It's not identical, Android lets you do a lot more in the background than iOS 4.0 does. That's the crux of my part about battery life... because it lets apps do

It's not identical, Android lets you do a lot more in the background than iOS 4.0 does. That's the crux of my part about battery life... because it lets apps do anything in the background it will drain your battery. Apple didn't want to give developers that ability because they were concerned about regular users' iPhone batteries draining.