tadaa 3D doesn't create real 3D images, but it can bring some depth to your photos and the result will likely delight friends and family.
The US$3.99 app is disarmingly simple to use. You can snap a photo from within the app, or create a depth image from your photo library. You select a picture and then use your finger to mask out a foreground object or a person or persons in the photo. The image can be enlarged for more masking accuracy, and the app does provide some intelligent processing to try and figure out what you are trying to mask out using edge detection. When you are finished, you'll see a pseudo-3D image. The background blurs, and as you move your iPhone up and done or side to side, the foreground