# Note Locker - Protect notes

> A simple tool to store private notes protected by a secure lock.

Canonical page: [https://chrome-stats.com/d/dev.tuantv.android.securenote](https://chrome-stats.com/d/dev.tuantv.android.securenote)

## Overview

- **ID:** `dev.tuantv.android.securenote`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** The Simple Apps
- **Category:** TOOLS
- **Downloads:** 15,533
- **Rating:** 4.20 / 5 (64 ratings)
- **Version:** 1.1.1
- **Last updated:** 2025-10-10
- **First published:** 2021-07-11
- **Publisher country:** VN
- **Size:** 2.12 MB
- **Data as of:** 2026-09-12
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=dev.tuantv.android.securenote)
- **Website:** [https://tuantvdev.github.io/](https://tuantvdev.github.io/)
- **Privacy policy:** [https://tuantvdev.github.io/privacy-policy.html](https://tuantvdev.github.io/privacy-policy.html)

## Description

## Note Locker - Protect Your Notes with Top Security

Note Locker is a user-friendly Chrome extension designed to securely store your private notes. With password, PIN, or pattern locking options, it ensures your notes remain confidential and inaccessible to unauthorized users. The extension uses Advanced Encryption Standard (AES) to encrypt your notes, providing a robust layer of security.

### Key Features

- Simple and intuitive interface for easy note creation and editing.
- Strong security using password, PIN, or pattern locks.
- AES encryption to keep your notes safe.
- No unnecessary permissions required, enhancing your privacy.
- Advanced security settings, including preventing uninstallation by activating device admin.

Whether for personal reminders, confidential information, or sensitive data, Note Locker offers a secure and straightforward solution to keep your notes private. For assistance or suggestions, the developer can be contacted via thesimpleapps.dev@gmail.com.

## Rankings

- #477,529 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_ADSERVICES_AD_ID`
- `android.permission.ACCESS_ADSERVICES_ATTRIBUTION`
- `android.permission.ACCESS_ADSERVICES_TOPICS`
- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.FOREGROUND_SERVICE`
- `android.permission.INTERNET`
- `com.android.vending.BILLING`
- `com.google.android.gms.permission.AD_ID`
- `dev.tuantv.android.securenote.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`

## Review summary

Users find the app simple and good for private note-taking with password locking. However, multiple users raise serious security concerns, reporting data compromises and untrustworthiness. Additionally, the app lacks automatic saving, causing note loss unless manually saved. Forgotten passwords also result in permanent access loss.

### Pros

- Simple and easy to use
- Good for keeping private notes
- Notepad functionalities work well
- Provides a locking mechanism for notes

### Cons

- Security concerns leading to data compromise
- No automatic save feature, notes can be lost if not manually saved
- Users have forgotten passwords and lost access

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Source: [Chrome-Stats](https://chrome-stats.com/d/dev.tuantv.android.securenote)