I did a huge downsizing on my last tour due to fly dates and other logistical issues and ended up ditching a Rhodes Mk II for my iPad pro running Neo Soul Keys and added the Moog Model 15 app. Was running these through a small pedal board just directly out of the headphone out and controlling using a M-Audio Key Station 61.
Apart from the fact it doesn’t look as cool, I can report the audience gave zero shits that I was doing this instead of lugging around my 40 kg (I guess) rhodes. So I guess it was a good move. Also ditched two guitar amps and a huge pedal for a modeller (Fractal AX8) in the process. Again, audience gave zero shits.
Two minor complaints though, I had problems with an iRig in the past and didn’t trust it. The lightning to USB adapter i was using was both expensive and oddly not always in stock in brick an mortar Apple resellers, a fact i unfortunately had to test after being separated from one of my bags for a couple of days.
I also can’t fully recommend Neo Soul Keys. It was fine and sounded alright, but it had some quirks about losing midi connectivity if I did a specific order of app switches during the set which i had to learn the hard way. iPad live was all in all a very positive experience though.
Finding old ones is a genius idea BTW, they would definitely run what I need and save on the accessories.