Top 100 Startup App Developers

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Top 100 Startup App Developers

The Best of December 2024

Looking for a top Startups mobile app developer?

As mobile solutions become increasingly vital to business success, your choice of app developer carries added significance. Searching for and vetting potential partners can be an exhausting process. 

Jump to Most Reviewed Companies

List of the Best Startup Mobile App Development Companies

  • 61
    (13 Reviews) 5.0
    • Timeliness

      4.8
    • Service Excellence

      5.0
    • Value

      4.8
    • Would Recommend

      5.0
    • $50,000+
    • 50 - 249 employees
    • Los Angeles, CA

    Los Angeles, CA-based digital agency ISBX has been building mobile apps for its customers since 2009. ISBX has a mid-size team that offers a comprehensive slate of services, including user experience (UX) design, mobile and web development, creative branding, and marketing.The CTO went on to say that they appreciated that ISBX was understanding, responsive, and easy to communicate with.

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    Clients

    • Science37
    • BrainCorp
    • Red Bull - Multiple Projects
    • Apple/Beats

    Industries

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  • 62
    (34 Reviews) 4.8
    • Timeliness

      4.5
    • Service Excellence

      4.8
    • Value

      4.3
    • Would Recommend

      4.9
    • $25,000+
    • 250 - 999 employees
    • Pleasanton, CA

    Altoros is a software development company in Warsaw, Poland. Founded in 2001, Altoros' team of over 350 employees specializes in cloud consulting, BI & big data consulting, blockchain and artificial intelligence services. 

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    Clients

    • Allstate

    Industries

  • 63
    (62 Reviews) 4.8
    • Timeliness

      4.5
    • Service Excellence

      4.7
    • Value

      4.5
    • Would Recommend

      4.9
    • $75,000+
    • 50 - 249 employees
    • New York, NY
    Launched in 2009, BlueLabel is a Generative AI company. The firm specializes in Generative AI, AI Consulting, Artificial Intelligence, Product Design, and more and has a midsize team. The firm is located in New York, New York; Redmond, Washington and San Francisco, California.
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    Clients

    • Bloomberg News

    Industries

  • 64
    (6 Reviews) 4.8
    • Timeliness

      4.6
    • Service Excellence

      4.8
    • Value

      4.7
    • Would Recommend

      5.0
    • $75,000+
    • 50 - 249 employees
    • Porto Alegre, Brazil

    White Prompt is a software development company founded in 2015 in Newark, Del. with more than 50 experts. They specialize in IT staff augmentation, mobile app development,  and web development solutions for small and medium-sized firms alike.

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    Clients

    • Aquto

    Industries

  • 65
    (18 Reviews) 4.9
    • Timeliness

      4.7
    • Service Excellence

      4.9
    • Value

      4.7
    • Would Recommend

      4.9
    • $25,000+
    • 10 - 49 employees
    • McMinnville, OR

    Buildable Custom Software is a software development firm founded in 2008. Located in McMinnville, Ore., their team of 9 employees specialize in custom software development, UX/UI design, and web design. They work with small and midmarket businesses within the transportation, education, and health care industries.
     

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    Clients

    • Citycounty Insurance Services

    Industries

  • 66
    (24 Reviews) 4.9
    • Timeliness

      4.8
    • Service Excellence

      4.9
    • Value

      4.5
    • Would Recommend

      5.0
    • $25,000+
    • 50 - 249 employees
    • Prague, Czech Republic

    OAK'S LAB is a full-service digital product development agency and startup ecosystem based in Prague and San Francisco. Since their inception in 2016, the team has scaled to 70 employees and built 31 startups with a valuation of $750 million. They offer services in product management, UI/UX design, engineering, DevOps, and QAC. 

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    Clients

    • Startups
    • Scaleups
    • SMEs
    • Large Enterprises

    Industries

  • 67
    (28 Reviews) 4.7
    • Timeliness

      4.7
    • Service Excellence

      4.6
    • Value

      4.7
    • Would Recommend

      4.5
    • $5,000+
    • 1,000 - 9,999 employees
    • Białystok, Poland

    Founded in 2004, Qburst is a product development and consulting company of 1300+ designers, developers, UX engineers, and business analysts. Headquartered in Trivandrum, India with offices in the UK, California, Virginia, and Poland, their team focuses on web, mobile, and cloud-based solutions of all sizes.

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    Clients

    • United Nations

    Industries

  • 68
    (9 Reviews) 4.9
    • Timeliness

      5.0
    • Service Excellence

      4.9
    • Value

      4.8
    • Would Recommend

      4.9
    • $10,000+
    • 10 - 49 employees

    Gorazdo Studio is an UX company. Their small team is located in Amsterdam, Netherlands and focuses on ux/ui design, web development, web design, product design, and more. The firm was founded in 2018.

