Consistent study
Focus on quality, not check-in pressure or forced daily loops.
offline-first flashcards
Learn at your own pace.
A calm flashcard app for long-term memory. No streak anxiety. No noise. Just gentle progress that follows your rhythm.
Your weekly rhythm
Small moments, repeated gently, turn into lasting memory.
ouou
"A little every day grows into a library of memories."
The streak without the stress
Life happens
A gap means rest, not failure. Your progress waits for your return.
Always ready
Offline-first by default, so your deck is with you everywhere.
Simple pricing, no dark patterns
Borrowing the playful variant structure with clear plan choices.
Free
For casual learners
$0/forever
- Up to 5 decks
- Basic spaced repetition
- Offline study mode
Most calm
Yearly Plan
For deep long-term retention
$29/year
- Unlimited decks and cards
- Advanced rhythm insights
- Priority sync
- Custom wave themes
Monthly
Flexible commitment
$4/month
- All premium features
- Cancel anytime
- Data export included