Lock Notes App & Password Memo

Lock Notes App & Password Memo

むっく企画

Available on Google Play
4.4(999)
50,000+ installsFreeTools

Updated Apr 26, 2026 · v8.5.4

CompareView on Google Play
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Secure notes with lock. Password memo app with biometric login.

【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

Released
September 12, 2017

8 years on Google Play

Version
8.5.4
Updated
Apr 26, 2026
Content Rating
Everyone
Installs
50,000+
Developer
むっく企画
Website
https://mukkuengineeringinc.com/
Email
mukku.engineering.inc@gmail.com
In-app purchases
No

This app isn't currently appearing in any tracked top charts.

Rating breakdown

5
699
4
99
3
149
2
0
1
49