Kotrin is an AI-powered app for learning Japanese, with connected lessons for speaking, listening, reading, and writing aligned to JLPT levels. Its library advertises more than 5,000 lessons from beginner to advanced. Learners can practice everyday conversations in settings such as shops and cafés, or use AI role plays for back-and-forth dialogue. The app teaches hiragana through Jōyō kanji with stroke-order and recognition practice. It builds a language profile across 1,536 dimensions and adapts difficulty, content focus, and scenarios to progress. Its AI-powered content system can create personalized lessons from a word or idea. Kotrin is available on Android, iOS, macOS, and Windows, though the app is currently available only in English. The free plan includes selected lessons, personalized learning, quizzes, and vocabulary practice, with daily practice limits. Pro options are listed at 10.00 USD per month, tax excluded; 90.00 USD per year, tax excluded; and 1650.00 JPY per month. Subscriptions renew automatically unless cancelled, and purchases are non-refundable under the stated terms.
Who it is for
Kotrin suits learners studying Japanese through JLPT-aligned lessons, conversation practice, and kana and kanji exercises. Its current English-only availability may be relevant to prospective learners.
What is good
- More than 5,000 JLPT-aligned lessons
- Practices all four language skills in connected lessons
- Includes AI conversation role plays
- Adapts difficulty, content, and scenarios to progress
- Offers lessons from hiragana through Jōyō kanji
What to know first
- Currently available only in English
- Free plan has daily practice limits
- Paid purchases are non-refundable under the stated terms
- Subscriptions auto-renew unless cancelled
Verdict
Kotrin offers structured Japanese practice with adaptive lessons, conversation role plays, and kanji exercises. Check the listed plan and currency carefully, as several Pro options are given.
Kotrin plans and pricing
All plansCompared on AI language learning apps
- Free plan
- Yes
- Adaptive lessons
- Yes
- AI conversation practice
- Yes
- Pronunciation feedback
- Yes
- Supported platforms
- iOS, Android, macOS
