TC works great..I'd rank Evolv DNA200 as #1, Yihi SX-350J as #2, and Joyetech/Wismec board a very close #3, and a DNA40 as #4, just to put it in perspective.
I think Yihi is more accurate than Joyetech, but Joyetech has a smoother, more Evolv-like vape, and a better UI than either Evolv or...