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

6 Companies - Rankings updated: September 04, 2026

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

Expertise
NFT
$1,000 - $10,000
Sort by: Sponsored
United States × California × NFT × $1,000 - $10,000 × Clear Filters

  • SapientPro

    Engineering Intelligent Solutions Through Design and Code - Web, Mobile AI, Blockchain

    SapientPro is a custom software, design, and AI development team. Since 2017, we've shipped 200+ projects in the US and EU, with offices in New York, Tallinn, and Lucerne. Most clients come back for a second project, the metric we actually care about...

    Top Services:

    • AI Development
    • eCommerce Development
    • Mobile App Development
    • Web Design
    • Web Development
    • Show more
    Location
    San Francisco, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    20 Projects Listed

    SapientPro Services

    • AI Development
    • eCommerce Development
    • Mobile App Development
    • Web Design
    • Web Development
    • Software Development
    • IT Services
    • UI/UX Design
    • Blockchain
    • DevOps Consulting
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Zich Solutions
    • Contentoo
    • HEX
    • MasTrack
    • Sprinkle
    • Slab Sharks
    • SalesLogs
    • Piktochart
    • The Big Data Chef
    • Footshop
    Data sourced from the agency's DesignRush profile

    SapientPro Reviews & Testimonials

    • Slava Berkovich
      Slava Berkovich Chief Technology Officer at Saleslogs
      5.0 ★

      Software Development Review from Slava Berkovich

      SapientPro consistently delivers high-quality work that aligns with project requirements. The team demonstrates strong expertise in Angular, TypeScript, and JavaScript. Their project management and communication practices are highly effective, with weekly client meetings held to provide updates on progress and ensure alignment.

    • Jeremy Ott
      Jeremy Ott Founder at Marketing Reporting Tool
      5.0 ★

      Software Development Review from Jeremy Ott

      This team was extremely responsive from the start. They pulled together a comprehensive quote for my MVP and have delivered on all of the requirements. The daily updates from the product/project manager are extremely helpful and it’s clear that the team cares about the quality of work they deliver. The engineers working on the product are always willing to make recommendations and go above and beyond to make the experience and underlying infrastructure that much better.

    • Luc Vlekken
      Luc Vlekken CEO at Liswood & Tache
      5.0 ★

      eCommerce Development Review from Luc Vlekken

      We've had the pleasure of working closely with this development team on several projects, and the experience has been consistently excellent. Not only are they highly skilled developers, but they also think along with us both from a technical and a product/customer perspective. Their proactive attitude, reliability, and ability to translate complex requirements into elegant solutions make them a true partner rather than just a supplier. Highly recommended.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
    Visit Website View Profile
    4.9 4.9 (20)

  • Seasia Infotech

    Enterprise AI Solutions | Scalable . Flexible. Sustainable

    Seasia Infotech is a global AI-powered digital engineering company with 25+ years of experience delivering custom software, AI solutions, cloud applications, mobile apps, and enterprise platforms. We help businesses accelerate innovation, improve efficiency, and drive digital transformation...

    Top Services:

    • Software Development
    • Mobile App Development
    • Web Development
    • AI Development
    • Big Data Analytics
    • Show more
    Location
    Emeryville, California
    Number of Employees
    500 - 999
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    54 Projects Listed

    Seasia Infotech Services

    • Software Development
    • Mobile App Development
    • Web Development
    • AI Development
    • Big Data Analytics
    • Cloud Consulting
    • Staff Augmentation
    • Cybersecurity
    • IoT
    • Software Testing
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Adani Group
    • Flipkart
    • Harley-Davidson
    • Microsoft
    • MainStreet Equity Corp
    • HDFC Bank
    • Swaraj
    • Innopharma Education
    • Renault
    • Puda
    Data sourced from the agency's DesignRush profile

    Seasia Infotech Reviews & Testimonials

    • cornelia verden
      cornelia verden Web Developer at Cornelia Verden LLC
      5.0 ★

      eCommerce Development Review from cornelia verden

      This Company is AMAZING, they are very professional. We hired them to build my website, and they did an EXCELLENT job. They continuously communicated with me during the development phase. If you want a beautiful, well-designed, professional website that has optimum functionabilty, You must go with Seasia Infotech. You can always expect excellent quality services from the professionals at Seasia Infotech.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
    Visit Website View Profile
    4.3 4.3 (1)

  • NZOUAT

    We Automate Critical Business Processes.

    Nzouat is an Oakland, California based digital consulting and development studio founded by Chris Nzouat. The agency which typically works with small to mid-size businesses and startups offers full-stack web and mobile development, blockchain (smart contracts, NFTs, DeFi), AI/ML integration, and digital...

    Top Services:

    • Web Development
    • AI Development
    • Blockchain
    • Web Design
    • Digital Marketing
    • Show more
    Location
    San Francisco, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    13 Projects Listed

    NZOUAT Services

    • Web Development
    • AI Development
    • Blockchain
    • Web Design
    • Digital Marketing
    • Mobile App Development
    • Software Development
    • WordPress Website Design
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Aesthetic Lab
    • Metroplex Multimedia
    • Tony Alexander Election Campaign
    • Aesthetic Studios
    • Omega Health Clinics
    • San Francisco Police Department (SFPD)
    Data sourced from the agency's DesignRush profile
    Visit Website View Profile

  • Web Design Mechanic

    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...

    Top Services:

    • Web Design
    • Web Development
    • Branding
    • eCommerce Development
    • Video Production
    • Show more
    Location
    Fremont, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project Listed

    Web Design Mechanic Services

    • Web Design
    • Web Development
    • Branding
    • eCommerce Development
    • Video Production
    • SEO
    • Mobile App Development
    • Logo Design
    • Social Media Marketing
    • Reputation Management
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Heart Pressed
    • MedTek RCM United Inc.
    • Cryotherapy Guys
    Data sourced from the agency's DesignRush profile
    Visit Website View Profile

  • Code 9 Web Studios

    Let Us Be Your Creative Partner

    Code 9 Web Studios is a leading website design and development company and a top-tier IT solutions provider based in Dover, USA...

    Top Services:

    • Digital Services
    • Web Design
    • Web Development
    • Mobile App Development
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000

    Code 9 Web Studios Services

    • Digital Services
    • Web Design
    • Web Development
    • Mobile App Development
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Dr. Autolock
    • Metro Fence
    • Black Car Connection
    Data sourced from the agency's DesignRush profile
    Visit Website View Profile

  • Easiio

    AI Power Agency and Development Shop.

    Easiio build AI tools called ChatAI. We help our customers with these tools and implemented Large Language Model base AI technologies for their website or business software. Helping our customers do more with less and improve their efficiency. Our rate is very competitive with the help of AI and quality of...

    Top Services:

    • Web Design
    • Web Development
    • WordPress Website Design
    • AI Development
    • Mobile App Development
    • Show more
    Location
    Santa Clara, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $1,000 - $10,000

    Easiio Services

    • Web Design
    • Web Development
    • WordPress Website Design
    • AI Development
    • Mobile App Development
    • Software Development
    • Email Marketing
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Seraph Direct
    • Weee
    • SkyMeta
    • Pfizer
    • EcoSense
    • TheAllStars
    • TechThisOut
    • Neuvition
    • Harsco
    • McDonals
    Data sourced from the agency's DesignRush profile
    Visit Website View Profile

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