yes, they are, but they are for me.
you must test them to understand how they work and to learn using them, then choose the one you prefer.
nowadays setting up $whatever feature is quite easy.. the hard work is to understand how thing are going to work, to fix them if something goes wrong.
and you're talking about backup
I usually use a custom made script to backup my servers.. or duplicity or rsync.. the point is that you have to test and choose the right tool for you for your environment and skills