https://www.nperf.com/en/nperf-applications
3G, 4G LTE, 5G & WiFi mobile speed test, browsing test and streaming test - QoS on Android and iOS...
nPerf application for iPhone, iPad and Android devices allows you to test your mobile cellular (2G / 3G / 4G LTE / 5G) or Wifi connection quality.
mobile speed test
https://www.speedtest.net/ru/apps/mobile
Speedtest Mobile: Internet speed test for Android and iOS
Discover the speed of your mobile connection with easy, one-tap testing—accurate anywhere thanks to our massive global server network.
for android and iosinternet speed testspeedtestmobile