As an iOS user, you

Altserver

To sideload any ipa, you can use Altserver to ease the process.

Local Airplay

If you want to display your iOS device screen and sounds on your Linux machine, you can do so by using uxplay.

yay -S uxplay-git

Start the avahi daemon and uxplay

sudo avahi-daemon
uxplay

You will need to temporarly disable your firewall

sudo dinitctl disable nftables

You can now go to your iOS device and share the screen to your PC.