DoublePi 4+

For a more circular society

SixTwentyEight & Change

    • 5.0 • 1 Rating
    • Free
    • Offers In-App Purchases

iPhone Screenshots


2π is the true constant of a circle and the inspiration for creating the DoublePi community where our core mission is to help build a more circular society.
DoublePi creates an easy and secure space where users can connect and share free, used/unused goods.
Users showcase eco-friendly DYI projects and engage in contests based on those projects.
(2PI)Feed features ideas about living the earth-friendly DoublePi lifestyle.

What’s New

Version 4.5

Bug fixes and performance improvement

Ratings and Reviews

5.0 out of 5
1 Rating

1 Rating

App Privacy

The developer, SixTwentyEight & Change, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Not Linked to You

The following data may be collected but it is not linked to your identity:

  • Location
  • Contact Info
  • Diagnostics

Privacy practices may vary, for example, based on the features you use or your age. Learn More

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