From Services Technomaniapps Inc.:
Use your old photos and see how your world has changed. Ideal for documenting make-overs, home renovation, weight loss journeys, evolving city landscapes, getting new tattoos, or taking a trip down memory lane.Features: See through a transparent "before" photo, so you can align it exactly with the new photo you're taking. Adjust the before and after pics by dragging, pinching and expanding until you get them just right, then crop them if you like. Use the in app favourites gallery to keep the ones you like best. Drag left or right using the simple slider in the middle to easily compare your before and after pics. Share your before and afters with your friends, family or customers. Ideal for decorators, builders, architects, historians, people improving their bodies, plastic surgeons, hair dressers, tattoo artists, etc.