Note Locker - Protect notes

Developer: The Simple Apps

Category: Tools

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15K installs

64 ratings

623 monthly active users

$<10K monthly revenue est.

IAP 49% · Ad 51%

Install Trends

Weekly +73

Steady

Monthly +265

Steady

Note Locker - Protect notes Summary

Note Locker - Protect notes is a ad-supported, with in-app purchases Android app in Tools by The Simple Apps. Released in Jul 2021 (4 years ago). It has about 15K+ installs and 64 ratings with a 4.20★ (good) average. Based on AppGoblin estimates, it reaches roughly 623 monthly active users and generates around $<10K monthly revenue (49% IAP / 51% ads). Store metadata: updated Oct 10, 2025.

Recent activity: 73 installs this week (265 over 4 weeks) showing steady growth View trends →

Store info: Last updated on Google Play on Oct 10, 2025 .

SDKs, Trackers & Permissions

App not yet scanned for SDKs.

App Details

Store ID: dev.tuantv.android.securenote

First Released: 2021-07-11

Store Last Updated: 2025-10-10

In-App Purchases: Yes

Ads: Yes

Website: tuantvdev.github.io

App Store

Crawl Status: Success

AppGoblin First Crawled: 2023-10-17

AppGoblin Last Crawled: 2026-05-12

Ads & App-Ads.txt

Ads.txt Last Crawled: 2025-10-14

Ads.txt Crawl Status: Success

AppGoblin SDK Scans

App not yet analyzed for SDKs.

The download and scan process is automated but can require manual troubleshooting. Feel free to reach out if your request does not complete in 24hrs or if you have any questions.

4.2★

Ratings: 64

5★

4★

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1★

Screenshots

App Description

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

Note Locker allows you to create & edit notes that are protected by Password, PIN or Pattern lock.

Features:
★ Simple and safe to use
★ No unnecessary permissions
★ Use Advanced Encryption Standard to encrypt notes with password
★ Advanced security settings:
- Prevent uninstalling Note Locker by activating its device admin

If you have any problems or suggestions, please contact me at thesimpleapps.dev@gmail.com