An application for managing encrypted notes. The user can create and update notes that are encrypted on the permament storage to protect the information if the device is stolen.

It also features encryption/decryption of files and secure delete of files

This application can be purchased from Android market

NOTE: Read the license carefully before buying the application. If you buy the application, no refund will be payed if you do not accept the license agreement!

A free version for Java SE (Swing) compliant devices can be downloaded from here. This is an executable jar-file which needs JRE 1.6 or later to work.

Key Features

  • 128 bit AES encryption
  • Notes are always encrypted unless it is selected for edit
  • Sensitive data are always erased from memory when not in use
  • Password is stored on disk using the SHA-256 hash algorithm (not the same hash as crypto key)
  • Crypto key or plain text data is never stored on permanent media, not even when app goes into sleep mode or restarts due to device orientation change.
  • Encryption/Decryption of files
  • Safe delete of files by overwriting the file with random data several times before delete *
  • Backup/Restore functionality *
  • Synchronization between a backup file and current notes *

  • * Requires the free program OI File Manager which can be downloaded from Android Market.



    For support or bug reports, send an email to

    The first time you open the application, you will be prompted to accept the license. If you do not accept the license, you will not be able to use the application.

    Note that no refund will be given if you do not accept the license after purchasing the application.

    User's guide

    Click here to download or open the User's guide. The User's guide is a PDF document and requires Adobe Reader.