FEATURED BY ENGINEERS & EDUCATORS
Master LeetCode with
Smart Review System
Stop forgetting solutions. Our system plans your review rhythm so problems stay in your long-term memory.
Your Personal Review Coach for Every LeetCode Problem
Keep track of the problems you've solved. We'll bring them back just before you forget, so your practice actually sticks. No more relearning the same questions again and again.
HOW IT WORKS
NOW LIVE ON IOS
Live on the App Store. Same account and data as the web—continue your review queue anytime, anywhere.
Download the app
Install from the App Store and sign in with your existing account — your problems and schedule sync instantly.
Stay on rhythm
Opt in to daily review reminders and a weekly recap that summarizes last week’s progress and what’s due next.
LOVED BY USERS
What our users are saying
非常好用！再也不用担心刷 Hot 100 过完就忘。
Simple and effective. I just open it daily and review whatever pops up.
Finally stopped re-solving the same Blind 75 problems. Stuff actually sticks now.
Start your review today
Stop forgetting solutions. Keep every problem you solve in your long-term memory.
Get Started