I bought the Rohloff HG-Check as it was apparently the only tool out there to measure cassette wear.
IMHO it's just too uncomfortable to use and with practice and good sight you can actually determine faster if the cassette needs to be changed.
Already checked: How to tell when to replace cassette?
Is there a tool more sophisticated/expensive or even unknown to the general public that I can check? And or easier/faster to use.
Plain honest, I'm just not that good checking wear by eyesight.