This app allows you to easily crop out sections of your photos and save it as a new photo. New features also allow you to copy your cropped image so you can easily paste in any other app. This also allows you to flip the image with a mirror effect after cropping if you wish to reverse the image.
CultofMac.com: This app screams quality. Attention: iOS 6 or greater needed. Feel free to contact me if you have questions or other feedback.
Crop your photos with no loss in image quality Rotate or flip photos. Even handles extra large images. The best free cropping app.
Create beautiful black & white photography Monochromia lets you turn your iPhone/iPad photos into impressive monochrome ones. Just select photos, then swipe your finger horizontally and vertically.