit WebsiteView Profile

  • Railsware

    Railsware - A software development agency

    We're a software development agency that builds products that scale. Our engineering-first culture and product-minded approach have powered success stories like Calendlythe scheduling platform that revolutionized meetings for millions...

    Location
    West Hollywood, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $149/hr
    Minimal Budget
    $50,000 & Up
    Visit WebsiteView Profile
    4.6 4.6 (20)

  • The Smyth Group

    The Smyth Group - From Design to Deployment

    At The Smyth Group, we specialize in designing and developing web and mobile software for our corporate clients. Our team of talented designers and engineers build web, internal, iOS, and Android web apps that bring our clients' ideas to life...

    Location
    Vista, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $149/hr
    Minimal Budget
    $25,000 - $50,000
    Visit WebsiteView Profile

  • MEDL Mobile

    We Make Great Apps. It's That Simple.

    We are a mobile application studio, built around a core team of seasoned marketers, serial entrepreneurs, veteran strategists and big idea lovers. We work with a diverse array of brands, companies, organizations and individuals to turn great ideas into powerful apps...

    Location
    Irvine, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $215/hr
    Minimal Budget
    $50,000 & Up
    Visit WebsiteView Profile
    5.0 5.0 (2)

  • Digital Deployment

    Empowering Communication & Connecting Communities

    Digital Deployment is a website development firm focused solely on website development and its various facets including content management, UX/UI, accessibility, information architecture, strategy, migration and stakeholder discovery. We currently operate over 300 websites for clients across the Uni...

    Location
    Sacramento, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $50,000 & Up
    Visit WebsiteView Profile
    3.8 3.8 (15)

  • Impekable

    We Help Enterprise Companies Achieve Their Digital Dreams.

    Impekable is an award-winning, worldwide digital product agency specializing in UX/UI Design, Mobile App Development & Web Development. We've created award-winning web and mobile user experiences for more than 250 clients, and over 600 projects, globally. We are honored to be recognized as a leading web and...

    Location
    San Jose, California
    Number of Employees
    Under 49
    Visit WebsiteView Profile

  • Sunvera Software

    We Build Next-Generation Applications for Small and Mid-Sized Companies.

    Sunvera Software builds innovative and intelligent chatbot solution, mobile, and web applications to help small and mid-sized companies improve operational efficiency and customer satisfaction while reducing company costs...

    Location
    Orange County, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $75/hr
    Minimal Budget
    $10,000 - $25,000
    Visit WebsiteView Profile
    5.0 5.0 (9)

  • Teksun

    Tapping Into the Future of Collaboration

    Teksun Inc. has been at the forefront of developing cutting-edge IoT solutions since 2009, becoming a trusted partner for 300+ customers who rely on our diverse portfolio of product engineering services spanning embedded hardware and software to human/machine interfaces and cloud tech platforms. Our ISO...

    Location
    Milpitas, California
    Number of Employees
    500 - 999
    Average Hourly Rate
    $49/hr
    Minimal Budget
    $10,000 - $25,000
    Visit WebsiteView Profile
    4.9 4.9 (13)

  • Beehive Software

    Reimagining Software Development

    Beehive is a new production model for software development (the world's first we should add) that fuses AI precision with human ingenuity. A model of collective intelligence that breaks projects into microtasks, routing them to global experts, and delivering production-ready, high quality, code faster than...

    Location
    San Jose, California
    Number of Employees
    100 - 249
    Minimal Budget
    $10,000 - $25,000
    Visit WebsiteView Profile
    5.0 5.0 (4)

  • Aximsoft

    We Take Your Ideas Forward

    Aximsoft from San Ramon California, is the partner of choice for many of the world’s leading enterprises and emerging startups, delivering technology solutions right from ground-up. Be it product design, engineering or product marketing, we’ve got it all covered! From Printing to Energy, Automobile to...

    Location
    San Ramon, California
    Number of Employees
    100 - 249
    Visit WebsiteView Profile

  • Povio

    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
    Visit WebsiteView Profile
    3.0 3.0 (1)

  • Argusoft

    Your Extended Engineering Team

    Argusoft is a trusted software solutions design consultancy that provides end-to-end, enterprise-class turnkey solutions. Our team of Argonauts are trained to think design at every step, architecting, designing, and coding with the business goals and objectives of our clients in mind...

