About this app

☆Please use it for managing notes, IDs, passwords that you do not want anyone to see☆

☆Lock your important notepad and store it☆

☆You can set your own password☆

☆Simple and light notepad with password lock function☆

☆The password lock function can be turned ON/OFF☆

☆You can unlock with fingerprint authentication (biometric authentication) registered in your terminal☆

☆Notes are automatically saved even if you close the app while editing☆

☆You can management your notes by folders and colors☆

☆Upgrade to new phone at ease by backup & restore function☆


The initial password is '' 0000'' .
Please change from the setting screen.
There is no remedy if you forget your password , sorry!
* We will respond individually only if we can prove that you are the person.


Supports double lock!
At startup → Startup password (with ON / OFF switching)
When migrating to note contents → Separate password (with ON / OFF switching in edit screen)


Supports biometric authentication!
You can switch ON / OFF from the setting screen, and you can unlock the password lock with the fingerprint authentication registered in your terminal.
* Cannot be used if the device does not have an authentication function.


A cancel button has been added to the memo edit screen!
If you accidentally erase all the contents of a notes, you can exit without saving.


The following functions have been added or changed in the moderate renewal of ver5.0.0!
* You can display a time stamp (updated date) on notes list (possible ON/OFF).
* You can sort your notes by update date or title. Please change on the setting screen. (Custom order added from version 5.2.0)


Add Backup & restore function!
You can backup or restore at any time if you want.
When creating a backup file, all the notes in this app are encrypted at once, so anyone cannot check your notes with an external app!
* Various setting data such as passwords are not backed up.
* Please note that if there is a note with the same file name during restoration, it will be overwritten.


Add user data to Backup & Restore!
Apart from notes, you can back up and restore lock, sort order, color coding, and folders.
* Please note that the lock, order, color coding, and folders will be reset when restoring.


Started subscribing!
I started a subscription with the following functions added for 100JPY/ month.
· Ad Free-All ads will be hidden.
-Unlimited folders-There is no limit on the number of folders that can be created.
・ Increased accent color-You can choose from 16 colors.
・Trash expansion-You can select the number of storage days(1 to 30 days), and can store up to 100 items
* Purchase is made on Google Play and linked to your Google account.
* In principle, there is no refund, so purchases are made on a monthly basis.


You can now paste images into your notes!
You can select an image by tapping the image icon on notes edit screen.
The image is only displayed when viewing notes.

Add functions to the requests of users!
★ You can request a password auth when the app returns from the background!
* The function is turned off at the time of installation. It can be changed from the setting screen.

★ You can sort of the notes as you like!
* After changing the "Sort order" on the setting screen to "Custom", you can move it by long-pressing the note on the list.

★ You can change the font size on some pages!
* Currently, you can change only the note viewing and editing pages. As a general rule, it shall be based on the terminal settings.

★ Add color-coded and folder-coded functions!
* You can create up to 5 folders, and select accent-color from 9 colors.

★ Some HTML tags are supported!
* Can be decorated with h tags, font tags, img tags, etc.

email: mukku.engineering.inc@gmail.com
Twitter: https://twitter.com/Keymemo_MEI
YouTube: https://www.youtube.com/watch?v=h-3SN_LLvyk

New features

6.3.0
・Add trash function
6.4.0
・Add notification function
6.6.0
・The backup & restore function has been renewed
7.0.0
・Allows you to paste images
7.1.0
・Support for multiple selection of notes
7.2.0
・Add special accent colors
8.0.0
・Add a theme switching function
8.0.2
・Bug fixes
8.1.0
・Add some theme
8.2.0
・Add update information
・Abolition of full-screen ads
8.3.0
・Addition of email address registration function for password reset
8.3.1
・Minor adjustments to the password reset function

App Permissions

Allows applications to open network sockets.
Allows applications to access information about networks.
Allows an application to write to external storage.
Allows an app to use fingerprint hardware.
Allows using PowerManager WakeLocks to keep processor from sleeping or screen from dimming.
Allows an application to read from external storage.