Add missing locations to photos from a walk, a GPX, or a FIT file. PhotoTrack is for people who take photographs with no GPS — a camera without a receiver, location off, airplane mode — and already have a track for the same outing. It also builds a GPX from photos that already have a location. ADD LOCATIONS TO PHOTOS Scan a date range in Apple Photos. Import a GPX or FIT, record a walk on this phone, or use photos that already have GPS as evidence. PhotoTrack matches unlocated photos by time,