SimpleumSafe for Mac is available at Apple Mac App Store and as a Download-Version with License-Code.
What are the differences?
Here is a table with the actual differences. These differences can change over time and will be updated here.
One reason for the differences is, that Apps in the Mac App Store have to use the Sandbox model. The Sandbox increases the security on the one hand but also restricts the possibilities on the other hand (like creating a PDF printer automatically).