Grove Guardian Walk Probe

A test page. It measures how you move while it is open, so we can see what your phone allows. Your location never leaves your phone and is never shown on screen.

Tap Start, then allow Location and Motion when your phone asks.

This walk

Time moving
0:00
Open for 0:00
Distance
0.00
miles · 0.00 km
Steps (rough)
0
counted by this page
Right now
Waiting
— mph
Not counted
0:00
at car speed

What your phone allowed

Secure page (needed for location)—
LocationNot asked yet
GPS accuracy—
Motion sensorNot asked yet
Motion readings per second—
Screen kept awake—
While the page was hiddenNot tested yet

To test the background: during a walk, lock the phone or switch apps for a minute, then come back. The last line shows whether anything kept counting.

Results to send back

When you finish, tap Copy and paste it in a message to Chris.

If something says "Denied" (iPhone)
  1. Location: open Settings, then Privacy & Security, then Location Services. Make sure Location Services is on, tap Safari Websites, and choose While Using the App.
  2. Motion: close this tab, open the link again in Safari, tap Start, and tap Allow when it asks about motion.
  3. Use Safari, not a link preview inside another app.
If something says "Denied" (Android)
  1. In Chrome, tap the icon left of the web address, then Permissions, and turn on Location and Motion sensors.
  2. Make sure the phone's Location is on in the quick settings.

Probe build 2026-10-16b. Nothing is saved or sent anywhere: closing the tab erases the walk.