    Location
    Newark, California
    Number of Employees
    250 - 499
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $25,000 - $50,000
    Visit WebsiteView Profile

  • KB Solutions

    Your Vision, Our Expertise

    KB Solutions delivers personalized digital marketing and branding services to help businesses stand out and thrive in competitive markets...

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

  • Trustify Technology

    Trusted Software Engineering Solutions Provider based in Vietnam, With A Global Presence.

    As a trusted bespoke software development outsourcing company, we help business organizations tackle challenges of outdated software, inefficient processes, and poor digital presence...

    Location
    San Jose, California
    Number of Employees
    100 - 249
    Minimal Budget
    $10,000 - $25,000
    Visit WebsiteView Profile
    5.0 5.0 (14)

  • AlgoRepublic

    Our expertise makes a positive impact to your business

    AlgoRepublic offers comprehensive business automation, product development, and software/web development services to clients globally. Our expertise ensures innovative and efficient solutions tailored to meet the diverse needs of businesses worldwide...

    Location
    Los Angeles, California
    Number of Employees
    250 - 499
    Average Hourly Rate
    $30/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    1 Project Listed
    Visit WebsiteView Profile
    4.3 4.3 (1)
    4.8 4.8 (18)

  • Omnica

    Where Ideas Materialize

    Offering Wearable App, Product, And Software Development Services. For 34 Years, Omnica has delivered 3000 Projects, 5000 concept models, 10,000 machined parts, 10,000 Design Reviews, to 750 unique customers...

    Location
    Irvine, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $180/hr
    Minimal Budget
    $10,000 - $25,000
    Visit WebsiteView Profile
    4.6 4.6 (8)

  • iCommuneTech

    Provide IT Solutions.

    We are IT company which provides services in various domains like Logistics, Health, e-commerce, etc. We have expert-level knowledge in web development and mobile development, as well as proficient knowledge of latest IOT-based applications using various AWS services...

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

  • Delphi Tech Consulting

    Tailored Digital Solutions to Drive Your Business Forward.

    We understand that every business is unique. That's why we offer a comprehensive suite of services designed to meet your specific needs and drive meaningful results. Whether you want to enhance your online presence, streamline product development, or revolutionize user experience, our team of experts is here...

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

  • Lab 201 LLC

    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
    Visit WebsiteView Profile

  • Staydify Systems

    Empowering Your Business Growth With Precision

    Staydify Growth Systems is a division of the UK-based HiringBooster Group, focused on driving technology-enabled business growth. The company specializes in delivering advanced custom software development and precision IT staffing services, leveraging its global footprint across the UK, USA, India, and other...

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

  • Zavod-IT

    We Build Tomorrow, Today

    With 15 years of experience, we specialize in developing startups, cryptocurrency exchanges, cashback platforms, Telegram bots, and complex software solutions for clients across the USA and Europe. Our expertise guarantees tailored, high-quality solutions for diverse industries and business needs...

    Location
    San Francisco, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $60/hr
    Visit WebsiteView Profile

  • California Logo Designs

    USA's Top-Ranked Logo Design Agency

    California Logo Designs is a renowned logo design agency based in Irvine, California, USA. The agency specializes in helping brands enhance their online presence through captivating branding strategies, earning trust and recognition worldwide...

    Location
    Irvine, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $100/hr
    Visit WebsiteView Profile

  • Net Solutions India Pvt Ltd

    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
    Visit WebsiteView Profile

  • Prime Web Coders

    Grow Your Business Online

    Prime Web Coders is a digital solutions agency specializing in web design, development, digital marketing, and business growth services. The company helps businesses build strong online presences through custom websites, e-commerce platforms, mobile applications, and performance-driven marketing strategies...

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

  • Endertech

    Beautiful & Functional Digital Solutions That Deliver ROI

    Endertech (endertech.com, 310.400.0800) is a full-service web and software development company near Los Angeles since the year 2000 providing custom design, e-commerce, software development, and online marketing support. “If you can dream it; We can build it”...

    Location
    Torrance, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $1,000 - $10,000
    Visit WebsiteView Profile
    4.6 4.6 (19)

  • Born West Inc.

