At first glance it looks a bit scary. The author is not familiar with basic rules of designing easy-tonavigate interfaces, and this makes xBet really difficult to use.
Another thing worth mentioning is that it is rather "pensive", which is a bit annoying.
Moreover, xBet with all its disadvantages costs even more than BetAssistant. You can use it of course to get the necessary statistics, but it's simply inconvenient.