Learn Once. Remember forever
Sonsennim (inspired by the Korean word for teacher) uses spaced repetition to schedule your reviews automatically — so you remember more with less effort. Create flashcards, track your progress, and let the system decide the perfect moment to revisit knowledge.
Mobile
Windows
MacOS
Linux
안녀하세요!Hello!
How are you? 🤔
사랑해요 🧡
만나서 반갑습니다! 😊
Features
Configure your cards
and watch your learning reports!
and watch your learning reports!
FSRS — A Smarter Way to Learn
Sonsennim uses FSRS (Free Spaced Repetition Scheduler) — one of the most advanced learning algorithms available today.
Fully personalized
adapts to your memory, not averages
Up to 40%
fewer reviews for the same results
Choose your path
Free$0/mFree forever
- Basic analytics information
- Comfortable groups sturcturing
- Up to 10.000 cards
- SM-2 Algorithm
Premium$9.89/mBilled monthly
- All from free tier
- FSRS Algorithm
- Full learning cards history
- Unlimited decks & cards
AI-driven$18.89/mBilled monthly
- All from premium tier
- AI tools to optimize your learning experience
