Depends from person to person. Some find it convenient to use iPhone, while others Android. But yes, Android is better than iPhone in terms of battery backup and maintenance.
Very easy question. Both are easy it depends on usage. I recently purchased "Redmi 9 Prime" and you know what by doing few tricks I can almost convert into iPhone. There's a gesture feature in it by which you can remove the bottom 3 buttons and the launcher itself is very similar to iPhone. It's almost a iPhone to me and yes jokes apart 😂. It took me 3 days to completely understand the phone and getting fluent with it. With the gesture feature ON.
This is a question which cannot give you clear ideas people using cz people will vote for whatever they are using whether ios or Android.
It totallu depends what you prefer it xan be any