Mobile app · Office & notes

NoteSR - Encrypted Notes

Secure offline notes with AES-256 encryption and encrypted file attachments.

Completely free
Android
Open source

Overview

NoteSR - Encrypted Notes is a note-taking mobile app, available on Android.

Features described in its F-Droid listing: data encryption, attachments and offline use.

Overview written by LicitPro from the documentation published by the authors and the cited sources; we have not tried the resource ourselves.

Excerpts that establish this information

“Secure offline notes with AES-256 encryption and encrypted file attachments.” — F-Droid, 10 November 2026
“Secure offline notes with AES-256 encryption and encrypted file attachments.” — F-Droid, 10 November 2026
“Secure offline notes with AES-256 encryption and encrypted file attachments.” — F-Droid, 10 November 2026
“Fully offline usage (no internet required)” — F-Droid, 10 November 2026

At a glance

All of NoteSR - Encrypted Notes is free: no feature is locked behind a paid plan, and its code is open.

Its licence (MIT) is a permissive open source licence: use, modification and redistribution are allowed, including in commercial projects.

Strengths

Open source code
No advertising
Commercial use allowed

Sources and checks

Facts collected from F-Droid (credit card, source code, publisher, licence, free status, platforms, ads, commercial use, version) — 6 November 2026
Last technical check: 5 November 2026
Description from F-Droid — F-Droid (citation courte)

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