What is Reddit's opinion of
SuperMemo?
From 3.5 billion Reddit comments
1 review of this app found across Reddit:
3 points
·
19th Sep 2015
If you are serious about this - http://www.supermemo.eu/polski_bez_problemu - the series is really good. Also, Duolingo is opening the Polish course soonish, although their courses are only good as a refresher.