What iPhone app allows me to turn my photo diagonal?

Hey so I'm wondering about an app that I can put my picture in any position in like diagonal and sideways ect.

Https://itunes.apple.com/us/app/cropulator/id307584269?mt=8&uo=4&at=10l79t

$0.99

You import a photo from your library or snap a picture.
Draw a line through the picture with your finger in the direction you want it rotated.
Save the newly rotated picture to your camera roll. It has other features too.

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