does what I need
great app, exactly what I was looking for. Is there a way to add a feature where you can practice writing the kanji within the app? I think that’d help with the immersion and getting familiar with the kanji :)
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About
Learn Japanese vocabulary with widgets for your Lock and Home screens. Access hiragana, katakana, and basic levels for free, with daily word updates. Unlock advanced levels and practice modes with a Pro subscription.
✓Lock and Home Screen widgets
✓Hiragana, Katakana, JLPT N5 levels free
✓Offline browsing and learning
✓Vocabulary Practice mode
✓N1-N5 vocabulary library
✓Multiple interface languages
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What's New in Kioku
1.2.2
October 28, 2026
• Added iPhone Duo support. • A refreshed native interface for browsing words, practising recall, and choosing your schedule. • Improved large-text layouts, contrast, and accessibility labels. • Six interface languages, with clear English fallback for dictionary meanings. • Fixes and refinements to Practice and Restore Purchases.
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Subscriptions & In-App Purchases
Kioku Pro Monthly
Unlock all JLPT levels and faster word rotation
$1.991 Month
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FAQ
How does Kioku help me learn Japanese?
Kioku places Japanese vocabulary directly onto your Lock and Home screens, allowing for passive learning throughout your day. You can also actively explore words and test your recall through its practice modes.
What Japanese levels are available in Kioku?
Kioku offers free access to hiragana, katakana, and JLPT N5 vocabulary. The Pro version expands this to include N4 through N1, covering over 8,000 vocabulary entries.
Can I use Kioku offline?
Yes, Kioku is designed for offline use. Your vocabulary is bundled within the app, so you can browse and learn without an internet connection.
What are the subscription options for Kioku Pro?
Kioku Pro is available through monthly or yearly subscriptions, with prices displayed within the app. A 7-day free trial is offered for the yearly plan.
Does Kioku have ads?
No, Kioku is ad-free. The description explicitly states there is no advertising within the application.
What devices does Kioku support?
Kioku is currently made for iPhone Duo, with specific optimizations for its inner and outer displays. It is available on iPhone devices.
How often is Kioku updated?
The latest version of Kioku was released on October 28, 2026, indicating regular updates. The app is generally reliable for consistent learning.
Is Kioku suitable for beginners?
Yes, Kioku is very suitable for beginners, as it starts with fundamental Japanese scripts like hiragana and katakana, and the JLPT N5 level.
