Based on our record, Air Display should be more popular than TouchPortal. It has been mentiond 3 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Https://avatron.com/applications/air-display/ Not sure, if it does screen mirroring. Source: about 2 years ago
If you're talking about Target Display Mode, I'm afraid your iMac does not support it. You can still use something like Air Display, although I'm not sure if it will help you achieve what you want. Source: over 2 years ago
The other option is via software like AirDisplay, but that does cost money as well! Source: about 3 years ago
I use TouchPortal to control my obs, it's like $15 and you need a tablet or smartphone to run it, but it makes it so much easier, especially with limited screen space. Source: over 2 years ago
Duet Display - With Duet Display, you can transform your iPhone or iPad into a second display to expand the screen space of your PC or Mac system.
Macro Deck - Use smartphone as macropad for pc
iDisplay - iDisplay is an app that turns a mobile device into a secondary desktop monitor. The app currently supports iOS, Android, Windows and MacOS, and it lets users connect a desktop computer to a mobile device over WiFi. Read more about iDisplay.
Deckboard - Deckboard helps you create macros for Windows PC and launch them on your phone.
spacedesk - spacedesk expands the Windows desktop computer screen to other computers over the local area...
Elgato Stream Deck Mobile - Stream Deck Mobile brings professional stream control, powerful integrations, and the Stream Deck workflow to your iPhone or Android. That’s 15 fully customizable buttons poised to launch unlimited actions. All at your fingertips – and wireless.