Service providers
Part of the ClassGuard Privacy Policy. Version 2026-10. We tell schools at least 30 days before adding a new provider that handles personal data.
| Provider | What they do for ClassGuard | Data they handle | Where |
|---|---|---|---|
| Cloudflare, Inc. | Runs our servers (Workers), database (D1), file storage (R2), live video relay (Realtime/Calls and TURN), background queues, the websites, and sending email | All ClassGuard data, encrypted in transit | Cloudflare's global network, which may include the United States and the European Union |
| Google LLC — ML Kit | Face detection for focus tracking, on the student's phone only | No pictures or personal data leave the phone. Google may receive anonymous usage statistics and send model updates | On the phone; statistics to Google |
| Google LLC — Firebase Cloud Messaging | Delivering alerts to Android phones (only when alerts are switched on) | A device delivery token and the alert's text | Google's network |
| Browser push services (Google, Mozilla, Apple) | Delivering alerts to web browsers (only if you turn them on) | A browser delivery token and the alert's text (encrypted end to end) | The browser maker's network |
Kryft does not use any advertising, analytics or tracking companies.
Data protection terms: Cloudflare's Data Processing Addendum and Google's data processing terms, which include the European Commission's Standard Contractual Clauses for transfers outside the EU/UK.