IPhone 5S vs Sony Xperia M2?

I've got an iPhone 5S but it's so expensive for me, that I'm thinking about letting it over to my brother, and get a Sony Xperia M2 instead. The price for it right now, here, is 2000 SEK, about 290$ or 200€. And I need your help, with the positives and negatives, and the differences between these 2 phones.

The Xperia M2 is a mid-range phone, whereas the 5S is a premium flagship, so you should expect a downgrade in performance. The M2's screen will be significantly less sharp but will be larger than that of the 5S (4.8 inches vs. 4). The internal memory will be reduced (only 8 GB), but you will gain SD card support, which is a plus.

The largest difference will be operating system. The iPhone runs iOS 7, whereas the Xperia M2 runs Android 4.3 Jellybean (with a planned upgrade to 4.4.2 Kit Kat). Android is much more customizable, with the ability to change things like your keyboard, text messaging apps, launcher, etc., whereas iOS is a little more streamlined and stable (a walled garden if you will). In terms of app availability, both Google Play and Apple's App Store will suit you well.

Better stick with iPhone 5S, though M2 is not bad…
Personal opinion

The phone plan through the carrier is the same either way.

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