Just to add, it's the same updater and the same download for all versions. It's just the key you enter the first time you run the program that unlocks the different features.
Once you have a key, it continues to work forever. But once you're unsubscribed the the Patreon, you lose access to the post that shows the key. So write it down, in case you get a new computer and want to re-install it. Better yet, email it to yourself.