Grumpy Old Geeks Products OmniGraffle Product OmniGraffle 2 mentions in 1 episode OmniGraffle is a diagramming app that a host says he can no longer run on his iPad. Mentions 170: Brian's Getting a Drone! Jul 29, 2016 51:58 Omni Graffle. Right. I wanted to pull it up today and do a quick flow chart 52:16 I spent $89 on Omni Graffle.