The Safe password is the only way to open your Safe. Without the Safe password you cannot open the Safe.
There is a possibility to create a recovery password. For the creation of a recovery password you need the Safe password. The recovery password is similar to a second key for a physical safe. The recovery password should be written down or be printed and you should store it at a secure location.
Without the Safe password and without a recovery password there is no way to access your Safe anymore. Simpleum Media GmbH or even the employees are even not able to recover your Safe.
Learn how to create a recovery password for Mac.
Learn how to create a recovery password for iOS.