Ofcom Mobile and Broadband Checker
The telecoms watchdog’s app will test broadband and mobile 3G and 4G. It also gives unbiased advice on the speed and mobile reception you should be getting.
Speedtest by Ookla
Ookla claims to have conducted 17bn-plus speed checks so far. Compare speeds with nearby users and run a “ping” test to measure server reaction time — vital for online gamers.
Speedcheck Internet Speed Test
Speeds can vary with local demand, time of day and your devices. Create an account with this app and it will save every speed test you run from PC, phone or tablet.