I just tried this and I'm far from an expert but I was quite impressed, I'm sure the real thing is better, but for quick masters for sound cloud etc it's pretty good. You can upload a track to try on the main page for free.
I can't post links yet but google it and it may be of help.

Cheers
Steve.

Please no, don't fall for this.
This is not mastering.

I'm still open minded about it at the moment, I've tried one mix which I knew had to much bass and it turned out quite well. I'm sure it's good enough for the average listener and better at my attempts at mastering lol
Have you tried it? I've seen the mastering engineers are up in arms at gearslutz and slating it but they have a vested interest.

Cheers
Steve.

If they've actually pulled off what they say they have, it represents a significant advance in the evolution of music software. Not impossible. I'm open-minded. But the past 30 years has taught me to be skeptical of such claims, as they almost always turn out in the end to be little more than marketing hype.
 
I'm tempted to give it a try so I can attempt to figure out exactly what it is they do. However, I wouldn't be surprised if it turned out to be the equivalent of a generic Ozone preset.

Well some of those generic Ozone presets are kind of OK for what the OP is saying, i.e. a quick master for Soundcloud. I've put some mixes through them and thought a few of the presets improved the sound - not to the point where you'd even begin to say "there!" but at least giving you a good idea what kind of direction it could go in with a decent master. 

I'm sure it's a pretty cool plug. But it seems to me that, even if it does work well, it would take all the fun and satisfaction out of doing it myself. I enjoy working to get the sound just right (to my ears anyway). Pretty soon we'll just let the computer do the whole composition and recording for us too. No need for human input.

Just wondering if anyone has tried it, I've put two mixes through it and tried them in my car, van, home theatre system and headphones and they translate really well. Personally once my mixes are done I normally just stick a limiter on with a touch of gain reduction as I don't see how mastering your own mix works as I've already tried to get it sounding great in my room at the mix down, I've wasted hours upon hours even weeks burning CDs not to mention spending a small fortune on things like ARC and Ozone thinking I can do it all. I personally think this just kills my creativity. I'm not saying this is perfect by any means but if it gets me near I'm happy to put it out and most listeners aren't interested in the mastering job more if the track is any good to start with. If I ever end up with ten tracks that people love then I'd get them masterd by a pro.

Cheers
Steve.

We're all crazy delusional if we think we hobbyists can master our own stuff.
 
Mastering is like any other aspect of production: it takes study, time and repetition to, uh, master it. Few of us will ever invest sufficient hours toward that pursuit to ever get really good at it.
 
Mastering requires speakers, limiters and equalizers that cost more than your house.
 
Mastering rooms need acoustic treatments designed by a PhD who charges $500 per hour.
 
Mastering requires cold objectivity that you don't possess.
 
Well, I'm delusional, then. After I've composed the song, sung all the parts and played all the instruments, and then spent days mixing it, I have no desire to turn the last 0.05% over to a stranger. Good, bad or mediocre, at the end of the day it's gonna be my creation start to finish.

@bitflipper...well said!

Don't get me wrong if I could get better results doing it my self then I would. I really seem to struggle getting that last 0.05% I'm never happy or sure if I did it right. My problem is I have to mix in a 10 feet square room which I've tried to treat with home made bass traps etc, so having something like this helps me.

Cheers
Steve.