Cleo: Japanese that Sticks
Japanese flashcards with audio
About
Master Japanese vocabulary and kanji with an intelligent spaced repetition system. Review cards just before you forget them, with natural audio and hands-free playback options. Study curated decks or create your own for efficient, daily learning.
What's New in Cleo
1.1.0
August 21, 2026
What's New - Import decks from CSV, TSV, or Anki files - Search all your decks and jump straight to any card - Edit cards during review without losing your place - Swipe to delete decks and cards - Smarter audio loops — focus on words you've studied, with tougher words repeating more often - Re-adding a word now updates the existing card - Fixes and performance improvements
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FAQ
What is Cleo's learning method?
Cleo uses spaced repetition, a scientifically proven method that shows you cards right before you're likely to forget them. This optimizes study time by focusing on what you need to learn.
Does Cleo offer pre-made study decks?
Yes, Cleo provides curated decks for JLPT levels N5 through N1, covering both vocabulary and kanji. You can also create your own custom decks.
Can I listen to Cleo lessons hands-free?
Absolutely. Cleo features natural Japanese audio on every card and allows for hands-free audio loops. Playback continues in the background and on the lock screen.
Is Cleo available on multiple devices?
Yes, Cleo supports syncing your progress across all your devices, ensuring a consistent learning experience wherever you are.
What is Cleo's age rating?
Cleo is rated 4+ by Apple, making it suitable for learners of all ages.
How often is Cleo updated?
The latest version, 1.1.0, was released on August 21, 2026, indicating active development and regular updates.
Does Cleo have ads?
No, Cleo is ad-free, allowing for an uninterrupted learning experience.
What devices does Cleo support?
Cleo is available on iPhone, iPad, and iPod, offering broad compatibility within the Apple ecosystem.