Well, it's free, so I won't mention the bugs.
You upload your raw data from My Heritage or others and you get something.
Do you get what you want? Probably not. You probably need to pay for the things you want.
But you get some cool stuff. A second opinion on what your ancestry is...and it might be wildly different than the initial result.
And you get Traits. Which are...cool, but so damn useless! Maybe the paid version has things that actually help.
one thing about Traits: You need a masters degree to understand the double negations and what not. Who the hell wrote those explainations? "You tend to have a lower caffeine metabolite ratio in blood" What does that mean? Don't worry, you have a longer explaination that makes even less sense. And later you get"You tend to drink less coffee" . Oh! Easy. Just say it plainly.
Others: You tend to have smaller boobs. Well. I should hope so, I'm a man.
Or the psychological ones: you are likely a people person. Well...guess what. The environment has an opinion about that. Maybe I do, but my environment didn't agree with the DNA. So I'm not. Now if I say "no" I will affect your data, but it would be false. Because I do have a natural tendency as you claim, but I don't act on it. So you should offer an option to respond with "Yes, but..." to differentiate between DNA traits and environment.
Oh, and of course" you tend to have more/less beta-amilase/vitamin B/iron..." Do you actually expect people to know if they tend to have that? How often do you test for beta-amilase? I tested for Iron levels maybe 3 times in my life, when I was a kid. I deffinitely don't know what the tendency is.
So yeah, a cool tool, but not useful at all in the free version. Which would makes sense, as they want you to pay. But they don't give you a taste of anything yummy, to hook you in.