Is Manjaro similar to Ubuntu?

To install software, Manjaro uses Pacman and Ubuntu uses APT. The syntax between the two is a bit different, but their functions are essentially the same – both can resolve package dependencies, allow the user to search for a package, etc. The real difference lies in the repositories that these software managers use.

Is Manjaro harder than Ubuntu?

When it comes to user-friendliness, Ubuntu is much easier to use and highly recommended for beginners. However, Manjaro offers a much faster system and much more granular control.