The titular Todd from Tech with Todd hooked up his guitar to an iPhone running Amplitube, using the new Tone Shifter 3S interface. He shows off a few different tones, and they all sound quite nice! The link to the Tone Shift 3S doesn't work at the time I write this, but that is the official store page. You can also find them on Facebook.
The Tone Shifter 3S with an iphone 6s running amplitude with the MESA BOOGIE update. Clean, dirty and lead patch.