I went from iPhone to Android back to iPhone.
I switched to Android because of a great deal on slickdeals that gave me a very nice 4g data allowance for dirt cheap, and I wanted to see what Android was all about, and I was down for a change.
I owned it for about 3 months and decided to go back. My phone had issues. It would lock up, keyboard input would lag, icons disappeared, wifi would forget networks. And I tried everything. Power cycle, factory reset, multiple virus scanner apps, no rooting, updated to latest firmware, tried different firmware.
But if that were the only reasons I would have just tried a new or different Android phone, but I went back to iOS for some other reasons.
Since I own an iPad and iMac, I had the benefit of pics, vids, and notes being shared automatically among all my devices. I loved that when I took a pic on my phone, it would go to my desktop, and if I made a note on my desktop, I would get it on my tablet, and didnt have to mess with 3rd party programs.
Also much of my friends, family and my GF use iDevices. This is good for texting, as I like to text on my iMac because I can type faster, and when I leave the house, I can continue the conversation on my phone and see all previous messages.
Also I facetime with them. When I had my android phone, I couldnt get all my friends and family to get skype apps and have em log in to accept my calls. It was too much of a hassle.
I also really missed having cloud enabled games between my devices. Playing Vice City on my iPad, and later continuing on my iPhone when i'm away from home. Also universal apps, and having an app I paid for once but having it for my tablet and phone. And I already had a ton of content purchased in iTunes and I was very frugal about spending money in the Google Play store.
As a musician I use a lot of recording, effects, and modeling apps for my guitar, bass, and electric piano. This is done by plugging in the instrument cable into the headphone jack using an adapter like iRig. But Android does not have this capability due to latency inherent in the OS, therefore a whole world of music production apps was unavailable.
Aside from music, a lot of my favorite games like SF Volt, Chinatown Wars, Little Inferno, Infinity Blade were not on Google Play. I kept looking for my fav games and not finding them. However when I switched back to iPhone, I dont recall any games I got on Google Play that I couldnt get on the app store.
Not just games, but there are other apps that I couldnt find an equivalent of in the Google Play store like Itunes U, iMovie, DM1.
I also appreciate the retail experience Apple has integrated with their products, and that I can go and get help in person at the genius bar. And the 1 year warranty, where I can simply take it to them and they will replace it then and there if its broken, and I dont have to deal with 3rd party repair places, dealing with RMA's and having to ship it out and wait. Having an OEM 2 year extended warranty that covers accidents was also a big incentive for me since mine is at a higher risk of breaking since I have to have it on me for 80+ miles of cycling a week.
Also Apples phone support is the best i've experienced for an electronics company. Call center is in the US. The call is picked up by a human, you dont go through a bunch of menus, and transfers, and long wait times, with people you have a hard time understanding, Apples tech people are really pleasant and easy to deal with.
I also just like the build materials and style of the phone.
Of course I do miss all the strengths of an android phone (screen size, sd card slot, widgets, being able to choose default programs) but I weighed the pros and cons, and iOS was a platform I had more appeciation for. That's just me. Everyone has different needs and tastes.