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Nano-sized laser-focused development agency

We are a nano-sized software development agency. Unlike larger software development houses, we stay laser-focused on the needs of our few customers.

  • Min project size
    $5,000+
  • Hourly rate
    $50 - $99 / hr
  • Employees
    2 - 9
  • Locations
    Wrocław, Poland
  • Year founded
    Founded 2012

1 Locations

  • Wrocław , Poland
No have been added yet...

    Pricing Snapshot

    Min. project size $5,000+
    Avg. hourly rate $50 - $99 /hr
    Rating for cost 4.7 /5

    What Clients Have Said

    Many-to-many is noted for providing good value for cost, with project costs ranging from $10,000 to $800,000. Clients appreciate their quality, communication, and timely delivery, often highlighting their flexibility and ability to scale. Overall, they are considered a reliable partner for mobile app development.

    This summary is based on verified Clutch reviews.

    Most Common Project Size

    $10,000 - $49,999 based on 11 reviews
    < $10,000 $10,000 - $49,999 $50,000 - $199,999 > $200,000
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    Highly Rated Similar Providers

    many-to-many Review Insights

    Overall Review Rating

    4.9
    • Quality 4.9
    • Schedule 4.8
    • Cost 4.7
    • Willing to Refer 4.9

    Top Mentions

    Review Highlights

    • Cost-Effective and Value-Driven

      Many-to-many is noted for providing high-quality services at a reasonable cost. Clients feel they receive good value for their investment, balancing cost and quality effectively.

    • Impressive Speed and Efficiency

      Clients are often impressed with the speed and efficiency of many-to-many's work, frequently completing tasks faster than expected while maintaining high quality.

    • Customer-Centric Approach

      Many-to-many is highly regarded for their customer-centric approach, ensuring that client satisfaction is a top priority. They are described as partners who are invested in the success of their clients.

    • Areas for Improvement in QA Processes

      Some clients have noted that there could be improvements in the QA process, particularly in providing more insight into the QA teams and increasing the consistency of QA practices.

    • Excellent Communication

      Clients appreciate many-to-many's transparency and responsiveness. They use various communication tools like Slack, JIRA, and Skype to keep clients updated and involved in the project.

    • High Client Retention and Long-Term Relationships

      Many-to-many has built long-term relationships with clients, some spanning several years. This indicates a high level of client satisfaction and trust in their services.

    many-to-many Reviews

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    Mobile App Dev for Consumer Insights Platform

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

    "We have been very happy with the leadership and work product for more than four years we’ve worked together."

    Director, Consumer Insights Platform
    Anonymous
    • Software
    • Oakland, California
    • 1-10 Employees
    • Online Review 
    • Verified

    many-to-many has developed a mobile app and web app for a consumer insights platform. They build a partner API, integrate e-commerce into the apps, and design the backend architecture.

    Development for Healthcare App

    • Mobile App Development
    • $50,000 to $199,999
    • June 2019 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    4.5
    Willing to Refer
    5.0

    "The quality and structure of their code are impressive."

    CEO, Healthcare App Developer
    Anonymous
    • Healthcare
    • London, England
    • 1-10 Employees
    • Phone Interview 
    • Verified

    Factorial Complexity took over a partially completed development project. They used React Native to create an application for patients to track their pain and receive customized recommendations.

    Native Mobile Development for Dating Application

    • Mobile App Development
    • $200,000 to $999,999
    • Mar. 2016 - Ongoing
    3.5
    Quality
    3.5
    Schedule
    4.0
    Cost
    3.5
    Willing to Refer
    3.5

    “Our work with them has been an evolution, and we’ve made a lot of great progress over the years.”

    Digital Product Owner, Dating Application
    Anonymous
    • Information technology
    • Toronto, Ontario
    • 1-10 Employees
    • Phone Interview 
    • Verified

    Factorial Complexity has served as the main development partner for a company producing and maintaining a dating app. They turn wireframes given to them into web and mobile implementations on Android and iOS.

    iOS & Android Development Support for IT Company

    • Mobile App Development
    • $10,000 to $49,999
    • Oct. 2019 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "... they've gone the extra mile to suggest design and UX changes and have the talent/ability to make these changes."

    CEO, Momentum Technology
    Amanda Pietrocola
    • IT Services
    • Holmdel, New Jersey
    • 1-10 Employees
    • Online Review 
    • Verified

    Factorial Complexity refactored an iOS and Android app based on a provided list of tasks. They completed the list, identified numerous bugs, and addressed them.

    Full Mobile Development for Audio Streaming App

    • Mobile App Development
    • $10,000 to $49,999
    • Mar. - June 2019
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "They were great to talk with, and I felt like we had a real partner in creating this app."

    Product Manager, iAwake Tech
    Ward Parsons
    • Education
    • Teasdale, Utah
    • 1-10 Employees
    • Online Review 
    • Verified

    Factorial Complexity created music streaming apps for iOS and Android. They used React Native to reduce the overall development time and posed new ideas to further refine the backend functionalities.

    Design & Development Roadmap for Personal Budgeting App

    • Mobile App Development
    • $10,000 to $49,999
    • Nov. 2018 - Jan. 2019
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    4.5
    Willing to Refer
    5.0

    “I was always confident that their team’s work aligned with my vision.”

    Principal, Personal Budgeting App
    Egor Trefilov
    • IT Services
    • Riga, Latvia
    • 1-10 Employees
    • Online Review 
    • Verified

    Factorial Complexity was tasked with creating a cloud-compatible person budgeting app for iOS. They delivered a detailed design and development roadmap.

    App Customization for E-Learning Solution

    • Mobile App Development
    • Less than $10,000
    • Sep. 2018 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "The open communication and responsiveness of their team stand out to us."

    COO, Raccoon Gang
    Peter Koblyakov
    • Information technology
    • Tallinn, Estonia
    • 51-200 Employees
    • Online Review 
    • Verified

    Factorial Complexity provided development support for an existing app. They customized the product and added features, including language localization.

    Mobile Development Outsourcing for UI and UX Design Firm

    • Mobile App Development
    • $10,000 to $49,999
    5.0
    Quality
    5.0
    Schedule
    4.0
    Cost
    5.0
    Willing to Refer
    5.0

    "They always deliver quality and service."

    President, Disrupt Studio
    Michael Lapico
    • Software
    • San Francisco, California
    • 1-10 Employees
    • Phone Interview 
    • Verified

    Factorial Complexity was hired to act as a partner to develop iOS applications for a firm specializing in user experience design and user interface design. 

    Outsourcing App Developers for Cultural Institutions

    • Custom Software Development
    • $10,000 to $49,999
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    4.0
    Willing to Refer
    5.0

    "They always deliver what they say they're going to deliver, and I've been pleased with their ability to do that."

    Principal, GuideOne
    Juan Sanabria
    • Software
    • New York City, New York
    • 1-10 Employees
    • Phone Interview 
    • Verified

    Factorial Complexity was hired as an embedded team that assisted in mobile development projects as well as the development of other interactive programs targeted as museums and other cultural institutions.

    Application Development for Gaming Company

    • Custom Software Development
    • $10,000 to $49,999
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "I found them to be the best developers both quality and price-wise."

    CEO, Neem Labs
    Raj Bhandari
    • Arts, entertainment & music
    • San Francisco, California
    • 1-10 Employees
    • Phone Interview 
    • Verified

    Factorial Complexity was hired to work on to build four different mobile native gaming applications and design the art for them. 

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    2 - 9

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