
It now allows you to create smart lists of reminders, add attachments and links, and Siri can suggest reminders from within other apps like Messages. In Catalina, the biggest improvement over Mojave was the Reminders app, which was completely re-designed. And Screen Time now includes your Mac as well as iOS devices in its monitoring of the time you or members of your family spend in front of a screen.

Also, in Catalina and Big Sur, you can use an iPad as a second display or a graphics tablet with your Mac. Catalina also introduced a new Find My app on macOS, which works in the same way as the one in iOS, allowing you to find your Mac, iOS device, and friends in one app.

macOS Big Sur vs Mojave: links with iOSĬatalina introduced the ability to easily port apps from iPad OS to macOS with a feature called Catalyst, resulting in several iPad apps becoming available on the Mac. Any movies or TV shows you have previously bought on the iTunes Store are available in the Apple TV app, where you can also subscribe to Apple’s Apple TV+ streaming service. It mirrors the way you access music, podcasts and TV shows in iOS.
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The contents of your iTunes Library are split across those three apps and synced over iCloud. In its place are three new apps: Music, Podcasts, and Apple TV. The biggest change from Mojave to Catalina, and from Mojave to Big Sur is that iTunes is gone.
