Downloads
Secure notes with lock. Password memo app with biometric login.
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.
User feedback
Ratings and reviews on Google PlayComments on Lock Notes App & Password Memo for Android
Google Play Rating history and histogram
Store listing
By むっく企画, from Google PlayDescription by むっく企画 Written by the developer, not by AppBrain. Click to read.
☆ 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
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
Alternatives
Similar apps and more from むっく企画Alternatives to Lock Notes App & Password Memo
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 chartsGoogle Play Rankings for Lock Notes App & Password Memo
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 — $29Developer information for むっく企画
mukku.engineering.inc@gmail.com
Sign in to see the developer's website
Legal name:
Address:
Phone number:
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
Subscribe now to get full and unlimited access to AppBrain Intelligence. You'll have access to:
- App Intelligence dashboard (performance timeline, competitor comparison, country rankings, insight cards)
- Detailed ranking data per app
- Full timeline per developer
- Device market shares data per country
- Unlimited keyword tracking
AppBrain is an app data site, we track rankings, ratings, installs for all apps and games on Google Play and the App Store. AppBrain doesn't host app files or APKs, all install links go directly to the official store. All trademarks are owned by their respective owners.
More apps
App statistics