Plates
A license-plate spotting checklist for road trips: mark each region as you spot its plate, moving it from Seeking to Found, until you clear the list.
Cross-device sync
Progress is kept consistent across iPhone, iPad, and Apple Watch through iCloud key-value sync, so a plate spotted on one device is reflected everywhere without any manual refresh.
A focused core loop
The entire interaction is deliberately simple: see the list, mark what you've spotted, watch the list clear — no accounts, no social layer, no clutter competing with the checklist itself.
Ruled out by policy, not abandoned
The original pitch was a CarPlay experience, but Apple's CarPlay guidelines rule out checklist-style apps outright — a blanket restriction, not a gray area to route around. Rather than force a workaround, the project paused with the phone and Watch app already working, ready to resume if Apple's rules change or the concept gets rebuilt around genuine turn-by-turn navigation instead.