I own both the tfv4 and the Uwell crown. They are both legit. I'd say if you want clouds and flavor in the abundance, go for the tfv4. If you want something smooth, and just looks dope as ...., get the Uwell crown. It rips like a champ, has multiple coil heads, and they sell replacement coil packages of 5* for 13.99$
Right. I would love experimenting and making my own coils but I would want to know what I am doing first. Otherwise i would! If you want flavor chaser and clouds but not excessive clouds then get the Uwell. It's hard to say which has more flavor as I've used both and used the .... out of the triple and quadruple coils already in the tfv4 to even compare to the Uwell crown