Finding words, reviewing them, all in one app. Most of it's free.

Flip through cards and add the ones you like to a deck. The easy way to run into new words every day.

Type a word and AI lays out the meaning, examples, and audio at once. Or take a photo of a page or subtitle and pick out the words you want.

FSRS spaced repetition brings each word back as you're about to forget. It's for keeping words, not cramming them.

TOEIC, JLPT, HSK, TOPIK, DELE, DELF, Goethe, CILS. We put the major exams' wordlists into decks. See which exams on the Exams page.

Daily quests, streaks, a weekly friends ranking. With Moa around, it just becomes a habit.

Spend the shells you earn on profile backgrounds and characters. One more reason to open the app.

Your calendar streak, how well each word stuck, and your accuracy, all in one view. Weak words get tracked for you.

Make decks by topic or language, and review them all at once or one at a time. You can grab someone else's deck and start right away, too.
Male and female AI voices in 8 languages via Azure Neural, with IPA and reading guides.
Add friends, share decks, and compare streaks and accuracy together.
Download decks made by other learners and study right away. Browse what's popular.
A gentle nudge before you forget. Set the time and how often.
Export decks to PDF and review offline. (Premium)
System-following dark mode and adjustable text size for comfort.