Not that bigger is better so to speak, but that bigger screens are more appealing for many reasons.
One is efficiency to complete tasks easier on a larger screen. I have had iPhones as well as Android phones, and even Windows Mobile.
Some of my best devices have been/are 4.3" or larger.
One reason is the amount of real estate on the screen for icons and widgets or such.
Larger screen means that video consumption is a better experience. I hate staring at a 3.5" screen and trying to make out some details in a scene. Granted, a 4.3" screen is not much bigger than a 3.5", but when seen in action and compared side by side, the difference can be...sizable.
I now have a Note 2 and a Nokia Lumia 920 (Windows Phone 8). The Nokia has a 4.5" screen and the Note 2 a 5.5". The screen on the Note 2 is ideal as it is meant to have enough area for direct s pen input like old school pda devices. The extra bonus of large screen video and easier touch input is just a plus.
A lot of people here in the forums have hashed out this discussion for some time. The consensus have essentially said that if you have small hands, a large device may not be for you, so be it.
I do have his to say though, when my wife is sitting on the couch next to me, she will usually always abandon her iphone 4 to pick up my Note 2 for her YouTube and game fixes. Seems like her iphone is only used as a text and email device anymore. She will even take my Note from me just to take pictures because in her words, "the camera is way better than her iphone".
By the way,
www.imore.com, for the apple enthusiasts.
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