Lookout Cleaner - Clean Master is an iPhone app designed to enhance device performance by scanning for identical or similar images and videos. It offers a smart remover to delete duplicate files efficiently. Additionally, users can safeguard private photos and videos in a Hidden Vault for enhanced privacy protection.

Key features include a smart duplicate photo cleaner, comparison of photo similarity, removal of duplicate photos and videos, easy deletion of unwanted screenshot media, and efficient cleaning of large-size videos. The app aims to reduce storage space clutter caused by multiple copies of the same files. Users can secure their Hidden Vault with a PIN, Touch/Face ID, organize photos and videos into albums, and enjoy a simple user interface for seamless navigation.