An average Palm OS user can benefit from the advanced security of MisterLock, because in the event that their device is lost or stolen their data will be protected. Also, the ability to provide a short text message to be displayed on the keypad form allows a user to provide contact information in case the device is found by someone who is willing to return it.

A corporate IS department can also benefit from the advanced security of MisterLock. When deploying Palm OS devices, the IS department can configure them with MisterLock and set a Master Key; this will prevent even the end user from modifying the MisterLock configuration.