Notes (PFA) for Android

Notes (PFA)

SECUSO - Security Usability Society

version 2.2.1

(SECUSO) Notes App with minimal permissions and without advertising

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Antivirus & safety scan results

Scan Date: May 29, 2026 Software Version: 2.2.1
Status: ✅ Trusted & Safe to install This app is signed by SECUSO - Security Usability Society with trusted and verified digital signature and it will updated existing Notes (PFA) installations Certificate fingerprint: ce01a61218b97ac4deaa75da4e5afbda059dff20 Issuer: CN=Philipp Rack How we verify APK files security

Notes (PFA) Text Editors app for Android description

Privacy Friendly Notes allows you to take and manage notes on Android devices. It belongs to the Privacy Friendly Apps group developed by the research group SECUSO at Karlsruhe Institute of Technology. More information can be found at secuso.org/pfa.

The following four types of notes are available:

  • Simple text notes
  • Checklist notes
  • Audio notes
  • Sketchnotes

Furthermore, the notes can be grouped into categories, reminders can be assigned to notes and the notes can be exported to the device storage.

How does Privacy Friendly Notes from other similar apps?

  • Minimal Permissions
    The permission RECORD_AUDIO (Category Mikrofon) is required to record audio notes. In case this permission is not granted by the user (in Android versions higher than 6) it will not be possible to record audio notes.
    WRITE_EXTERNAL_STORAGE (Category Speicher) is used to export notes to the device storage. In case this permission is not granted by the user (in Android versions higher than 6) it will not be possible to export notes.
    Beside the permissions above the permission “RECEIVE_BOOT_COMPLETED” (Category “Normal/non-critical”) is required to reschedule notifications after a reboot. This permission cannot be modified by the user.
    For comparison: The Top Ten of similar apps from the Google Play Store, which in the Google Play Store requires an average of 11.7 permissions (in December 2016). These are for instance the location permission or the permissions to access, modify or delete storage.
  • No advertisement
    Moreover, Privacy Friendly Notes distinguishes from many other applications in the way that it completely relinquishes advertisements. Advertisement might track a users actions. It could also shorten battery life or use mobile data.

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Specifications


Old Versions

Notes (PFA) icon

2.2.0 APK

May 28, 2026

Notes (PFA) icon

2.1.1 APK

November 5, 2025

Notes (PFA) icon

2.1.0 APK

October 31, 2025