Spectrum Internet Speed Analyzer is an app that allows you to test the speed of your internet connection, either your WiFi or 3G/4G LTE connection.

It's a simple, easy-to-use app that lets you test the speed of your internet connection in seconds. 
You don't have to do anything else but open the app and start testing.

This tool is free to use and works on both Android devices.

In this application, after testing, you will be able to view your download and upload speeds, and will show you a graph that reflects your internet speed at a specific time of testing.