    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
    Visit WebsiteView Profile

  • LIVEWEBMEDIA

    Web Design, Development and Marketing Agency

    This Los Angeles based company is not your average web design and marketing company, LiveWebMedia is an avant-garde web and interactive media agency founded in 1998 in Southern California...

    Location
    Laguna Beach, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $125/hr
    Minimal Budget
    $50,000 & Up
    Visit WebsiteView Profile
    4.9 4.9 (38)

  • Capitol Tech Solutions

    Capitol Tech Solutions Is a Leading Digital Agency.

    Capitol Tech Solutions is a leading digital agency providing a full range of marketing , development, and IT services that help companies' top and bottom lines...

    Location
    Sacramento, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $145/hr
    Minimal Budget
    $10,000 - $25,000
    Visit WebsiteView Profile
    4.7 4.7 (24)

  • Teamvoy

    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
    Visit WebsiteView Profile
    4.7 4.7 (29)

  • Onething Design

    Global Award Winning UI UX Design Company

    At Onething Design, our focus is on excelling in a singular domain. Renowned for our exceptional expertise in UX UI design services, we were honored with the Best Design Agency award in 2022. However, it's our enduring passion for design and the praise received from our clients that drive our continual...

    Location
    San Francisco, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $49/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    7 Projects Listed
    Visit WebsiteView Profile
    4.3 4.3 (20)

  • Softxpert

    Your Trusted Software Development Company

    Softxpert is a global Software Development Company that was originally established with a basic mission to provide for a real need in the market for quality software applications at a competitive cost to serve small and medium businesses' demand for solutions that would enable them to present exceptional...

    Location
    Orange County, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $100/hr
    Visit WebsiteView Profile

  • InVision Communications

    Make Change. Not Noise.

    InVision Communications is a full-service engagement solutions agency that drives action through strategic and creative experiential, design, digital, and communication campaigns. By focusing on what truly matters, they deliver impactful stories that capture limited audience attention effectively...

    Location
    Walnut Creek, California
    Number of Employees
    100 - 249
    Minimal Budget
    $50,000 & Up
    Visit WebsiteView Profile
    5.0 5.0 (2)

  • Persistent

    See Beyond, Rise Above.

    Persistent Systems, a renowned global leader in software product development and technology services. Delve into our innovative offerings to stay ahead in the ever-evolving landscape of technology...

    Location
    Santa Clara, California
    Number of Employees
    1000 & Up
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $50,000 & Up
    Visit WebsiteView Profile
    4.6 4.6 (730)

  • Rytsense Technologies

    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
    Visit WebsiteView Profile
    5.0 5.0 (67)

  • Rainstreamweb

    Where Business Gets Success

    Rainstream Technologies is a website design and development company based in India that has been providing professional services since 2014, with an extensive portfolio of over 500+ projects...

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

  • Squareboat

    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
    Visit WebsiteView Profile
    4.4 4.4 (256)

  • Source Code Lab

    Best Game Development Company in USA.

    Source Code Lab is the Best Custom Game Development Company in Usa/India.Our game developers build remarkable games compatible with the most popular platforms to attract the attention of a wider audience...

    Location
    San Francisco, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $25/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    1 Project Listed
    Visit WebsiteView Profile
    5.0 5.0 (8)

  • DS Technologies (Pvt.) Limited

    Global Web Development & Digital Marketing Experts

    DS Technologies is a global web design, development, and digital marketing agency. We specialize in creating innovative, custom solutions that drive measurable results. With expertise in SEO, UI/UX, and scalable web applications, we help businesses worldwide grow their digital presence and achieve sustainable...

    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
    Visit WebsiteView Profile
    4.7 4.7 (27)

  • CONTUS Tech

    Your Digital Growth Success Partner.

    CONTUS Tech stands as a prominent global authority in digital engineering services, heralded for its transformative impact on businesses worldwide. Our forte lies in crafting cutting-edge digital products, pioneering connected vehicle experiences, and spearheading next-generation streaming services that...

    Location
    Santa Clara, California
    Number of Employees
    250 - 499
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $25,000 - $50,000
    Visit WebsiteView Profile
    4.0 4.0 (314)

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