Image Colorizer - Colorize black and white images automatically
Scanbot - Scanbot is a mobile app that allows you to use your device's camera as a document scanner. The app is capable of scanning a large number of source materials, and it can handle QR codes as well.
PhotoGlory - Restore old photos and colorize B&W with one click
Scanner Pro - Scanner Pro turns your iPhone into portable scanner in your pocket.
AI Picture Restoration - Free way to remove scratches, sharpen colors, and fix photos
Genius Scan - On The Go.