Colorize old photo is a free iPhone application developed by 剑南 李. It falls under the category of Utilities & Tools and offers users the ability to add color to their old photos or recolor their new ones. With a simple and intuitive interface, the app allows users to transform their black and white photos into vibrant and colorful memories.

The app offers various styles for colorization and provides multiple output results for each photo. Users can simply open their photo and click on the colorize button to instantly get a colorized version of their image. Additionally, the app allows users to recolor specific elements in their photos, such as clothes, hair, and pets.

One of the standout features of Colorize old photo is its ability to process color photos directly without any prior editing. This makes it a convenient tool for quickly adding color to old or new photos.