Well, the UI, despite vast improvements over previous Yihi chips, is still awkward and cumbersome. The BT is a flaky, beta app and all the promised customizations are still vaporware.It won't happen if I'm sitting in one place, but as soon as I'm in my car with a/c it screws it all up, especially I've noticed if it's hot w/ a/c on or cold w/ heat on it starts acting up... but that's unavoidable bc I'm always running all over for work and going in/outside all the time.
Gotta say though, this cheap little evic with ArcticFox just works, all the time no matter where I am.
That being said, I think the G Class is probably the best overall mod out there. Due to the hardware. If you take some time to learn the Yihi way and understand how this chip and how the firm/software operate then I think you'll find the TC absolutely rock solid. It'll track you whisper your vape. It can ramp up high voltage amps effortlessly on near dead batteries. This mod is a precision work horse. Only mod I use anymore. Love or hate I suppose...
But that's why I use it. Once I'm setup for a build I don't have to adjust anything, no power twiddling, no temp adjusts, nada. I only need the fire button to unlock and vape. That's it and it's prefect as my wicking allows. Vape 'em dry to the bone.
Also btw, with some setup effort, using the SXi-Q software you can configure any power or temp curves you want; or even both together at the same time for those truly custom preheats on complex builds. Want that mech punch and smooth fade in power mode? Just draw out the graph you want and store it in one of 5 memories for one in 5 coil config/profiles.
There's quite a lot this mod can do that gets overlooked because of Yihi's convoluted software. At last they have been making releases and it is improving. So hopefully they can beef up the UI and usability. This chip is capable of performing any software "feature" of anything out there.
To each their own...