I'm looking for an iOS app that will let me add simple gray masks to photos then knockout an ellipse or rectangular area to callout a person or feature in the picture.
Lots of photo editors in the App Store but nothing that jumps out as doing the simplest form, but most enhance and add effects. Some may do what I need, but not in an obvious way.
Masks with opacity sliders and easy pinch and drag would be awesome.
Here's an example of what I would love to be able to do: