Friends, city by city.
Stay loosely connected across cities. Mutual presence, tactile 3D emblems, glanceable widgets, and zero precise GPS tracking.
Tactile 3D Dioramas
Every city is uniquely hand-crafted with architectural miniature dioramas.
New York
Empire State & Yellow Cab
Tokyo
Tokyo Tower & Torii Gate
Paris
Eiffel Tower & Bistro
London
Big Ben & Red Phone Box
San Francisco
Golden Gate & Cable Car
Kyoto
Five-Story Pagoda & Sakura
Sydney
Sydney Opera House & Harbor
Zurich
Alpine Peaks & Clock Tower
Designed for Calm Sociality
No endless chat groups, no precise tracking, zero social anxiety.
City-Level Presence
Only coarse city names are shared with mutual friends. Precise GPS coordinates are reverse-geocoded entirely on-device and never sent to our servers.
Lock Screen & Widgets
Glance at your closest friends’ whereabouts right from your Home Screen and Lock Screen with small, medium, and circular widgets.
Same-City Moments
When you and a friend's travel paths cross in the same city, Across Us celebrates the reunion with an ongoing shared moment and single alert.
Sign in with Apple
One-tap authentication with Apple. No phone numbers, no address book uploads, and immediate one-tap account deletion whenever you choose.
Opportunistic & Low Energy
Uses Apple’s Significant Location Changes and Visits APIs. Zero battery-draining continuous GPS polling in the background.
Granular Privacy Modes
Pause city sharing globally anytime, or customize visibility per-friend. Choose to hide names or details on your Lock Screen widget.