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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

Select Focus Area
Application Platforms
Amazon Application Development Framework
60%
Heroku
20%
Azure Platform
10%
AI Technologies & Models
Open AI GPT-3
100%
Frameworks and CMS
Other frameworks and CMS
10%
Programming & Scripting
Java
20%
Typescript
10%
Python
5%
Ruby
5%
Industries
Financial services
50%
Other industries
30%
Education
20%
Clients
Midmarket ($10M - $1B)
60%
Enterprise (>$1B)
40%

Pricing Snapshot

Min. project size $5,000+
Avg. hourly rate $25 - $49 /hr
Rating for cost 4.5 /5

What Clients Have Said

404 // Software crafters offers competitive pricing with project investments ranging from under $10,000 to $400,000. Clients appreciate their value for cost, timely deliveries, and ability to adapt to project needs, 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 4.7
  • Cost 4.5
  • Willing to Refer 5.0

Top Mentions

Review Highlights

  • Efficient Project Management

    404 // Software crafters is consistently praised for organized, timely deliveries and proactive communication. Clients value their responsive project management, which adapts to changing needs and ensures project alignment.

  • Effective Problem Solving and Innovation

    The team is commended for their innovative solutions and problem-solving abilities, often providing valuable insights that enhance project outcomes and client strategies.

  • Commitment to Client's Mission

    Clients value 404 // Software crafters' dedication to understanding and supporting their missions, especially for NGOs and mission-driven organizations, adding depth to their partnerships.

  • Adaptability in Challenging Situations

    404 // Software crafters has demonstrated adaptability in challenging situations, such as project scope changes and pandemic constraints, maintaining project progress and quality.

  • Room for Enhanced Communication Frequency

    While overall communication is praised, some clients suggested that more frequent check-ins could enhance alignment during certain project stages, indicating a potential area for improvement.

  • Clear Focus on Quality Over Quantity

    The company maintains a focus on delivering high-quality solutions, even if it means slower growth, ensuring consistent client satisfaction and project success.

404 // Software crafters Reviews

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Custom Software Development for FinTech Company

  • NodeJS JavaScript React
  • 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
  • Java Python
  • $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
  • UX Strategy
  • $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
  • Symfony Android App Development Social App Development Java PHP SQL
  • $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
  • backbone.js VueJS Java JavaScript Typescript
  • $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
  • Consumer Mobile App Development Android App Development iPhone iOS 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
  • Android App Development iPhone iOS 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.

Web & Mobile App Development for Building Mgmt Software Co

  • Custom Software Development Mobile App Development Web Development
  • Other app platform Consumer Mobile App Development
  • Confidential
  • May 2021 - Sep. 2022
5.0
Quality
5.0
Schedule
5.0
Cost
4.0
Willing to Refer
5.0

"They were proactive and collaborative, contributing valuable ideas and acting more like a partner than a vendor."

May 5, 2026
Managing Partner, Building Management Software Company
Anonymous
Verified
  • Other industries
  • Argentina
  • 1-10 Employees
  • Online Review
  • Verified

404 // Software crafters provided web and mobile app development for a building management software company. The team built the front- and backend of a new platform for property owners and tenants.

Mobile App Development for FinTech Infrastructure Company

  • Mobile App Development
  • Financial Mobile App Development
  • Confidential
  • Feb. 2024 - Ongoing
5.0
Quality
5.0
Schedule
5.0
Cost
4.5
Willing to Refer
5.0

"I'm impressed with 404 // Software crafters' technical craftsmanship, experience, and values alignment."

Apr 29, 2026
COO & Co-Founder, Fidi
Ezequiel Martin
Verified
  • Financial services
  • Chile
  • 11-50 Employees
  • Online Review
  • Verified

404 // Software crafters has developed a mobile app with banking-grade security and an easy-to-use UX for a fintech infrastructure company. The team has handled the app's backend and integrations.

AI Agents for IT Company

  • AI Agents AI Development Custom Software Development
  • Chatbots & Conversational AI Customer Service AI Agents Workflow AI Agents
  • 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 1-10 of 10 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

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Detecno

(1)
Detecno Logotype

Rubén Tanus

Fidi

(1)
Fidi Logotype

Ezequiel Martin