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Custom Web & Mobile Apps Development

Mobile App Development + Web Development + Custom Software Development

We build amazing apps from Argentina for startups all around the world. For five consecutive years (2018, 2019, 2020, 2021, 2022) XOOR has been selected by Clutch as one of the leading software development companies in Argentina and Latin America.

Some of the services we provide:

  • $50,000+
  • $50 - $99 / hr
  • 10 - 49
  • Founded 2017
Average Review Rating
5.0
Total Reviews
25
Most Common Project Size
$50,000 to $199,999
Average Referral Rating
5.0 /5

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    Highly Rated Similar Providers

    Overall Review Rating

    5.0
    • Quality

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    • Schedule

      4.7 /5
    • Cost

      4.7 /5
    • Willing to Refer

      5.0 /5
    See all 25 Reviews
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    Mobile App Development for Startup Coaching Company

    • Mobile App Development UX/UI Design Web Design
    • $50,000 to $199,999
    • June - Dec. 2023
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    ''This is truly the most professional company we have ever worked with.''

    Sep 19, 2023

    A startup coaching company has hired XOOR Inc. for mobile app development. Their work includes building the platform, guiding the client on the product's structure and go-to-market strategy, and support.

    Web App Dev for SaaS Company

    • Custom Software Development Other Application Development
    • $50,000 to $199,999
    • Mar. - Oct. 2023
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "The entire project was managed very well."

    Sep 18, 2023

    XOOR Inc. designed and developed a web app for a SaaS company. 
    The project involved UI/UX design, implementation, testing, and deployment.

    Web App Dev & UI/UX Design for Branding SaaS Company

    • $50,000 to $199,999
    • Aug. 2022 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    “XOOR Inc. works as our partner; they’re our extended technology team.”

    Feb 23, 2023

    XOOR Inc. has built a prototype of an AI web app for a SaaS company creating AI-enabled branding solutions. They’ve done the UI/UX design and used React and Node.js.

    IT Staff Augmentation for Advertising Services Company

    • IT Staff Augmentation
    • $200,000 to $999,999
    • January 2022
    5.0
    Quality
    5.0
    Schedule
    4.5
    Cost
    4.0
    Willing to Refer
    5.0

    "They were proactive about improving the dynamics between both teams and were transparent about everything."

    Dec 5, 2022

    XOOR Inc. augmented an advertising services company's development team with autonomous developers for backlog and new functionalities. They worked within the client's roadmap and assisted in the design phase. 

    Custom Software Design & Development for Software Company

    • Custom Software Development
    • $200,000 to $999,999
    • July 2017 - Ongoing
    5.0
    Quality
    4.5
    Schedule
    3.5
    Cost
    4.5
    Willing to Refer
    4.5

    “XOOR Inc. brings an impressive level of customer service.”

    Mar 25, 2022

    XOOR Inc. provides custom software design and development support for a software company. Working on the wireframes and specifications that the client provides, they design and deliver apps to spec.

    Mobile App Dev for Marketing Solutions Provider

    • Mobile App Development
    • $50,000 to $199,999
    • July 2021 - Ongoing
    4.5
    Quality
    4.0
    Schedule
    4.0
    Cost
    3.0
    Willing to Refer
    5.0

    "They try to better understand the tasks and come up with suggestions on their side that will improve them."

    Mar 25, 2022

    Picking up from the previous vendor, XOOR Inc. continued a marketing solutions provider's mobile app development. They were tasked to develop new modules and optimize the loading time of the app.

    Product Dev, Design & UX for Software Company

    • Custom Software Development UX/UI Design Web Design
    • $50,000 to $199,999
    • Sep. 2021 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "They genuinely care about the quality of work and how users interact with the product."

    Mar 23, 2022

    A software company partnered with XOOR Inc. for assistance in developing and designing their product. The vendor's tasks also include designing the UX and doing the QA for the project.

    Progress Web Application Dev for Software Service Company

    • Custom Software Development
    • $50,000 to $199,999
    • July 2020 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    4.5
    Cost
    4.0
    Willing to Refer
    5.0

    “They have a diverse background and decades of experience, from front- and backend development to design.”

    Feb 11, 2021

    To expand on an existing PWA, XOOR, Inc. improved the solution’s capabilities using Node.js and React Native. It’s a one-stop-shop that facilitates mentorship through video, scheduling, and note-taking tools.

    Web Platform & App Dev for Art Marketplace

    • Custom Software Development
    • $50,000 to $199,999
    • June 2020 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "I’m most impressed by their commitment and knowledge of how startups work."

    Feb 1, 2021

    An art marketplace startup engages XOOR Inc. for web development services. In addition to a custom web platform, the XOOR Inc. team developed a custom web application. They continue to advance the products.

    Mobile App Development for COVID-19 Detection Startup

    • Mobile App Development
    • Confidential
    • Sep. 2020 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    “They went beyond the extra mile and thought of things that I hadn’t even considered.”

    Jan 29, 2021

    XOOR Inc. is developing a mobile app for a nonprofit. The app will use AI to analyze cough recordings and predict whether a user has COVID-19. They built the first version and continue to enhance it.

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