Exactly! The fastest of all the one I tried.

There is only one trade off. You still can't attach a note when you zap.

This is the reason I still didn't put it as default when I do zaps, because sometimes I need to use WoS if I want to attach a note to a zap.. and since now you could also put images, GIFs and video links.. they really need to implement that features if they want to battle with Wallet Of Satoshi