Connect your guitar to iOS/Mac w/ the iRig HD 2 Interface for $60 (Reg. $100)
IK MULTIMEDIA IP-IRIG-HDX-IN USB-C Digital Guitar Interface for iPhone – Easy Music Center
How to Connect and Record your Guitar to an iPhone - thegaragebandguide.com
iRig HD X Guitar Audio Interface for iPhone, iPad, Mac, iOS and PC with USB-C, Lightning and USB Cable and 24-bit, 96kHz Music Recording : Amazon.com.au: Musical Instruments
Connect Guitar to iPhone
How to connect an electric guitar to an iPhone or iPad - YouTube