Could you say a bit about how the sync happens and how/where the data is stored?
Unrelated, you probably don't want to be selling 'lifetime premium' anything, even when it's not clear what that means at an early stage. It's a small and low-priced thing as it is, painting yourself into a 'lifetime' corner with potential customers is not worth the certain future hassle and misunderstandings.
Unrelated, you probably don't want to be selling 'lifetime premium' anything, even when it's not clear what that means at an early stage. It's a small and low-priced thing as it is, painting yourself into a 'lifetime' corner with potential customers is not worth the certain future hassle and misunderstandings.