Aww thanks <3 The current plan is to release for free while it's so early on in development, then at some point as it matures that may change.
Viewing post in [18+] The Restoration of Aphrodisia comments
There's no content difference between patreon backer and free right now aside from the Patreon build having the dev console be enabled. There will most likely be body part absorption and clothing transformations in the future in various side quests, and they will be able to be disabled through disabling those content theme tags.