On which side you are? ios/Android

IOS for me.

Both

I like Android for it's huge potential in many developing countries. If IOS devices start pricing their products at a more pocket friendly rate, I might prefer IOS.

Android still best - Open source operating system

I was using android for 10 years. Now ios..

Android for me.

Once you switch to iOS you can't switch back to Android, right?!

iOS is the best