Yes
if all you have is apps, then 16 GB.
Yes but there are also paid apps so only get the free apps.
it depends. an iPhone may have an 8 gb, 16gb, 32gb and 64gb(iPhone 4s) models.
There are more features but dont think its the iphone 5. The 4s has a better camera and more storage. It also surfs faster, and loads apps quicker than the iphone 4.
Yes via the many apps available from the app store
The Nokia Lumia 900 is better than the IPhone 4s because it is cheaper and has better apps. It also has a bigger screen so if you like watching videos it works better than the IPhone 4s. I have had both the IPhone 4s and the Nokia Lumia 900 and the Nokia Lumia 900 wins by far.
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It depends how many gigabits it has and how much memory you have used up.
All you have you do is connect it to the computer then just open itunes and drag the apps in to the side where it says something's iphone and tada there we go (doesnt work if there arent apps)
The iPhone 4s is the 5th iPhone that Apple has made.
iphone 4s