Pauk is an electronic Flashcard learning System with 6 Levels. You can use Pauk for all subjects which require factual based knowledge, for all levels of complexity. Pauk offers various learing modes like SpacedRepetition, Kickstart, ExamMode etc.
Kanji Koohii Alternatives
Kanji Koohii is described as 'Study the Japanese characters with James Heisig's "Remembering the Kanji" method, and review with kanji flashcards' and is a language learning tool in the education & reference category. There are more than 50 alternatives to Kanji Koohii, not only websites but also apps for a variety of platforms, including iPhone, Android, iPad and Android Tablet apps. The best Kanji Koohii alternative is Anki, which is both free and Open Source. Other great sites and apps similar to Kanji Koohii are Duolingo, RemNote, Memrise and Busuu.