Are Iphones Better Than Samsung Galaxy?

I wanted to get a new phone, and am stuck! I don't know what phone I should get? Some people say Samsung Galaxy's are much better than Iphones. What do you think?

What decreases iPhone 4s battery faster?

- Internet Wi-Fi
- Internet 3G
- A long phone call
- Gaming

Added (1). I've heard 3G makes battery drain very very fast and also makes the device heat up in a noticeable way.

IMessage from Canada to Germany?

I have a friend who lives in Germany and I live in Canada. We both have iPhones and mac computers. Would it be free to imessage each other? I iMessaged my friend who lives in California, and I was charged with long distance texts even though they sent as imessage (supposedly free as long as you have data). Now I'm scared to send her a message in germany. Would it be free from my computer or my iphone or?

Thanks

Added (1). Forgot to add that for my imessage on my macbook, I have both my email and my number selected for me to receive messages at. Should I change this?

How much can an 8GB iPhone 4 hold? - 1

So in December I'm buying an iPhone 4 (Not the 4S), and I was wondering how much can it hold? I have 112 Songs, and about 20 Apps… Would that take up all the space, or would it leave me a bit to spare for pictures? Thanks so much! Please answer with real answers:-)

*REAL ANSWERS ONLY* *10 POINTS BEST ANSWER*

How to know that I made a backup of my iPhone?

I want to update my iOS version of my iPhone so, I clicked "Backup". Now, how can I be sure that I made a backup? Please ANSWER FAST because I want to update my iOS version faster, I'm in rush!