Comprehensive Guide to Numbers is a free Android app developed by "Roz AlTaqnia" that helps users search for phone numbers and their owners' data. With this app, users can easily find mobile and fixed numbers of individuals and businesses from all over the world.

One of the key features of the app is that it allows users to contact the owners of the phone numbers directly from the app. The app provides a comprehensive directory of all the names associated with the phone numbers searched by the user. Additionally, the app is regularly updated with new phone numbers, ensuring that users have access to the latest information.

The app is compatible with Android 9.0 and is categorized under "Social & Communication". Overall, Comprehensive Guide to Numbers is an easy-to-use app that can be a valuable tool for individuals and businesses looking for phone numbers and data associated with them.