You may have purchased the Extreme Clean unlock using Memory Clean 1 and not in Memory Clean 2, so you will need to do the following to unlock it in Memory Clean 2:
1. Reinstall Memory Clean 1 (if it's not installed): https://itunes.apple.com/us/app/memory-clean-monitor-free/id451444120?mt=12
2. Restore the Extreme Clean purchase using Memory Clean 1
3. Open Memory Clean 2
4. Click the Unlock button
5. Click the 'Extras' tab
6. Click the 'Select Memory Clean 1' button
7. Locate the Memory Clean.app
8. Click the Choose button
9. The purchase should now be unlocked in Memory Clean 2
If this does not work, please contact our support.
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