Opinions on Payoneer (PayPal alternative)

I've heard that there's a payment system called Payoneer, and I think it's an alternative to PayPal. I never used that service before, to be honest, so I'll need some opinions about it before I sign up on it.

Is it a good PayPal alternative or not? And if some of you actually used it, what are your experiences with it, whether they're good or bad?