Question 1

Is Zen Kana free to use?

Accepted Answer

The web app is free. The iOS app is available on the App Store — check the listing for current pricing.

Question 2

Which platforms does Zen Kana support?

Accepted Answer

Native iOS app and a browser web app. Both share the same content and learning approach.

Question 3

What does Unified Learning Mode include?

Accepted Answer

Unified Learning Mode brings together kana, vocabulary, grammar lessons, and reading passages in one flow. You get guided introduction cards before any testing begins — so you're never tested on something you haven't seen.

Question 4

How does spaced repetition work?

Accepted Answer

Items are scheduled using the SM-2 algorithm. After each answer, the interval to the next review is adjusted based on difficulty. Harder items come back sooner.

Question 5

Can I resume a session I left mid-way?

Accepted Answer

Yes — sessions are automatically saved after each answer. When you return, you'll be prompted to resume or start fresh.

Question 6

What JLPT levels are covered?

Accepted Answer

N5 through N1 — 5,986 vocabulary words plus grammar structures, organized into thematic groups.

Question 7

Does it work offline?

Accepted Answer

The iOS app supports offline practice. The web app requires a connection for initial load but can continue sessions locally.

Question 8

How do I reset my progress?

Accepted Answer

You can clear individual item stats or full sessions from the Settings screen in the app.

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