Wifi Repeater Setup Guide is a free Android app developed by filysapp that provides a comprehensive guide on how to set up and configure wifi repeaters. The app explains how to repeat a wireless connection and spread it over longer distances. The guide covers the configuration setups and settings for various wifi repeater brands, including Devolo, Netgear, TP Link, and many others. The app explains that the positioning of the device is crucial to ensure that it receives the signal from the router and repeats it exactly. The guide covers easy setup with WPS and step-by-step manual setup via the web browser for Devolo wifi repeater, while for Netgear wifi repeater, it emphasizes the importance of device positioning to ensure a healthy wifi signal. For TP Link repeater, the app explains that the wifi password of the router and the wifi repeater is the same, and you can make it invisible if you want from the router settings.