Video Info Viewer is an open-source iPhone app designed to provide users with detailed metadata insights about videos stored on their iOS devices. With this tool, users can easily inspect essential information such as resolution, frame rate, and more.

Moreover, the app offers a unique feature allowing users to delve into the specific data structure of individual atoms within the MPEG-4 format. This capability enables users to identify file irregularities, missing tracks, and other potential issues, making it particularly useful for professionals working extensively with MOV & MP4 files or for enthusiasts keen on understanding video file structures and contained data.