How it works. Your camera turns into a simple posture sensor: tilt your head down toward your notes and it counts as studying; look up at the screen or step away and tracking pauses.
Before you start. The first load fetches a small face-tracking model (needs internet once, then it's cached). When you turn the camera on, you'll land in setup mode first — get positioned, then hit Calibrate while looking at the screen normally so the app learns your baseline angle.
Earning breaks. Time spent studying banks break time at the exchange rate you set below. Step away for 10 seconds straight and a break auto‑starts from your bank. If you're away or looking up with nothing banked, the bank starts going into debt after 15 seconds until you get back to studying.
Emergency break. Need to step away without any of that? Hit Emergency break — it pauses everything and costs you nothing.
Privacy. Studied time, bank, and calibration are saved on this device only. Nothing from your camera ever leaves this browser tab.
You're in setup mode. Get positioned, then hit Calibrate while looking at the screen — nothing counts yet.
This only starts automatically the first time. Open Settings (⚙️) any time to run it again.