I now have the 2020 iPad Pro. It is a perfect candidate for running Simplify3D. I am running Simplify3D right now on my early 2011 iPad Pro. So, there shouldn't be any reason that the iPad is not powerful enough to run Simplify3D. Also Apple is coming out with the new Macs with Apple silicon. Similar chip to what is in the iPad and iPhone. Unofficially, Programs written for the iPad should run on the new Macs. Killing 2 birds with one stone, here. I was thinking of maybe getting a new Mac with Apple Silicone and running Shapr3D an iPad app on the mac. A work around. But, if the new Macs don't have a Touch screen then that would not work. I personally would not want to use Simplify3D on an iPhone. Screen to small. But on a iPad Mini or larger screen I would love it. I think on the iPhone starting and stopping a print would be Ok. On my Mac I have to wake it up by going directly to the Mac every time I want to connect to it. Or tell the mac to never go to sleep. Not a streamlined process. When the only program I use my Mac for is Simplify3D. I use Repetier Server on a Raspberry Pi3. I love it. Great touch interface when connecting from my iPad. Again, I would love to take the Mac out of the equation.