A free app for iPhone, by Xu Hao.
MIX is an application that allows you to edit photos and create custom designs for your pictures. It offers powerful editing tools such as photo rotation, flip, crop, and more. In addition, you can also adjust the color and lighting of your photos and use one-tap magic to turn a cloudy day into a sunny one. Furthermore, it also includes dozens of preset styles, including film, portrait, street photography, etc.
MIX can also be used as a graphic design tool, and its powerful editing tools can help you design beautiful posters and other graphics with ease. Moreover, it is a great photography editing tool, which allows you to edit your photos and create a custom photo frame with one-tap.