RedoImage: Photo Enhancement is a free iPhone app developed by WILLIAM ALEXANDER CHEN that offers automatic photo enhancement using AI technology. With this app, you can quickly touch up your photos before sharing them with friends, requiring no special skills. By utilizing modern AI algorithms, RedoImage helps fix common flaws in images, such as restoring blurry photos, improving damaged or low-resolution pictures, and enhancing overall photo quality. The app allows you to sharpen, clean up, and remove noise from your photos, as well as recover from lossy image compression. Moreover, it offers features like enhancing skin tones, retouching photos, unblurring images, and improving facial features.