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    Industries

  • 69
    (12 Reviews) 4.8
    • Timeliness

      4.8
    • Service Excellence

      4.8
    • Value

      4.6
    • Would Recommend

      4.7
    • $5,000+
    • 10 - 49 employees
    • Kyiv, Ukraine

    Avocado Technology is a mobile and web development company based in Luxembourg and founded in 2017. Their team of over 10 offers mobile app development, web development, and application testing solutions to small and mid-market clients alike in the fields of arts, business services, and education.

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    Clients

    • WeSyncUp

    Industries

  • 70
    (32 Reviews) 5.0
    • Timeliness

      4.9
    • Service Excellence

      4.9
    • Value

      4.9
    • Would Recommend

      5.0
    • $10,000+
    • 50 - 249 employees
    • Tallinn, Estonia

    Brocoders is a software development company for VC-backed startups and midsize businesses based in Daytona Beach, Fla. Founded in 2014, Brocoders has a team of more than 70 specialists and has expanded to a second office in Kyiv, Ukraine to serve clients around the world. They provide web, cross-platform mobile app, custom software, and cloud architecture development.

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    Clients

    • iFit - Interactive Fitness & Workout App

    Industries

  • 71
    (26 Reviews) 4.9
    • Timeliness

      4.8
    • Service Excellence

      5.0
    • Value

      4.7
    • Would Recommend

      5.0
    • $25,000+
    • 10 - 49 employees
    • Lisboa, Portugal

    Altar.io is a product and software development company based in Lisbon, London, and Milan. Founded in 2015, the team of 20 provides end-to-end IT services in web, mobile, and cloud. They also provide UX/UI design, development, and software deployment. They are cross-industry, with a specialty in fintech and work with companies of all sizes.

     

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    Clients

    • Apiax

    Industries

  • 72
    (50 Reviews) 4.9
    • Timeliness

      4.8
    • Service Excellence

      4.8
    • Value

      4.8
    • Would Recommend

      4.9
    • $10,000+
    • 10 - 49 employees
    • Poznań, Poland

    Established in 2016, Adchitects is a web design agency blending technical and creative skills to deliver value to US businesses, helping them build and enhance their digital presence.

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    Clients

    • Jägermeister
    • The Explorers Club
    • SBG Funding
    • HELM

    Industries

  • 73
    (13 Reviews) 4.9
    • Timeliness

      4.9
    • Service Excellence

      5.0
    • Value

      4.8
    • Would Recommend

      4.9
    • $25,000+
    • 10 - 49 employees
    • London, England

    Yalla is an UX design company. They are in London, United Kingdom and Gaza City, Palestine, State of and have a small team that specializes in ux/ui design, custom software development, web design, web development, and more. The agency was launched in 2019.

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    Clients

    • Shannon Trust

    Industries

  • 74
    (8 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

      4.9
    • $25,000+
    • 50 - 249 employees
    • New York, NY

    Based in Labuan, Malaysia, Web3Dev is a AR/VR development company. They focus on AR/VR development, blockchain, web development, mobile app development, and more and were launched in 2015.

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    Industries

  • 75
    (11 Reviews) 5.0
    • Timeliness

      4.9
    • Service Excellence

      4.9
    • Value

      4.9
    • Would Recommend

      5.0
    • $10,000+
    • 10 - 49 employees
    • Los Angeles, CA

    Sunrise Integration is a software development firm. They are located in Los Angeles, California and have a small team. Their team provides custom software development, web development, mobile app development, e-commerce development, and more.

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    Clients

    • Live Nation
    • Ferrari
    • Rakuten
    • Marvel

    Industries

  • 76
    (18 Reviews) 4.8
    • Timeliness

      4.8
    • Service Excellence

      4.8
    • Value

      4.7
    • Would Recommend

      5.0
    • $25,000+
    • 50 - 249 employees
    • Vilnius, Lithuania

    Corner Case Technologies is a digital product development company based in Vilnius, Lithuania, with an office in London, UK. The company, founded in 2016, has a team of around 30 IT professionals who provide custom software, web, and mobile app development services to various businesses and institutions.

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    Clients

    • Sejico
    • MindTales
    • Kiosk
    • SEIFA

    Industries

  • 77
    (22 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      4.9
    • Would Recommend

      5.0
    • $25,000+
    • 10 - 49 employees
    • Newport Beach, CA

    Revealize Inc. is a web development agency that has been offering web design and web development services to their clients since 2017. Their 10 employees are based out of Newport Beach, Calif.

     

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    Clients

    • SaaStock

    Industries

  • 78
    (10 Reviews) 4.8
    • Timeliness

      4.5
    • Service Excellence

      4.7
    • Value

      5.0
    • Would Recommend

      5.0
    • $50,000+
    • 10 - 49 employees
    • Miami, FL

    Cobuild Lab, Inc. is a software services company of around 10 employees. Founded in 2014, their headquarters is in Miami. They offer numerous services, including custom software development, product design, blockchain and UX/UI design.

