If you want to sideload iOS apps

Install

doas pacman -S usbmuxd libimobiledevice
curl https://raw.githubusercontent.com/powenn/AltServer-Linux-PyScript/rewrite/main.py > main.py
doas pacman -S python-requests
Download provision x86 and run it
export ALTSERVER_ANISETTE_SERVER=http://127.0.0.1:6969/
python3 main.py