I have been trading on the EXMO exchange for a very long time and they are great, they are going in the right direction! Convenient service for working with fiat. (USD,EUR and GBP).
Support will always help you understand everything related to the EXMO.
Now I use iOS app, it is fast and convenient. Always at hand.
Guys are constantly adding new features for convenience App and trading on the site.
So I recommend EXMO for newbie and for experienced traders. See full review