Pricing
Choose your plan
Three plans. Pick how deep you want to go.
Early Bird Adopter: 20% off forever, applied at checkout.
Pay yearly: 12 months for the price of 10.
StarterCrane
$0forever
Free forever · no card
Learn
- Full Japanese dictionary
- Kana (hiragana + katakana) lessons
Review
- Kumi Lattice: weakness-aware review for what you study
Community
- Kumi Social hub: @handle profile, learning brain, and leaderboards
Most popular
CoreTiger
$12.50$10/mo
Free for 7 days, then $150/yr. Cancel anytime.
- Everything in Crane, plus
Lessons & content
- Full access across kana, radicals, kanji, vocabulary, and grammar domains
Path & progress
- Learning Priority Engine (LPE) across all domains
- Mastery, analytics, and your progress in one place
Coming Soon
MasteryKirin
$37.50$30/mo
$360/yr (early adopter). billed as one payment per year
- Everything in Tiger, plus
Exams & practice
- On-demand mock exams and generated test forms (JLPT-style pacing and weighting)
- Full practice mode library: all modes, advanced and custom
AI
- Immersive AI chat that grows with you
- Generative reading articles at your KMT / JLPT level
- Explanations, coaching, and feedback through your journey
Support
- Priority help from the team that ships Kumi
We will email you as premium becomes available.
Full feature comparison
Every Kumi feature, mapped to the plan it ships on.
Kumi Social hub (@handle profile, learning brain, leaderboards)
Crane
Tiger
Kirin
Dictionary
Crane
Tiger
Kirin
Lessons: kana
Crane
Tiger
Kirin
Lessons: vocab, kanji, grammar, reading, and listening
Crane
Tiger
Kirin
Analytics
Crane
Tiger
Kirin
LPE + Kumi Lattice (weakness-aware review)
Crane
Tiger
Kirin
Practice modes and games
Crane
Tiger
Kirin
Mock exams & on-demand generated test runs (Mastery)
Crane
Tiger
Kirin
Immersive AI chat that grows with you
Crane
Tiger
Kirin
Personalized generative reading articles at your level
Crane
Tiger
Kirin
AI coaching & feedback on your answers
Crane
Tiger
Kirin
Priority support from the team
Crane
Tiger
Kirin
Billing & plans
Frequently asked questions
Subscriptions, Stripe checkout, and how Core (Tiger) compares to the Mastery (Kirin) add-on.
Can I cancel anytime?
Yes. Cancel from your billing portal whenever you need to. You keep full access through the end of the period you already paid for.
What payment methods do you accept?
Whatever Stripe offers for your region: major cards, Apple Pay, Google Pay, and other local methods where available.
What is the early adopter discount?
If you joined during early access, your subscription is 20% off for as long as you stay subscribed. Stripe applies the discount at checkout, no coupon hunt.
What is Mastery, and when does it launch?
Mastery (Kirin) is the add-on for test-style prep and generative help: you can run full mock exams in the app, use every practice mode, and get AI chat, leveled generative reading, and feedback on your work. Kumi Lattice and the rest of Core (Tiger) stay where they are; Mastery is the extra layer. Add your email on the Mastery card to be notified when checkout opens.
Can I switch between monthly and annual billing?
Yes. Open the billing portal and pick a new cadence. Stripe calculates a fair proration so you are not double charged.
Secure payments with Stripe
Checkout, renewals, and card updates are handled on Stripe's infrastructure. Kumi does not store data beyond what we need to run your subscription.