Yes, you can get an apple adapter, there are 2 models, one lightning and one usb.
they are very cheap.
https://www.apple.com/shop/product/MMX62AM/A/lightning-to-35-mm-headphone-jack-adapter
or
https://www.apple.com/shop/product/MU7E2AM/A/usb-c-to-35-mm-headphone-jack-adapter
one of these will work for her/
or this ?
but you might want to look for something like this
there are a wide variety and sometimes it is easier to have dedicated devices.
Because I know absolutely nothing about Apple stuff, will these work with an Ipad that does not have a usb port?
Do any Ipods have a usb port? I know that usbs are now spurned and newer computers don’t even have them, from what I’ve heard.