backflips are easier but more high risk, frontflips are harder but lower risk. thats how i view it at least.
First off, stop listening to kids on NS....
Frontflips are way easier because you can do them on knuckles, all you do is throw yourself over and your good..chances are you'll either land on your back or backseat but its pussy shit cause your never off the ground more than a foot or two...you seriously can't get hurt
Backflips are hard because they are an actual trick, they need a legit jump. Yes the rotation is super easy, and you have a ton of time to get it around. If you come up short your tips will hit and you'll double eject but you won't land on your head, worst comes to worst your on your stomach.
Quite being a pussy, try em both in the same day on the same run....you'll live