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    Industries

  • 79
    (3 Reviews) 5.0
    • Timeliness

      4.5
    • Service Excellence

      5.0
    • Value

      4.7
    • Would Recommend

      5.0
    • $50,000+
    • 50 - 249 employees
    • Zürich, Switzerland

    Founded in 2013, modeso is a software development firm. They are located in Zürich, Switzerland; Alexandria, Egypt and Cairo, Egypt and have a midsize team. Their services include custom software development, web development, enterprise app modernization, and other application development.

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    Clients

    • Audit Technologies

    Industries

  • 80
    (3 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

      5.0
    • $10,000+
    • 10 - 49 employees
    • Malang, Indonesia

    Blankontech is a website development company founded in 2020. Headquartered in Malang, Indonesia, their small team offers web development, mobile app development, application testing, and custom software development.

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    Industries

  • 81
    (9 Reviews) 4.9
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      4.9
    • Would Recommend

      5.0
    • $5,000+
    • 10 - 49 employees

    Code & Cakes is a small web development firm. The Warszawa, Poland-based firm was established in 2022. Their team specializes in web development, custom software development, IT strategy consulting, and blockchain.

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    Clients

    • AiSDR

    Industries

  • 82
    (8 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      4.9
    • Would Recommend

      5.0
    • $5,000+
    • 10 - 49 employees
    • Chicago, IL

    Hristov Development is a Northbrook, Illinois-based software development firm. They offer custom software development, web development, and mobile app development and were launched in 2013.

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    Clients

    • Cylindo

    Industries

  • 83
    (40 Reviews) 4.9
    • Timeliness

      4.8
    • Service Excellence

      4.8
    • Value

      4.8
    • Would Recommend

      5.0
    • $10,000+
    • 50 - 249 employees
    • Warszawa, Poland

    Industries

  • 84
    (3 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

      5.0
    • $1,000+
    • 10 - 49 employees

    IDEACT is a small user experience design agency established in 2017. Their services include ux/ui design, IT strategy consulting, web development, and mobile app development. The agency is located in Prague, Czech Republic.

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    Industries

  • 85
    (10 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

      5.0
    • $10,000+
    • 10 - 49 employees
    • Prague, Czech Republic

    LNOKS, a website development firm, is in Brno, Czech Republic. Launched in 2022, the small team provides web development, ux/ui design, mobile app development, and e-commerce development.

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    Clients

    • Tourific

    Industries

  • 86
    (7 Reviews) 4.6
    • Timeliness

      4.4
    • Service Excellence

      4.8
    • Value

      4.9
    • Would Recommend

      4.9
    • $10,000+
    • 50 - 249 employees

    pitangoUX is a design agency in San Jose, Calif., and Tel Aviv, Israel. Founded in 2010, they have about 8 employees that serve small-business and midmarket clients in the gaming, consumer products, and business sectors. Services include UI/UX design and product design.

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    Clients

    • Yarkani

    Industries

  • 87
    (14 Reviews) 5.0
    • Timeliness

      4.9
    • Service Excellence

      5.0
    • Value

      4.9
    • Would Recommend

      5.0
    • $5,000+
    • 10 - 49 employees
    • Denver, CO

    Neon Rain Interactive is a Denver-based custom web development firm that was founded in 2002. The firm has around 10 employees and provides custom software development, web design, and web development services mainly to small businesses.

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    Clients

    • Sprint

    Industries

  • 88
    (10 Reviews) 4.8
    • Timeliness

      4.4
    • Service Excellence

      4.8
    • Value

      4.8
    • Would Recommend

      4.9
    • $25,000+
    • 50 - 249 employees
    • Hallandale Beach, FL

    OL Software is a software development outsourcing company based in Cali, Colombia, with an office in Miami. The company, founded in 2007, has more than 50 employees who provide custom software development, IT staff augmentation, and UX/UI design services to various companies, organizations, and institutions.

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    Clients

    • Tecnoquimicas

    Industries

  • 89
    (2 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

      5.0
    • $10,000+
    • 10 - 49 employees
    • București, Romania

    Krypton Labs is a blockchain company. The small București, Romania-based company was launched in 2020. Their team focuses on blockchain, custom software development, web development, and Artificial Intelligence.

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    Industries

  • 90
    (3 Reviews) 4.8
    • Timeliness

      4.3
    • Service Excellence

      4.3
    • Value

      4.5
    • Would Recommend

      4.7
    • $10,000+
    • 50 - 249 employees
    • Chennai, India

    Sciflare Technologies Pvt Ltd is a mobile application development firm. They are headquartered in Chennai, India and have a small team. Their services include mobile app development, ux/ui design, IT strategy consulting, digital strategy, and more.

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    Industries

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