No, not really. But that is 0% a reason not to use it. Mastering engineers use stuff that no one else uses.

Is ozone just for mastering?

Ozone is first and foremost a mastering suite. ... Since Ozone is primarily (though by no means solely) aimed at mastering engineers, the plugin features a host of options for manipulating a finished stereo mix, with all elements in place and no stems to adjust.

Is Ozone mastering good?

Great features, low learning curve.

It certainly won"t replace great speakers in a great room and mastering that"s done by an experienced pro but it certainly helps you get close. One of the best features is the ability to drag in reference tracks to check against your project.