Whatcable app for knowing cable speeds, etc.?

[SantaFeNM]

Anyone have experience with this app and do you think it's safe to download for checking cable speeds on some of my unmarked cables?

WhatCable: Know what your USB-C cable can really do

Why is my MacBook charging slowly? WhatCable shows USB-C cable speed, charging power, and e-marker data in plain English. Featured in Lifehacker, Boing Boing, and MakeUseOf.

www.whatcable.uk

Thanks!

 

[Macintosh101]

I saw about this app on the Verge and downloaded it. It's very useful for me.