I have roon remote installed on an ipad pro, it connects to my library fine, however the audio zone does not show in the app and im unable to output audio through my ipad speakers. My android phone works fine including through bluetooth speakers however the ipad literally cannot play audio
The iPad app is a Control only, no Output. See here. It had been hoped to provide an Output for the iPad after Roon Bridge (previously RoonSpeakers) was released, but nothing has been announced yet.