Should i need to update my iOS 11 to iOS 12?


Hello my friends,
in this topic i want to know about the iOS 12 feature and performance after the upgrading iOS 11 to iOS 12.
can you please give me suggestion about upgrading ios 11 to ios 12 is worth it or not.
i confused and can’t take decision.
because the iOS 12 size is over the 1 GB and i use my cellular data.
and some people says that’s not any more difference verse iOS 11 and iOS 12.
hope you find this topic interesting and gives reply.
Thanks for your reply.