Map Overlay is an app for your iPhone. It does one simple thing: it lets you overlay an image, or set of images, onto your iPhone's map. Choose a diagram, guidebook drawing, OS map, image or take a photo. Scale, rotate and position the image on your device's app, set its transparency, then stick it in place.

- Take a photo, choose from your library, or grab any image for the web - Add multiple images to your map, to cover different locations or to build a compound overlay - Change the transparency of your overlays to blend with the underlying map

Map Overlay is available in the App Store.