Note Locker - Protect notes
Note Locker - Protect notes Summary
Note Locker - Protect notes is a free, ad-supported, with in-app purchases Android app in Tools by The Simple Apps. Released in Jul 2021 (5 years ago). It has about 16K+ installs and 64 ratings with a 4.10ā (good) average. Based on AppGoblin estimates, it reaches roughly 533 monthly active users and generates around $<10K monthly revenue (37% IAP / 63% ads). Store last updated Oct 10, 2025
Recent activity: 23 installs this week (79 over 4 weeks) showing declining growth View trends ā
Note Locker - Protect notes SDKs Summary
App not yet scanned for SDKs.
4.1ā
Ratings: 64
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:
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Simple and safe to use
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No unnecessary permissions
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Use Advanced Encryption Standard to encrypt notes with password
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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