Onomanabi helps Japanese learners move beyond dictionary definitions: 1,500+ words, each animated to show how it feels, plus similar-word comparisons, level-based lessons, quizzes, SRS review, and native-perspective notes. Try the first two levels free; a one-time purchase unlocks everything - no subscription - across iOS, Android, and Web.

Hi Product Hunt — I'm the solo maker behind Onomanabi.

I built Onomanabi because Japanese onomatopoeia often becomes much harder at the exact moment a dictionary translation stops being enough. Similar words can point in the same general direction while feeling different in intensity, rhythm, mood, or situation.

Onomanabi brings that nuance into one learning flow:

- 1,500+ words across six levels
- A furigana-aware dictionary
- Animated word details
- Similar-word comparison
- Four-choice quizzes and SRS review
- Native-perspective notes
- Japanese and English UI

The first two levels are free. Premium is a single one-time purchase — no subscription — and unlocks the higher levels plus comparison mode. You can also purchase as a guest and unlock the device immediately; an account adds entitlement and progress sync across iOS, Android, and Web.

I'd especially value feedback from Japanese learners and teachers: which pair of similar words has been hardest to understand, and does seeing the words move make the distinction clearer?

Thanks for taking a look. I'll be here throughout the launch to answer questions and learn from the discussion.

For anyone who wants the longer story — why one-word translations fail for these words, and a scene-first way to actually study them — I wrote it up here: https://takelaben.substack.com/p/beyond-bang-and-boom-how-japanese

Onomanabi

Learn the feeling behind 1,500+ Japanese onomatopoeia

Learn the feeling behind 1,500+ Japanese onomatopoeia