AI-Powered Tech Interview Note TakingCapture Once. Review Everywhere.
Chrome Extension + Mobile beta
Join the wait list
Drop your email to get early access to the AI-powered Chrome extension and iOS/Android drill apps. We’ll invite waitlisters first.
one-click to save your notes for DSA, turn System Design, or Behavioral questions into spaced-repetition cards by our AI flashcard generator.
AI handles the summarizing and card writing so you focus on practicing.
Capture DSA, System Design & Behavioral notes instantly
Access your notes anywhere, on any device
Practice anywhere with spaced repetition
Auto-convert highlighted notes into ready-to-review flashcards.
Section
Browser Extension
Save Solutions in One Click
Seamlessly integrates with LeetCode to capture everything you need for effective review later.
Instant Capture
Captures problem title, URL, difficulty, tags, full statement, your solution code, and optional notes directly from the LeetCode page with a preview before submission.
Secure API Integration
Use your personal API key to authenticate. All saves are securely stored and tied to your account, ensuring your solutions remain private and accessible.
Smart Feedback
Get immediate confirmation on successful saves, clear error messages for network issues, and prompts to reauthenticate when your API key expires or is invalid.
Data Isolation
Prevents duplicate saves for the same problem and enforces per-user data isolation. Your API key can only access your own captures, keeping your data secure.
Section
Mobile Review App
Review Smarter, Remember Longer
Transform your saved solutions into a powerful spaced repetition learning system.
Spaced Repetition Engine
Built on SuperMemo SM-2 algorithm, our FSR system ensures you review problems at optimal intervals for maximum retention and long-term memory.
Offline-First Design
All your solutions and review sessions are stored locally in AsyncStorage. Review anywhere, anytime, with optional cloud sync for backup and cross-device access.
Daily Progress Tracking
Home dashboard shows your streak, daily goals, quick stats, and "continue review" cards. Stay motivated with progress insights and helpful tips.
Curated Problem Lists
Access Grind 75, Blind 75, NeetCode 100, and Hot 100 lists. Browse your solved problems or create custom lists for focused practice.
Seamless Authentication
Email/OTP registration and login powered by Firebase. Includes onboarding, profile setup, resend flows, and offline tolerance for uninterrupted review.
Cross-Platform Native
Built with React Native and Expo for smooth performance on both iOS and Android. Native mobile experience optimized for on-the-go learning.
Key Screens & Features
Everything you need for effective spaced repetition learning
Review Mode
Practice with spaced repetition. Rate your recall, and the algorithm schedules the next review automatically.
Solutions List
Browse all your saved problems, filter by difficulty or tags, and jump into any solution instantly.
Progress Dashboard
Track your streaks, daily goals, and overall stats. See motivational tips to keep you going.
My Notes
Access your personal notes for each problem, helping you remember key insights and approaches.
The Science Behind LeetStack
Research shows that spaced repetition is one of the most effective learning techniques. By reviewing at optimal intervals, you move knowledge from short-term to long-term memory—transforming cramming into mastery.
Remember solutions months later without re-solving
Focus time on what you're actually forgetting
Build lasting problem-solving muscle memory
Powered by SuperMemo SM-2 algorithm: Our FSR (Flexible Spaced Repetition) engine automatically calculates the perfect time to review each question based on your performance, ensuring maximum efficiency and retention.
Ready to Ace Your
Next Tech Interview?
Start saving your interview prep notes today. One click to capture, cloud sync to access anywhere, and mobile review to master everything.