nPerf speed test

nPerf speed test aims to help you measuring the quality of your Internet connection:  https://www.nperf.com/en/

nPerf Android: https://play.google.com/store/apps/details?id=com.nperf.tester&referrer= 

nPerf Apple: https://play.google.com/store/apps/details?id=com.nperf.tester&referrer= 

nPerf Windows Phone: https://www.microsoft.com/fr-fr/store/p/nperf-speed-test/9nblggh67hff?rtc=1