Product sheet
hiisi.appStructured translation
CoreAutomatic parsing with explicit output structure.
Grammar breakdowns
CoreWord analysis, explanations, and term linking.
Spaced repetition
PracticeSM-2 review scheduling for long-term retention.
Custom decks
AuthoringUser-maintained card collections and assignment.
Deck sharing
SharingImportable shared vocabulary sets.
Starter decks
EditorialOfficial curated material for guided entry points.