Best App Developers for Startups

8 Companies - Rankings updated: June 26, 2026

DesignRush vets all agencies based on professional qualifications and verified customer feedback to help you choose confidently. Some featured agencies maintain paid sponsorships.

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United States × California × Mountain View ×

  • Closeloop Technologies

    Bringing awesome ideas to life

    Bringing awesome ideas to life

    App Development drives innovation at Closeloop Technologies. With our unique expertise, we deliver tailored mobile solutions that enhance user engagement and business growth. Expect collaborative, cutting-edge apps designed to meet your specific goals and elevate your digital presence.  [... see all Closeloop Technologies reviews ]
    Location
    Mountain View, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    31 Projects Listed
    View Profile
    4.9 4.9 (18)
    5.0 5.0 (4)

  • M TECHUB LLC

    Mobile App Development Agency

    Mobile App Development Agency

    M TECHUB LLC Leading Mobile App Development & Staff Augmentation Company in the USA  [... see all M TECHUB LLC reviews ]
    Location
    Mountain View, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $45/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    20 Projects Listed
    View Profile
    4.3 4.3 (1)
    4.3 4.3 (66)

  • Grazitti Interactive

    Marketing For Digital Natives

    Marketing For Digital Natives

    Grazitti Interactive, a global leader in digital innovation, offering AI-driven solutions to drive customer success. We specialize in Salesforce, marketing automation, analytics, and more, partnering with industry giants to deliver results-oriented solutions for clients.  [... see all Grazitti Interactive reviews ]
    Location
    Mountain View, California
    Number of Employees
    1000 & Up
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    11 Projects Listed
    View Profile
    4.8 4.8 (5)
    4.2 4.2 (386)

  • VentureDive

    Engineering Intelligent & Scalable Solutions.

    Engineering Intelligent & Scalable Solutions.

    VentureDive is an award-winning custom software development company dedicated to spearheading digital transformations for Fortune 500 companies across BFSI, CPG/retail, healthcare, transportation, logistics, and QSR industries through its expertise in the realms of Fintech, Data & AI, HealthTech, PropTech  [... view VentureDive profile ]
    Location
    Mountain View, California
    Number of Employees
    250 - 499
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $25,000 - $50,000
    View Profile

  • Geex Arts

    Designing Memorable Digital Products

    Designing Memorable Digital Products

    Geex Arts is a digital product design and development agency offering consultancy and end-to-end support for bringing innovative digital products to market. With a prominent international presence and a track record of success across multiple continents, it specializes in design, branding, mobile app  [... view Geex Arts profile ]
    Location
    Mountain View, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $99/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    1 Project Listed
    View Profile

  • Royce Web Solutions

    Affordable & Premium Web Development Company

    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.  [... view Royce Web Solutions profile ]
    Location
    Mountain View, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $1,000 - $10,000
    View Profile

  • Creatiosoft Solutions Private Limited

    Your Ultimate Partner in Poker Game Evolution.

    Your Ultimate Partner in Poker Game Evolution.

    Creatiosoft is a leading poker game development company specializing in creating immersive, innovative, and scalable poker solutions. Since 2012, weve delivered world-class gaming experiences powered by cutting-edge technology, including blockchain and AI integration. With a global client base spanning the  [... view Creatiosoft Solutions Private Limited profile ]
    Location
    Mountain View, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $20/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    1 Project Listed
    View Profile

  • Rytsense Technologies

    Leading Global Digital Transformation

    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.  [... view Rytsense Technologies profile ]
    Location
    Mountain View, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $25/hr
    Minimal Budget
    Under $1,000
    View Profile
    5.0 5.0 (66)

About The Author and Expert Reviewer

Content Specialist

selina@designrush.com

Selina Garcia has authored 500+ articles and edited 50+ published books in economics, law, and history. Her unique blend of experiences allows her to approach content creation from a well-rounded perspective. Currently, Selina applies her expertise to producing insightful articles on IT, software, and applications for DesignRush.

Former Development Director

spotlight@designrush.com

Sergio is a technology leader with over six years of experience managing global teams and delivering projects across fintech, sportstech, and B2B platforms. At DesignRush, he drove product growth and development execution, building tools that speed up processes by 95% and cut costs by 35% while maintaining full uptime.

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