Who Is Using Your Wi-Fi Secretly? Fing App Have you ever think who is using Wi-Fi? Do you know that your Wi-Fi is hacked or not? Do you want to catch that person who is using your Wi-Fi? Do you want to block them? If you are wondering from all these questions then read this full post because today you will get your all answers about these all questions 🙂 I’m going to tell you about a very interesting app which will show you everything which you need like who is using your wifi and from which time period that device was connected and also you can block that device from your network. Fing App First of all, Download Fing- Network Tools from play store. Fing App is available for both Android and iPhone. After Opening fing app. You can see all the connected device list here with there MAC addresses and their IP addresses also. You can see their icons also that the device is a mobile phone or laptop or router and any other device with there company’s name.