google.com/store/apps/details?hl=en&id=ua.syt0r.kanji
Open source app for learning hiragana, katakana and kanji through flashcards with spaced repetition system, covering over 6000 characters organized by JLPT level, school grade or Wanikani progression.
Kanji and kanaApps and toolsEducational gamesKanaHiraganaKatakanaSpaced repetitionJLPTStroke orderHandwritingAppsImmersionBeginner