There have been ad-supported free versions for iOS in the past, though availability on the App Store can vary. How to Download and Install
The software you install on your primary Mac (the one whose screen you want to extend) is completely free to download. air display mac free download
On your secondary Mac, download the Air Display Client from the Mac App Store. For iPads or iPhones, search for "Air Display" in the iOS App Store. There have been ad-supported free versions for iOS
Air Display Mac: Free Download and Setup Guide If you're looking for an , it’s important to distinguish between the various components of the software. Air Display by Avatron Software is a popular utility that allows you to use a spare Mac, iPad, or even a Windows PC as an extra monitor for your primary computer. Is Air Display Free? The pricing model for Air Display can be a bit confusing. For iPads or iPhones, search for "Air Display"