Kotono: Learn Japanese

Kotono is a complete Japanese learning app for JLPT N5 to N1 — built around short daily lessons, spaced review that adapts to what you keep forgetting, and a private on-device AI coach that explains anything you ask. — LEARN — • 130+ structured lessons covering JLPT N5 → N1 • Grammar, vocabulary, listening, reading and writing — all in one place • Cultural notes woven into the lessons • Kana and kanji reference with memory hooks and worked examples • Verb conjugation charts you can scrub through by form — DAILY REVIEW — • A single, focused session each day, generated for you • Spaced repetition that surfaces what's slipping, not what's already solid • Mixed item types: vocab recall, fill-the-gap, particle drills, sentence builders, listening, speaking • 250 particle questions and 250 sentence patterns spanning N5–N1, scoped to your level — AI COACH — • On-device AI summarises your last seven days — what's improving, what's wobbling • Suggestions tailored to what your data actually shows • Free-form AI tutor for the questions textbooks don't answer • Private by design: all model inference happens on your device, your data never leaves it — PRACTICE TOOLS — • Flashcards drawn from your saved words • Hiragana, katakana and kanji charts with mnemonics • Pronunciation practice using your device's best TTS voice • Dictation drills • Graded reading with built-in vocabulary support • Menu decoder for when you're hungry in Japan — WHO IT'S FOR — Whether you're just learning hiragana, prepping for the JLPT, or trying to keep the language alive after a stay in Japan, Kotono gives you a clear daily path, a way to measure how you're really doing, and a tutor in your pocket. No streaks designed to guilt you. No ads. No subscriptions hidden behind every feature. Just a serious tool for getting better at Japanese.