Yes. The XXL is the better value as it doesn't cost more, but the XL is plenty big and deep.
I have a KlearKube with a legacy Flat Liger. I picked up a Steel Kube to drive a future Liger Air. I ordered it with his XL banger as I anticipate a little wait until the Liger Air pre order is fulfilled. I love his quartz banger. (as a side note there is a significant weight difference between the Klear Kube and the Steel Kube.)
The latest update to his app has preprogrammed profiles for the Liger and his individual coils. There is no need for inserts for up-temp dabs. He now has preprogrammed glob modes that will rapidly raise your temp to preset levels and drop your temp back down once they are achieved.
The bluetooth control of the Kube allows for some unique applications. I keep one Kube inside a coffee table whose top opens to reveal a hidden dab station. It resides between my couch and the big screen. The other sits inside one of those globe drink carts which opens to reveal my other dab station. Here's the early prototype: