Import an image from the library, camera, or by pasting. When an image is loaded, there is also a button to close the image and return to the main screen from here.
Contains options to alter the image size by scaling, cropping, and adding borders, as well as image straightening. On iPad, this is a tab labeled with the text "Canvas" and no icon.
Contains tools for exposure, color correction, sharpening, etc. These tools can be applied via mask or to the whole image. On iPad, this is a tab labeled with the text "Filters" and no icon.
Allows you to view EXIF metadata and edit IPTC metadata.
History
Brings up a list of the previous states of the image labeled by the last edit made at that point. Tapping on an item will bring you back to that state.