Cellular Metrics

Find out which carrier really provides the fastest service where you live, work, or use your phone the most. Measure download and upload speeds and track your carrier's performance over time. Finally you can tell if your carrier is providing the service you paid for.

Get an immediate answer on download and upload speeds by pressing the download/upload test buttons.

Set up background speed measurements for every day or every few hours.

View the download speeds for other carriers in your area.

Contribute to crowdsourced measurement of cell coverage and download/upload speeds.

Recent changes:
Bug fixes including:
Added Worst and Best coverage filters
Box sizing control on map
Permissions explained
Removed unneeded permissions