A popular smartphone apps, VideoGrade, is an editor for color grading necessary for those who want to edit their video clips directly from your smartphone. Easy to use, fast, flexible and powerful VideoGrade allows you to change various settings to improve or radically change the look of the video.
With its flexibility and precision you can process all the movies recorded or stored on your device, and export them, once ready, Full HD, HD or one of the other export profiles. Of course the export resolution is limited to that of the original video, and features of the device.
To change your video, VideoGrade has eight filters: saturation, brightness, contrast, recovery, color temperature, tint, B & W and vignette. Some of these are applicable to specific areas of the image.
This application requires a version of iOS equal to 5.0 or later, and is compatible with iPhone 3GS, 4, 4S, 5, iPod Touch and iPad. Those interested can purchase it for only 0.89 Euro from this page of the store from Apple.