Perchain Privacy Policy

Privacy

プライバシー

Perchain is designed as a local-first manual calculation app. This policy explains what the app does with your data.

Last updated

2026-05-04

1. Data collection

Perchain does not collect personal data.

2. Data stored by the app

Calculation templates and history are stored locally on the user's device. These records are used only to provide the app's template and history features.

3. Cloud services

Perchain does not require an account and does not send calculation templates or history to a cloud service as part of its core behavior.

4. Tracking and analytics

Perchain does not track users across apps or websites and does not use third-party analytics in the current release.

5. Exchange rates

Perchain does not fetch live exchange rates. Any rate used in a calculation is entered by the user.

Summary

  • Perchain does not collect personal data.
  • Calculation templates and history are intended to stay on your device.
  • No account is required to use the core app.
  • Exchange rates are manually entered by the user.
  • This policy may be updated if the app's storage model changes in the future.

Questions about this policy can be sent to [email protected].