Okiru is a Japanese flashcard app designed to build an unbreakable study habit, starting the second you wake up. Study whenever you want throughout the day with spaced repetition cards, or set morning alarms that require solving flashcards to turn off. By tying reviews to your daily alarm, you hit your study goals before even getting out of bed. Features custom decks, kanji/vocab practice, spaced repetition retention, and a clean, distraction-free interface.