We’ve researched and ranked the best California HTML5 mobile app development agencies that build sophisticated and high-quality apps that help brands drive more loyal customers and sales. Compare listings by past work, reviews, cost and size to pick the best fit for you.

Best HTML5 Mobile App Development Agencies in California

3 Companies - Rankings updated: September 03, 2026

Each agency undergoes DesignRush evaluation for professional expertise and genuine client satisfaction to assist your search. Some featured placements are paid.

HTML5
Electronics
$25,000 - $50,000
Sort by: Sponsored
United States × California × HTML5 Mobile App Development × Electronics × $25,000 - $50,000 × Clear Filters

  • Idea Maker

    You Think It, We'll Build It.

    Idea Maker is a U.S.-based software development agency helping businesses transform ideas into scalable digital products. Our expert team specializes equally in mobile apps, custom software, AI-powered solutions, and modern web platforms...

    Top Services:

    • Mobile App Development
    • Software Development
    • Web Development
    • AI Development
    • Web Design
    • Show more
    Location
    Irvine, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $125/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    10 Projects Listed

    Idea Maker Services

    • Mobile App Development
    • Software Development
    • Web Development
    • AI Development
    • Web Design
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Plane Fax
    • Generac
    • Politifact
    • Outschool
    • Advance CPE
    • AES
    • Blodgic
    • Fujikikai
    • Yellowbook CPE
    Data sourced from the agency's DesignRush profile

    Idea Maker Reviews & Testimonials

    • Meghan Wallace
      Meghan Wallace Survive Out Loud at Survive Out Loud
      5.0 ★

      Web Development Review from Meghan Wallace

      When you're launching a nonprofit from scratch, every resource matters and Tom stepped in with extraordinary generosity. He brought his team in to help build the Survive Out Loud website, and the result is something were genuinely proud of. Tom and his team didn't just build a site. They listened carefully, asked thoughtful questions, and translated our vision into something clean, professional, and aligned with our mission. They were patient, collaborative, and incredibly responsive throughout the entire process. For a small organization trying to get off the ground, this kind of support is transformational. We are deeply grateful for Tom and his team and would recommend them without hesitation

    • Kevin Nagel, MBA
      Kevin Nagel, MBA Founder & CEO at Export Orbital
      5.0 ★

      Software Development Review from Kevin Nagel, MBA

      IdeaMaker did an amazing job developing our cutting-edge software. They took our concept and turned it into a fully functional, scalable software platform that truly brought our vision to life. Their technical expertise, clear communication, and problem-solving mindset made the entire process seamless. IdeaMaker consistently delivered high-quality work on time and with care. We couldn't have asked for a better development partner!

    • Amarind Tan
      Amarind Tan CEO at Virtual Assist
      4.8 ★

      Software Development Review from Amarind Tan

      Idea Maker was fantastic to work with. They completed multiple website projects for my virtual assistant agency. Each time they over delivered. Besides that, they helped build some AI automations to help my customer support. That freed me up to focus on expanding my partnerships. I really love the fact that they can do just about anything technically. They truly are my technical back office!

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
    Visit Website View Profile
    4.8 4.8 (6)
    5.0 5.0 (16)

  • L+R

    End-to-end digital product design and engineering.

    End-to-end digital product design and engineering for enterprises and premium brands...

    Top Services:

    • Branding
    • Mobile App Development
    • Software Development
    • AI Development
    • Design Services
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    4 Projects Listed

    L+R Services

    • Branding
    • Mobile App Development
    • Software Development
    • AI Development
    • Design Services
    • UI/UX Design
    • Wearables
    • Web Development
    • Product Design
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Meta
    • The Estée Lauder Companies
    • OceanX
    • Hilton Worldwide
    • UNICEF
    • ATP Tour
    • Louis Vuitton
    • Amazon
    • GE
    • Footlocker
    Data sourced from the agency's DesignRush profile
    Visit Website View Profile
    5.0 5.0 (7)

  • Kritikal Solution

    Translating Ideas & Research to Market

    KritiKal Solutions is a technology design house and holds 22+ years of experience in AI, Computer Vision, Software Applications, Cloud and Mobile-based Solutions, Embedded Systems, Generative AI and Large Language Models. We specialize in R&D, product engineering, and innovation services...

    Top Services:

    • AI Development
    • Software Development
    • Mobile App Development
    • IoT
    • IT Services
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    4 Projects Listed

    Kritikal Solution Services

    • AI Development
    • Software Development
    • Mobile App Development
    • IoT
    • IT Services
    • Wearables
    • HR Outsourcing
    • Staff Augmentation
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Vector USA
    • BYJU'S
    • P&G
    • Columbus
    • Continental
    • Honeywell
    • ITC
    • Stryker
    • G&D
    • University of Berkeley
    Data sourced from the agency's DesignRush profile

    Kritikal Solution Reviews & Testimonials

    • Aakriti Bhatnagar
      Aakriti Bhatnagar Review from Google
      5.0 ★

      Aakriti Bhatnagar's Review Sourced from Google

      Great place to work. Very good learning opportunity.Best place for freshers to learn and gain knowledge. Supportive and understanding colleagues.

    • Jobin John
      Jobin John Review from Google
      5.0 ★

      Jobin John's Review Sourced from Google

      One of the best aspects of working at KritiKal Solutions is the opportunity to collaborate with talented professionals across multiple domains. The company promotes a culture of innovation, knowledge sharing, and continuous improvement.

    • twinkle kumari
      twinkle kumari Review from Google
      5.0 ★

      twinkle kumari's Review Sourced from Google

      A great workplace that encourages continuous learning, teamwork, and professional growth. The management maintains an open-door policy, making it easy to share ideas and collaborate across all levels of the organization.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
    Visit Website View Profile
    5.0 5.0 (2)

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