Honestly L O V E this app already and I've only had it for, like, 30 minutes but there seems to be a small bug after the timer finishes. I don't know if it's intentional but the pop up that gives you coins just keeps... Popping up? I get 10 coins, I press "okay" then another pop up comes, giving me another 10 coins. It doesn't end until I have to remove the app from my history. Despite that this is an AMAZING app for studying ❤️