Yes, ClickShare supports iOS devices. Users with iOS or iPadOS can use either the ClickShare Mobile App or AirPlay to share content to the meeting room display.
See How to use the ClickShare iOS App
To share your entire screen on ClickShare, please use AirPlay. The AirPlay functionality is only available on selected devices, see What are the supported AirPlay features for my Base Unit? for supported AirPlay features.
See How to use AirPlay on ClickShare from iOS
For a list of supported iOS versions, refer to your ClickShare Base Unit specification sheet, a direct link to each ClickShare Base Unit specification can be found in the KB article Where I can find the specification of the ClickShare Base Unit.
For iOS mobile devices, the ClickShare Mobile App is available in the Apple App Store and supports both iPhone and iPad. More information can be found on www.clickshare.app.