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Software ready to scale

404 is a software development comany specialized on mobile / web apps and aplied AI apps. Based in Buenos Aires with +12 years of experience. Our apps are used by +70 millon users over the world.

The product´s internal and external quality are our top priorities, from simple and elegant code, to flows and user interfaces.

 

  • Min project size
    $5,000+
  • Hourly rate
    $25 - $49 / hr
  • Employees
    10 - 49
  • Locations
    Buenos Aires, Argentina
  • Year founded
    Founded 2011

1 Locations

  • Buenos Aires , Argentina

No have been added yet...

    Pricing Snapshot

    Min. project size $5,000+
    Avg. hourly rate $25 - $49 /hr
    Rating for cost 4.6 /5

    What Clients Have Said

    404 // Software crafters offers good value for cost, with project investments ranging from under $10,000 to over $400,000. Clients appreciate their transparency, timely delivery, and effective collaboration, indicating a strong return on investment.

    This summary is based on verified Clutch reviews.

    Most Common Project Size

    $50,000 - $199,999 based on 7 reviews
    < $49,999 $50,000 - $199,999 $200,000 - $999,999 > $1,000,000

    Select a service to see pricing information

    Highly Rated Similar Providers

    404 // Software crafters Review Insights

    Overall Review Rating

    4.8
    • Quality 4.9
    • Schedule 4.6
    • Cost 4.6
    • Willing to Refer 4.9

    Top Mentions

    Review Highlights

    • Strong Project Management Skills

      404 // Software crafters is noted for their organized project management, meeting deadlines, and maintaining transparency and fluid communication throughout projects. They have been praised for their responsiveness and ability to handle complex requirements.

    • High-Quality Deliverables

      Clients value the quality of 404 // Software crafters' work, noting their attention to detail, clean code, and innovative solutions. Their outputs are often described as reliable, scalable, and well-architected.

    • Cultural and Professional Fit

      Clients appreciate the cultural alignment and professional relationships fostered by 404 // Software crafters, often noting their integrity, honesty, and commitment to client success.

    • Potential for Team Expansion

      Some clients express a desire for 404 to expand their team to take on more projects, acknowledging the challenge of maintaining quality while growing. This indicates a strong demand for their services.

    • Innovative UI/UX Design

      Clients commend 404 for their innovative approach to UI/UX design, creating intuitive and aesthetically pleasing interfaces that enhance user experience and engagement.

    • Effective Communication and Collaboration

      404 // Software crafters are praised for their effective communication, using tools like Slack, email, and WhatsApp, and their ability to coordinate seamlessly with clients and other partners.

    404 // Software crafters Reviews

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    Custom Software Development for FinTech Company

    • Less than $10,000
    • Jan. - Mar. 2023
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    “404 // Software crafters developed the app properly with good architecture and clean code.”

    Apr 12, 2023
    Co-Founder & CEO, FinTech Company
    Javier De Urdanibia
    Verified
    • Financial services
    • New York City, New York
    • 1-10 Employees
    • Phone Interview
    • Verified

    404 // Software crafters developed a custom application for a fintech company. 404 // Software crafters developed the app’s front- and backend using Node.js, React.js, MongoDB, and JavaScript.

    Custom Web Dev for Agricultural Tech Company

    • Web Development
    • $200,000 to $999,999
    • June 2020 - Ongoing
    4.5
    Quality
    4.5
    Schedule
    4.0
    Cost
    4.5
    Willing to Refer
    5.0

    "They’re excellent professionals and have great expertise."

    Nov 9, 2022
    Executive, Agricultural Tech Company
    Anonymous
    Verified
    • Other industries
    • Argentina
    • 1-10 Employees
    • Phone Interview
    • Verified

    404 // Software crafters has helped an agricultural technology company develop their platform. The team implemented various modules based on the client’s requirements.

    Frontend Dev Services for Software Language Design Company

    • Custom Software Development UX/UI Design
    • $50,000 to $199,999
    • Jan. 2016 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    4.5
    Cost
    5.0
    Willing to Refer
    5.0

    “They have the exceptional ability to conceptualize what needs to be presented.”

    Apr 30, 2021
    Leader, Nonspeech/Speech Communication, LLC
    Anthony Rifkin
    Verified
    • Other industries
    • New York City, New York
    • 1-10 Employees
    • Phone Interview
    • Verified

    404 // Software crafters is working on two frontend development projects for a software language design company. The team designs the UI/UX of a medical software program and a news and business analysis app. 

