There are a lot of difference that one can have between Catalina and Mojave Mac OS. The fact that the difference between the two Mac OS, you can use one in place of the other. Because of that, you can install either Catalina or Mojave if you had one initially. With the use of Mojave Mac OS, you can have support for older Mac pro models. In Catalina you cannot support older Mac pro models with the use of metal cables. Catalina Mac OS cannot support 32 bit hence when you have a software that has 32 bit structure cannot work after you upgrade. Mojave was the last ma OS that has a 32 bit architectural design that developers were advised to do some update on their software. One of the most significant things about Catalina Mac OS is that it uses 64 bits architecture. Despite the fact that 32 bit processor is obsolete, you need to consider taking an app that has a 32 bit processor to the next level.
The best thing about updates to 64 bit is that it makes the performance to increase that can allow a RAM of up to 4GB when you compare with 32 bit. Before moving to Catalina, there are some of the things that you need to do first. Among the things that you need to put into consideration, confirming if there is a 32 bit application in the Mac OS is the first thing. The best thing that you can do is to let the past be the past. If there is an application that has a 32 bit structure you wat to use them, you can look for any available upgrade.
You need to clean your Mac pro by uninstalling all the 32 bit applications when you get the best upgrades. Similar to all other past Mac OS, Mojave keeps all your media in iTunes. In Catalina, iTunes is divided into three different apps for some simple reasons. The fact that one iTunes app carries a lot than it should make the main reason that leads to dividing into three different apps. You do not have to worry about your media when you upgrade since they get to move automatically to the corresponding apps.
With the use of Mojave, you get to have a better works flow due to the availability of dark mode that adjusts the display of the desktop. Also, you get to have a better file management system in Mojave Mac OS with the help of stacks. Due to the expand of the workspace, you get to have the best experience with Catalina than in Mojave since you have a healthy Mac life balance.