Apple calls this feature Enhanced Visual Search, and it's turned on by default. Read more: Everything You Need to Know About iOS 18 "Enhanced Visual Search in Photos allows you to search for photos ...
Enhanced Visual Search in iOS 18 sends encrypted numerical representations of landmarks to Apple. Apple's servers never see your photos directly as data remains encrypted while being processed and ...
"Enhanced Visual Search in Photos allows you to search for photos using landmarks or points of interest," Apple wrote online. "Your device privately matches places in your photos to a global index ...