Device check
Run this on every phone, tablet and laptop you plan to supervise from. It proves the camera, microphone, recorder, voice triggers and the conversation agent all connect on that exact browser — then copy the report to your testers.
Secure context (HTTPS)
Camera access
Rear camera (environment)
Microphone access
Session recording (MediaRecorder)
Audio analysis (Web Audio)
Voice triggers (Speech Recognition)
Conversation agent connection
Full-screen viewport (dvh + safe area)
Screen wake lock
Home-screen install (manifest)
Tester matrix
Ask each tester to open this page, tap Run full test, then open Supervision in field mode and record a 30-second session.
- iPhone (current iOS) — Safari
- iPhone — Chrome & Edge (WebKit engine)
- iPhone — installed to Home Screen
- iPad — Safari, landscape + split view
- Android phone — Chrome
- Android phone — Samsung Internet / Firefox
- macOS — Safari & Chrome
- Windows — Chrome & Edge
Known-good behavior: on iOS, voice triggers may show a warning — the server-side transcription still captures every word, so the session is complete either way.