Wi-Fi Planning Tool is a free Android application developed by Luis Filipe Loureiro that allows you to analyze and study Wi-Fi coverage for a given location or building. With this tool, you can easily find out the level of signal received at each location, which helps you define the locations of your access points better.

The application also enables you to export the information of the received signal level and distance from access points, making it easier for you to share your findings with others. Additionally, the tool allows insertion and removal of access points, providing you with more control over your Wi-Fi coverage. If you need more advanced features, there is a complete version of the application available on the Google Play Store.

Overall, Wi-Fi Planning Tool is an excellent solution for anyone who needs to analyze and study Wi-Fi coverage for a given location or building. Its user-friendly interface and advanced features make it a must-have tool for network administrators, IT professionals, and anyone else who needs to optimize their Wi-Fi coverage.