I have identical .36 ohm builds in two Billow V2's both at 35 watts and I'd say it would be hard to tell to difference by how they hit. Not surprising as they are both made by the same company.Congrats, can you compare both mods at same watts, and give us feedback concerning battery life, also if both hit the same or one hits stronger? Thanks
As for battery life that will be a little tougher as the istick doesn't count seconds. It would be just a guess on my part but I've been vaping it pretty heavy for 4 hours and the battery bar has barely moved (Samsung green 25r's). I have the feeling that battery life will be better in the istick.