The Windows Phone app which has gone free next as myAppFree app of the day for limited time is KeyRing Pro.This is the extended edition of KeyRing which keep your private offline password safe.
Now you can take advantage of all the possibilities of KeyRing and still back up your data on your PC
KeyRing Pro Detalis:
KeyRing Pro manages your passwords. Just remember one password and copy all other passwords from your collection into apps, websites and email clients!
The passwords are stored encrypted and can only be decrypted on your device.KeyRing Pro can write a NFC tag to start the app and containing the access password in encrypted form. You should never again need to enter the password.
This app takes no contact with the outside world (except NFC) and requires NO data connection.
Enhancements over KeyRing are:
* New data fields for credit cards, bank accounts and addresses.
* There is a function to generate a new password.
* The data can be stored in an encrypted backup file in a selectable folder and then copied via USB to the PC. The file can then be copied to another phone or stored for backup.