iPhone & iPod Touch different calendar set up?

[MacGiver]

I just noticed that we can set more things on the ipod touch calendar set vs the iphone calender set up? Is it my iphone bugging or a normal thing? if it is normal...anyone has any why there is such a diff?
Thx
X

Iphone on the left, ipt on the right

 

[MacGiver]

any idea about that?