LearnYourWay.CommandEverything.
Upload any document. Type a command. Watch AI transform chaos into understanding. No setup. No courses. Just learning that actually sticks.
Trusted by thousands of learners
Numbers that speak volumes
Join thousands of students and professionals transforming how they learn
Active learners
this month
Average rating
from 2,300+ reviews
Learning sessions
completed
Completion rate
above industry avg
Learners from world-class institutions
Learning is broken. We fixed it.
See how Ritsu transforms every learning frustration into a superpower
Your knowledge is scattered everywhere
PDFs in Downloads. Videos in bookmarks. Notes in 5 apps. You spend more time searching than learning.
One place for everything
Upload any source. Ritsu extracts and organizes knowledge automatically. Find anything instantly.
Your knowledge is scattered everywhere
PDFs in Downloads. Videos in bookmarks. Notes in 5 apps. You spend more time searching than learning.
One place for everything
Upload any source. Ritsu extracts and organizes knowledge automatically. Find anything instantly.
Watching and reading isn't learning
You highlight. You take notes. A week later, you remember nothing. Passive learning doesn't work.
Active recall on demand
Type /quiz to test yourself instantly. AI generates questions from your content with spaced repetition.
Watching and reading isn't learning
You highlight. You take notes. A week later, you remember nothing. Passive learning doesn't work.
Active recall on demand
Type /quiz to test yourself instantly. AI generates questions from your content with spaced repetition.
Courses weren't built for you
Generic curricula. Fixed pacing. Irrelevant examples. You're forced into someone else's learning path.
You're in command
185+ commands give you total control. /explain, /quiz, /summary - learn YOUR way with full customization.
Courses weren't built for you
Generic curricula. Fixed pacing. Irrelevant examples. You're forced into someone else's learning path.
You're in command
185+ commands give you total control. /explain, /quiz, /summary - learn YOUR way with full customization.
Features that actually matter
Built for learners who want results. Everything you need, nothing you don't.
Upload Anything. Learn Everything.
PDFs, YouTube videos, PowerPoints, code repositories, research papers, podcasts. If it contains knowledge, Ritsu can extract it. Our AI understands context, not just text.
Drop files here
PDF, Video, PPTX, Code...
Type to Learn. Faster Than Clicking.
Forget cluttered menus. Type /quiz for instant testing. /explain for clarity. /flashcards to memorize. 185 commands that feel like superpowers.
220+ Ways to Test Your Knowledge
Multiple choice. Fill-in-the-blank. Match pairs. Sequence ordering. True/false. Our AI generates the perfect activity for every concept.
Remember Forever. Literally.
Our SM-2 algorithm schedules reviews at the perfect moment - right before you forget. What takes others 10 repetitions takes you 3.
From chaos to clarity in 60 seconds
Three simple steps to transform any content into your personal learning experience
Drop Your Sources
Drag in a PDF. Paste a YouTube link. Upload your professor's slides. Ritsu accepts 20+ formats and extracts knowledge instantly.
AI Works Its Magic
Our models analyze structure, identify key concepts, and generate a complete learning experience. Quizzes, flashcards, summaries - all created automatically.
Take Command
Type /start and begin. Use commands to navigate your learning. Quiz yourself. Get explanations. Track progress. Everything responds to YOUR pace.
Loved by 12,000+ learners
“I was drowning in 800-page textbooks. Ritsu turned my study sessions from 6 hours of highlighting to 2 hours of active learning. I scored 15 points higher on my boards.”
“I upload documentation, API specs, research papers. The /explain command is like having a senior engineer on call 24/7. I've cut my ramp-up time on new projects by half.”
“I'm 58 and learning machine learning. The spaced repetition actually works - I remember concepts I learned months ago. The commands make me feel like a power user.”
Start free. Upgrade when ready.
We believe learning should be accessible. That's why Ritsu is free forever for personal learners. Power users and teams can unlock more.
Free
Perfect for getting started
- 5 sources/month
- Core commands
- Basic analytics
- Community support
Pro
For serious learners
- Unlimited sources
- All 185 commands
- Advanced analytics
- Priority support
- Export & sharing
Team
For organizations
- Everything in Pro
- Team workspaces
- Admin controls
- SSO & compliance
- Dedicated support
Your knowledge deserves better.
Stop fighting with scattered content and forgotten concepts. Start learning with commands that actually work. Join 12,000+ learners who've already made the switch.