Your camera + AI =
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Focus24 uses your device's camera and a neural network to analyze facial expressions, head position, blink frequency, and even heart rate (via rPPG technology). Based on this data, the system determines alertness, focus, fatigue, and stress levels in real-time.

No. All analysis happens locally in your browser. Video stream is not recorded or transmitted. Only aggregated session statistics are sent to the server (with your consent) for device synchronization.

Focus24 works in modern browsers: Chrome, Firefox, Safari, and Edge. For best performance, we recommend Chrome or Firefox. Mobile browsers on iOS and Android are also supported.

Yes! Focus24 is a PWA (Progressive Web App). After the first visit, the app is cached and works without internet. You can install it on your desktop like a regular app.

Focus24 uses IndexedDB to store up to 100 sessions and 100,000 factor records. This takes about 10-50 MB depending on usage intensity. Old data is automatically deleted.

Yes, you can export all data in JSON format. Export is available in the Statistics section. Data is encrypted for secure storage and transfer between devices.

You can cancel your subscription at any time from the settings. After cancellation, access remains until the end of the paid period. Without an active subscription, the app continues to work in basic mode.

A regular webcam or laptop camera is sufficient. The main thing is good lighting on your face. The system adapts to different conditions and automatically calibrates on first launch.