as far as I understand, for Android there are no difficulties with developing a native app or a PWA to emulate a smart card, however there are difficulties when developing this app for iOS.
Could you please clarify the currently available methods for developing a native app and/or a PWA for iOS that can send out a simple data via NFC as if it was a smart (library) card?
It's only a user ID that would need to be read by the NFC reader (which will very likely be an Android tablet), then on this tablet linked to a timestamp and then sent further to an online database.
Thank you! k