Uninstalling from MAC OS-X
Uninstalling from macOS
Open Terminal.
Run: sudo /Applications/RistoManager/uninstall.sh
Enter the administrator password.
Wait for completion.
Manual Removal
If the script is not available:
Drag RistoManager from the Applications folder to the Trash.
Delete the folder: ~/Library/Containers/com.arkosoft.ristomanager/
Empty the Trash.