WebMIDI isn’t implemented in Safari (supposedly for [security concerns](https://news.ycombinator.com/item?id=23676109 https://news.ycombinator.com/item?id=23676

WebMIDI isn’t implemented in Safari (supposedly for [security concerns](https://news.ycombinator.com/item?id=23676109 https://news.ycombinator.com/item?id=23676109)). Only options I know of for iOS are Scrub Web Browser and WebMIDI from the App Store