What dialabrain has stated.
If you have personally installed these Apple applications since they were originally introduced in Fall 2013, then you can reinstall version 11.1 of these applications on Catalina.
Launch the Mac App Store and be signed in with the same Apple ID as you previously used to install these applications — even if on a different Mac. Press cmd+0 (zero) to open the Purchased panel and you should see evidence of the ability to install these applications. That might be a blue outline cloud with a down arrow such as this:

The Mac App Store may present one or more dialogs, none of which you click Cancel. The last one will ask if you want to install the last compatible version of the application for macOS Catalina. You know what to do.