Well, I tried to make a Roku app and failed miserably. I have no idea what programming in iOS is like, but I'll do a little research.
Dan
LG NANO85 4K TV, Samsung JU7100 4K TV, Sony BDP-S3500, Sharp 4K Roku TV, Insignia Roku TV, Roku Ultra, Premiere and Stick, Nvidia Shield, Yamaha RX-V583 AVR. Primary server: Intel i5-6400, 16 gig ram, Windows 10 Pro, 22 TB hard drive space | Test server Windows 10 Pro, AMD Phenom II X4 965, 8 gig ram
I will say our school district uses Serviio as we digitized all 2000 of our school educational videos, and as most schools are Apple Centric these days, an iOS app would be extremely useful.