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Android Apps > Tools > Lock Notes App & Password Memo
Lock Notes App & Password Memo icon

Lock Notes App & Password Memo

8.5.4
むっく企画
4.29
1,011 reviews
50,000+
Downloads
Free

Secure notes with lock. Password memo app with biometric login.

Lock Notes App & Password Memo Screenshot 1 of 5
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Lock Notes App & Password Memo Screenshot 3 of 5
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Lock Notes App & Password Memo Screenshot 5 of 5
Screenshots by むっく企画, from the Google Play listing
View on Google Play

AppBrain's verdict

EstablishedWell rated
Rating on Google Play
4.29
1,011 ratings
Installs
65 thousand
Last updated
April 26, 2026
Ads
Contains ads
Size
9.02 MB

Lock Notes App & Password Memo has 65 thousand installs. Users rate it well: 4.3 stars from 1,011 ratings.

Official page on Google Play

User feedback

Ratings and reviews on Google Play

Comments on Lock Notes App & Password Memo for Android

★★★★★ philster phildill · Sep 8, 2022
The best app ever please fix it he keeps asking current password with the app which I don't have and please reset your crate password your app haves issues
★★★★★ Назар Онишко · Dec 4, 2022
Amazing app, it is simple to use. Now I need to remember only a password to this app and here you go, all the rest secret info is here.
★★★★★ Aero Tesfagabir · Apr 29, 2022
A nice little notebook that just wraps everything you got into an app. Pretty useful
★☆☆☆☆ DREAM · Jun 30, 2023
Omg 👁️👄👁️ help I'm just 8 years old I don't know how to use it😅 ⱧɆⱠ₱

Google Play Rating history and histogram

650
120
180
0
59

Store listing

By むっく企画, from Google Play
Description by むっく企画 Written by the developer, not by AppBrain. Click to read.
【Secure Memo App – Notes, Password Manager & Lock Notepad】

☆ A free and secure memo app for managing private notes, passwords, and IDs
☆ Can also be used as a simple and easy notepad app
☆ Lock important memos with a password
☆ Set your own custom password
☆ Lightweight and simple secure notes app with lock feature
☆ Enable or disable lock anytime
☆ Supports biometric authentication (fingerprint, face, iris)
☆ Auto-save ensures your notes are never lost
☆ Deleted memos are safely stored in the trash bin
☆ Organize notes with folders and color labels
☆ Freely sort and rearrange memos
☆ Insert images into notes
☆ Supports HTML tags for advanced formatting
☆ Backup & restore for easy device transfer
☆ Customize themes and appearance

The initial password is "0000".
Please change it in settings.
If you forget your password, there is no recovery option.
※ Support may be provided only if identity can be verified.

【Perfect For Users Who】

☆ Want a simple and easy memo app
☆ Need a secure note app with password protection
☆ Want to store private information safely
☆ Prefer biometric login (fingerprint, face unlock, iris)
☆ Want to organize notes with folders and colors
☆ Need flexible sorting and note management
☆ Want to insert images into notes
☆ Need HTML support
☆ Want to change text encoding
☆ Prefer customizable themes

Dual Lock Security

・App Launch → Startup password (ON/OFF)
・Memo Access → Individual memo password (ON/OFF)
※ Separate passwords can be set
※ Default is "0000"

Biometric Authentication

Supports fingerprint, face unlock, and other biometric methods.
※ Not available on unsupported devices.

Easy Note Sharing

Share memos as text with other apps or receive text.
※ Encoding settings (default UTF-8) help prevent text corruption

Key Features

✔ Show timestamps (last updated)
✔ Sort by date, title, or custom order (drag & drop)
✔ Encrypted backup & restore
✔ Lock individual memos
✔ Trash bin for deleted notes
✔ Inline image display
✔ Theme customization

New Features

★ Lock required when returning from background
★ Drag & drop memo sorting
★ Restore scroll position
★ Adjustable text size
★ Folder & color organization
★ Quick jump with volume buttons
★ HTML tag support (h, font, img, etc.)

🔑 KEY Memo Membership

Unlock premium features with subscription.

