Update: figured I'd try it out again with the $60 lifetime deal, and the app is still deleting my data after each session, never does this when I use the free version, asking for a refund again... 1) they keep deleting my reviews 2) after months in the app all my data/progress disappeared and they said there was nothing they could do and it just happens sometimes 3) I got a refund and cancelled my subscription, but they billed me again a year later