What can I buy in the Shop?
The Shop offers several items purchasable with gems: Streak Freeze (protects your streak for one missed day), Streak Freeze 2-Pack (a bundle of two streak freezes), Streak Repair (restores a broken streak), XP Boost 15 min (doubles your XP earnings for 15 minutes), and XP Boost 30 min (doubles your XP earnings for 30 minutes).