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Your map lives on your device first, and backs up to your account so it’s safe and follows you. What travels to the server is only the set of roads you’ve painted — never where or when you actually went.

Your map, backed up

1

It paints on your device

Every painted road is stored locally first, so the map works instantly and fully offline — your phone is always the source of truth.
2

Only painted roads sync

In the background, the list of roads you’ve painted (plus your coverage totals) backs up to your account. Your raw location trail never leaves the phone.
3

It follows you to a new device

Sign in on another phone and your painted map is restored from the backup — pick up exactly where you left off, on every device.

Reset your map

Want a clean slate? Reset map clears every painted road and sets your coverage back to zero, so you can start fogged again.
Resetting your map is permanent — the painted roads are cleared everywhere, including the backup on your account, and can’t be recovered. Your city starts fully fogged again.