Hi, you can mark all of the words you already know from home tab -> "the icon with two check marks" on top, next to settings. You can use the app without premi

Hi, you can mark all of the words you already know from home tab -> "the icon with two check marks" on top, next to settings. You can use the app without premium quite nicely. There is actually a bug with word lists and YouTube being locked for freemium (not my intention :D) which will get unlocked in next version.