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Tsugi
Japanese flashcards built around real sentences, for learners who've outgrown isolated word lists. Tsugi finds the next useful thing to learn, explains it in context, and brings it back for review at the right time.
Real Japanese, One Step Ahead
Learn from complete Japanese sentences instead of isolated word lists. Tsugi keeps each new card just beyond your current level, so every review adds something useful without becoming overwhelming.
Read, Listen, Recall
Interactive furigana, native audio, and simple recall controls turn every sentence into focused reading and listening practice, with help available when you need it.
See What’s Sticking
Track review momentum, retention, active sentences, and mastery across memory tiers, so you can see your Japanese vocabulary growing over time.