    Mobile & Web App Dev for Petroleum Engineering Company

    • Mobile App Development
    • $200,000 to $999,999
    • Jan. 2015 - Jan. 2016
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    4.0
    Willing to Refer
    4.5

    "They were professional and always willing to help, solving problems and maneuvering around roadblocks." 

    Oct 2, 2018
    Project Manager, Oil Engineering Company
    Anonymous
    Verified
    • Energy & natural resources
    • Buenos Aires, Argentina
    • 201-500 Employees
    • Phone Interview
    • Verified

    404 developed a social network composed of a PHP web app and a native Android mobile app. They instituted a Symfony 2 framework and a PostgreSQL database and built the mobile app with Java. They also did QA.

    Multiple Dev Projects for Digital Banking Platform

    • Custom Software Development
    • $50,000 to $199,999
    • Jan. 2012 - Ongoing
    4.5
    Quality
    4.5
    Schedule
    4.5
    Cost
    4.0
    Willing to Refer
    5.0

    "They have quality solutions, are committed, and deliver on time."

    Aug 17, 2018
    Product Manager, VeriTran
    Anonymous
    Verified
    • Other industries
    • Buenos Aires, Argentina
    • 51-200 Employees
    • Phone Interview
    • Verified

    404 provides multiple development services, working on integrated web platforms, frontends for mobile iOS and Smartwatch solutions, and modernizing the company's UI.

    Mobile App Development for Global Campaigning Network

    • Mobile App Development
    • $50,000 to $199,999
    • Jan. 2016 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    “As an NGO client, we had a specific set of needs that 404 always took into careful consideration.”

    Aug 14, 2018
    Campaigner Climate and Energy, Greenpeace
    Ingo Boltz
    Verified
    • Other industries
    • Buenos Aires, Argentina
    • 1,001-5,000 Employees
    • Phone Interview
    • Verified

    404 programmed native iOS and Android app with a swipe-based interface that’s gamified with levels and badges. It stores signatures for petitions.  A photo editing feature integrates with social media. 

    Mobile App Development for International Forum

    • Mobile App Development
    • $50,000 to $199,999
    • Oct. 2017 - Ongoing
    4.0
    Quality
    5.0
    Schedule
    4.0
    Cost
    4.0
    Willing to Refer
    5.0

    “Several companies were unwilling to develop this kind of app so quickly. 404 was always helpful did an excellent job.”

    Aug 13, 2018
    Communications Advisor, Government Office
    Anonymous
    Verified
    • Government
    • Buenos Aires, Argentina
    • 201-500 Employees
    • Phone Interview
    • Verified

    404 // Mobile & Web Apps aided design and development for an international forum events app. Working with existing content, they built iOS and Android versions with secure features, established the UX, and corrected issues.

    AI Agents for IT Company

    • AI Agents AI Development Custom Software Development
    • Confidential
    • Dec. 2025 - Jan. 2026
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "Everything they did was good."

    Apr 8, 2026
    Corporate Director, Detecno
    Ruben Tanus
    Verified
    • Information technology
    • Monterrey, Mexico
    • 51-200 Employees
    • Online Review
    • Verified

    404 // Software crafters configured an AI bot for an IT company. The bot was designed for supporting, attending to and responding to more than 1,000 tickets per month.

    Showing 1-8 of 8 Reviews

    Our Story

    Agility isn’t just what we do; it’s who we are. At 404 Crafters, we drive product success through cross-functional teams and accelerated learning cycles. Using an iterative and incremental approach, we continuously deliver working software, prioritizing high-impact features first. Our goal is to maximize business value through rapid feedback and adaptation in a changing world, combining talent, motivation, and technical excellence to build products that truly grow.

    What Sets Us Apart

    Productive partnership

    We choose long-term win-win relationships. By working side-by-side with our clients and sharing business goals we help them achieve business agility and growth, innovation and technical excellence, impacting culture, teams and products.

    People focused

    Great software is built around motivated individuals. In a trusted, diverse and psychologically safe environment, people can learn, enrich their skills and grow as software professionals.

    Professionalism & Excellence

    A continuous learning culture is part of who we are. We work daily on our upskilling by deepening our expertise in technology, software design and Extreme Programming practices. By collecting feedback and reflecting regularly on our practices and processes we increase our effectiveness.

    Locations (1)

    Campos Salles 1966 Buenos AiresArgentina C1429

    10 - 15

    Contact 404 // Software crafters

    If you’re not seeing exactly what you need here, send this company a custom message. You can talk about your project needs, price, and timeline to get started on your project.

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    Detecno

    (1)
    Detecno Logotype

    Rubén Tanus