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.
How ouou works
Create
Build flashcards with rich text questions and answers.
Practice
Review daily with adaptive scheduling tuned to your memory.
Master
Focus on hard cards first and improve retention over time.
Everything you need
Offline-first
Your cards stay available even without a connection.
Cloud sync
Sign in to keep decks consistent across your devices.
Tags and organization
Group cards by topic and filter quickly during review.
Markdown support
Write clear, structured answers with formatting.
Import and export
Bring data in or out with simple backup and CSV workflows. Import CSV in seconds
ChatGPT integration
Connect ouou to ChatGPT for advanced workflows. See connect guide
Pricing
Simple pricing for steady learning
No credit card to start Cancel anytime Privacy-first by design
Can I switch plans later?
Yes. You can switch at any time.
Do I lose cards if I stay on Free?
No. Your offline cards remain available.
What happens if I cancel?
Your paid features stop at period end; your cards stay with you.