Track everything you study — coding problems, math exercises, design tutorials, language lessons, and more. The SM-2 algorithm tells you exactly when to revise, so knowledge sticks for good.
Built for learners who study a lot but forget even more.
The same algorithm behind Anki and SuperMemo. Rate your recall 1-5 stars, and the system schedules your next review at the optimal time.
Start a timer when you begin a problem. Pause, resume, and stop. Your solve time is recorded automatically — no manual entry needed.
See your progress at a glance: problems solved, difficulty breakdown, platform distribution, revision schedule, and daily activity.
No passwords. Enter your email, click the link, you're in. Your data is isolated and secure with Row Level Security on Postgres.
LeetCode, Codeforces, Khan Academy, and more come pre-loaded. Add any website you want from the dashboard to make it fully extensible.
Chrome and Safari extensions. Captures the current problem URL with one click. Badge shows how many problems are due for revision today.
Click "Send Magic Link" in the extension or dashboard. No password needed — just check your email and click the link.
Navigate to any learning resource, click the extension, and hit Start Timer. When you're done, stop the timer, rate your recall, and save.
The SM-2 algorithm calculates when you'll start forgetting. Problems you find easy appear less often. Tough ones come back sooner.
Check your "Due for Revision" list daily. Rate your recall each time. Over time, every pattern becomes second nature.
Get the browser extension to track problems with one click.
chrome://extensions in ChromeSafari extension is available on request. It requires a macOS/iOS native app wrapper built with Xcode.
Interested? Reach out at [email protected] and I'll send you the build.
Sign up in 10 seconds. No password, no credit card. Just your email.
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