That seems like a hassle TBH... I'll take the tune-bot ANY DAY, because it measures the pitch, and I know for sure I can get my drum's pitch back to the same tune every time.
That might be a bit of a time saver, but as far as fine tuning or getting back to the same pitch after changing heads, it's probably pretty useless. I've had good luck with speedy changes by getting that evans drill bit lug key and just using a cordless drill, then fine tuning with ye ol' Tune-Bot