IMO, release a version that doesn't do as much. Don't include the account system, and the local encryption.
I've shown it to a few friends and they said they would pay, even if it was open source.
I've shown it to a few friends and they said they would pay, even if it was open source.
I would trust you to use the same code in both places because I'd be paying you so I guess there'd be some sort of accountability?