AI summary
Offline-first note app with AES-256 encryption for text notes and file attachments. Includes built-in file viewer, encrypted backups, and a cross-platform CLI tool. Version 5.3.7 improves secure file erasure reliability and fixes background crash issues.
Generated by AI. May contain inaccuracies.
About this app
NoteSR is a secure and offline-first note-taking Android app that creates an encrypted storage space on your device. You can write text notes, attach any type of file to them, and open files directly inside the app — all fully encrypted using AES-256.
✨ Features
- 🔐 AES-256 encryption — all data is encrypted and stored locally - 📝 Text notes with optional file attachments - 📂 Built-in file viewer — open attached files directly in the app - 🚫 No cloud, no account — 100% offline & private - 📁 Works with basic files types — images, videos, text files - 🔄 Encrypted export & import — backup and restore your storage - 🖥️ Cross-platform CLI tool for working with encrypted backups: NoteSR-Cli - 🧭 Simple and minimal interface
🔐 Privacy & Security
NoteSR is built with privacy in mind:
- All content is encrypted using AES‑256 - Backups are also encrypted and can only be opened with your key - No data ever leaves your device without your intent
License
MIT
What's new
- Improvements
- Improved the reliability of the secure file erasure feature, especially for large files and complex folder structures. - Optimized background processes like data import, export, and migration for better stability. - Internal optimizations to improve overall app performance and stability.
- Bug Fixes
- Fixed a crash that occurred when returning to the app after it was closed by the system in the background to save memory. - Fixed a potential crash (Out of Memory error) when securely erasing large files. - Fixed issues where background tasks might not behave correctly when the app was closed or removed from the recent tasks list. - Resolved several minor bugs and stability issues for a smoother experience.
About this version
- Version
- 5.3.7 (60)
- Size
- 35.38 MB
- Requires Android
- 10
- Target SDK
- 29
- Architecture
- x86_64, arm64-v8a, armeabi-v7a, x86
- Downloads
- 99
- Updated
- Apr 24, 2026
- Package
- app.notesr
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