Benefits:
・No ads
・Unlimited folders
・16 accent colors
・Extended trash storage (up to 30 days / 100 items)
・Cloud backup & transfer
・Search memos by title or content
・Exclusive themes

Recent changes:
8.4.0
・Add themes
・Various library updates
8.4.1
・Bug fixes
8.4.2
・Bug fixes
8.5.0
・Updated various libraries
・Added option to toggle auto-link on/off
・Slightly adjusted the layout of the memo viewing screen
8.5.1
・Bug fixes
8.5.2
・Bug fixes
8.5.3
・Bug fixes
8.5.4
・Bug fixes

Safety and technology

Found in the app by AppBrain
Ads
Contains ads
Price
Free
Libraries
15
App size
9.02 MB
Needs Android
6.0+
Content rating
Everyone

Technologies used by Lock Notes App & Password Memo

17 permissions · 15 libraries
Subscribe to see full permission and library details

Releases

Updates seen on Google Play
Version
8.5.4
Launched
September 2017
  • Apr 26, 2026UpdateVersion 8.5.4
  • Feb 28, 2026UpdateVersion 8.5.3
  • Aug 26, 2025UpdateVersion 8.5.2
  • Aug 25, 2025UpdateVersion 8.5.1
  • May 24, 2025UpdateVersion 8.4.2
Show all changes Show fewer

Alternatives

Similar apps and more from むっく企画

Alternatives to Lock Notes App & Password Memo

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Safe Notes - Official app icon Safe Notes - Official app
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Notepad - simple notes icon Notepad - simple notes
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LockNote: Secure Private Notes icon LockNote: Secure Private Notes
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LockScreen Memo icon LockScreen Memo
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Installs

Tracked by AppBrain
Last 30 days
690
Per day
23
30-day average
Play install range
50+ thousand
Launched
September 2017

Installs over time

Lock Notes App & Password Memo has been installed 65 thousand times. Over the past 30 days, it averaged 23 installs per day.

Rankings

Google Play top charts

Google Play Rankings for Lock Notes App & Password Memo

This app is not ranked

About the app and developer

About Lock Notes App & Password Memo

Lock Notes App & Password Memo is a tools app developed by むっく企画.

Install Statistics

Lock Notes App & Password Memo has been downloaded 65 thousand times. In the last 30 days, the app was downloaded 690 times.

User Ratings

Lock Notes App & Password Memo is rated 4.29 out of 5 stars. The rating is based on 1 thousand ratings.

App Information

Lock Notes App & Password Memo is freely available from Google Play. The APK size is 9.02 MB. The latest APK version available is 8.5.4. The last update was on April 26, 2026.

Technical Requirements

Lock Notes App & Password Memo requires Android 6.0+ or higher. The app has a content rating of Everyone. The app has been available on Google Play since September 2017.

Lock Notes App & Password Memo is made and published by むっく企画. AppBrain is an independent app data site and isn't affiliated with むっく企画. The app name, icon, screenshots and description belong to むっく企画 and are shown as published on Google Play.

App Performance Report

Get a detailed PDF report for Lock Notes App & Password Memo with download trends, rating history, and key performance statistics — useful for competitive research or tracking your own app. Learn more

Get PDF Report — $29

Developer information for むっく企画

むっく企画

mukku.engineering.inc@gmail.com

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Frequently asked questions about Lock Notes App & Password Memo

Is Lock Notes App & Password Memo free?

Yes. Lock Notes App & Password Memo is free on Google Play.

Is Lock Notes App & Password Memo still available?

Yes. Lock Notes App & Password Memo is on Google Play, and the last update we saw was on April 26, 2026.

Does Lock Notes App & Password Memo contain ads?

Yes. Google Play lists Lock Notes App & Password Memo as containing ads.

What Android version does Lock Notes App & Password Memo require?

Lock Notes App & Password Memo runs on Android 6.0 and higher.

How large is Lock Notes App & Password Memo?

Lock Notes App & Password Memo is 9.02 MB.

Is Lock Notes App & Password Memo suitable for children?

Google Play rates the content of Lock Notes App & Password Memo as suitable for everyone.

How many times has Lock Notes App & Password Memo been installed?

Google Play lists 50,000+ installs for Lock Notes App & Password Memo.

How do people rate Lock Notes App & Password Memo?

Lock Notes App & Password Memo scores 4.29 out of 5 stars, from 1,011 ratings on Google Play.

Who made Lock Notes App & Password Memo?

Lock Notes App & Password Memo was developed by むっく企画. It is listed in the tools category on Google Play.

What are the best alternatives to Lock Notes App & Password Memo?

People looking at Lock Notes App & Password Memo also look at these tools apps: Secure Notes Lock - Notepad - , Notepad – Notes, Memo & Tasks, All Notes - notepad, notebook, RainbowPad: Private Notepad, Safe Notes - Official app.

Share Lock Notes App & Password Memo

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Safe Notes - Official app icon Safe Notes - Official app
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Overview Alternatives History Reviews Rankings Technology
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