Avira Home Guard is the free smart home network scanner that detects and identifies any device connected to your Wi-Fi, including from neighbors using your Wi-Fi. It checks for device vulnerabilities such as open ports and tests your internet speed.
The antivirus report has confirmed that this application is totally safe for usage. AVIRA is the developer of the app which can be found in the Tools category. Over 50K users downloaded and set up Avira Home Guard and the latest release was on Jun 4, 2019.
This application has the average rating 4.2 on Google Play. You can download the .apk installer of Avira Home Guard 1.1.16 for free and have a look at users' reviews on Droid Informer. The file size doesn't exceed 13 MB and the app runs flawlessly on Android 5.0 and above.