Learn Japanese.And make it stick.
Inku helps you remember kana, vocabulary, and useful phrases with ready-made cards, clear audio, and calm spaced repetition.
- 2,701
- vocabulary cards
- 436
- useful phrases
- 6,000+
- audio clips
- 429
- kanji
Inside Inku
The whole study loop.Already in your pocket.
Start with a ready-made path, save what you discover, and see your Japanese grow without building a study system first.
Daily review
Learn Japanese.
Focused cards, clear audio, and a review stack that knows when to return.
Full library
Find your next word.
Browse the card library, save what matters, and keep useful Japanese close.
Useful practice
Study real life.
Food, travel, greetings, shopping, commuting, and more are ready to practice.
Kana
Read the basics.
Work through hiragana and katakana one clear row at a time.
Kanji
Build character by character.
Short lessons and focused practice make kanji feel finite.
Saved cards
Keep words you meet.
Create a personal flashcard and bring it back into your review flow.
JLPT vocabulary
Move from N5 to N1.
A clear path from beginner vocabulary to advanced Japanese.
Progress
See what is sticking.
Review history, mastery, and streaks show the work adding up.
A calmer study rhythm
Less time managing cards.More time remembering them.
Open Inku and your next step is already clear. Study a little, stop when you are done, and come back when the cards are ready.
Start with what matters.
Learn kana, work through JLPT vocabulary, or pick a practical deck for food, travel, and daily life.
Give each card your full attention.
See the Japanese first, listen to clear audio, then reveal the answer when you are ready.
Return at the right moment.
Hard cards come back sooner. Easy cards wait longer. Your review stays focused without streak pressure.
Inside the real app
Japanese for the life you want to live.
Build your foundation with kana, move through JLPT vocabulary, and keep practical words for food, travel, shopping, and everyday conversations close at hand.
Designed to stay out of your way
Everything you need. Nothing noisy.
No points to chase. No noisy map. No account wall before your first card. Just a focused place to learn and remember.
Ready from the first card
Kana, JLPT vocabulary, useful phrases, and 6,000 audio clips are already organized for you.
Review that adapts
Hard cards return sooner and easy cards wait longer, without exposing the scheduling machinery.
Private by default
No account and no ad profile. Your learning progress stays on your device.
Good to know
Answers before you start.
Do I need an account?
No. Inku does not ask for your email or require a learning account. Your progress stays on your iPhone.
What level of Japanese does Inku cover?
Inku covers 208 kana, 2,701 vocabulary cards across JLPT N5 through N1 and topic decks, 429 kanji, and 436 phrases in three packs. It is built for steady study from beginner foundations through advanced JLPT vocabulary.
What does Inku Pro cost?
Inku Pro is $49.99 / year or $3.99 / week, with a 7-day trial on the yearly plan, billed through Apple In-App Purchase.
What about Android?
Android is not available yet. Download the iPhone app from the App Store.