Use Open NetTest to run a truly reliable Internet speed test on your fixed, cellular, or WiFi network (4G/5G speed test). Open NetTest is completely free, with no ads or in-app purchases, and its main focus is providing reliable Internet connection speed test results. It measures several parameters, including download and upload speed, ping (latency), jitter, and packet loss. What sets it apart from the plethora of speed test apps already available is its use of an open, transparent methodolog