Overlay a translucent reference image on the live camera, then shoot.
Download on the App Store



Adjust opacity, size and position with your fingers. If the overlay gets hard to read, switch to a split view that stacks the reference above the frame. After each shot, compare the two and reshoot on the spot if it's off.
No. The overlay exists only in the viewfinder, and what gets saved is an ordinary photo.
Yes. The app has no networking capability, so it behaves the same offline. Your chosen image never leaves the device.
No.
Film and TV locations, then-and-now photos of the same spot, retaking old photos, tracking how your kids grow, perspective reference for artists. Anything where you want the same composition again.