Note Locker - Protect notes

Developer: The Simple Apps

Category: Tools

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14.8K installs

64 ratings

607 monthly active users

$<10K monthly revenue est.

IAP 63% · Ad 37%

Install Trends

Weekly +47

Trending

Monthly +788

Trending

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 14.8K+ installs and 64 ratings with a 4.20★ (good) average. Based on AppGoblin estimates, it reaches roughly 607 monthly active users and generates around $<10K monthly revenue (63% IAP / 37% ads). Store metadata: updated Oct 10, 2025.

Recent activity: 47 installs this week (788 over 4 weeks) showing exceptional growth , and -1 new ratings this week 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: 2026-04-13

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.

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4.2★

Ratings: 64

5★

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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