Depends on the people concerned, situation, environment, type of tickling,wither fun or sexual,bound or not, clothed or not and many numerous other factors.
Sometimes its not the same result, even when all the perameters are the same.
Random suprise situations sometimes work out better than planned.
I compare it to a frame of snooker,same game, but no two frames are ever exactly the same in every detail.
If i were forced to choose i would opt for females.
Faster lighter touch, often more sadistic, more inclined to tease.