"I currently have both. iPhone 6 personal and s5 for work. I love my iPhone. Always runs perfect. It really depends on what you need it for. The galaxy definitely does things that Apple can't but it's not reliable. I constantly have to reset my phone or take the battery out. If it's for personal use get the iPhone"
That has been my experience. With my iphone 3GS, it was pretty reliable until the battery started to crap out. Then it got annoying because you can't just get a new battery. But with the S3 I switched to, it's always been buggy as fuck. Some of the same games run much slower, apps crash all the time, apps lock the cpu and drain the battery like crazy, etc...
"My question is if the Samsung phone breaks where will you take it to get fixed"
That's a big advantage to the iphone. You can just take it to the Apple store, especially if you have the extended warranty and support plan.
"I have both and prefer my iPhone 6 plus. It's faster and less buggy.
I also find my s5 dies faster and I use it way less."
Like I said above, I also found my iphone to be much less buggy than my S3. But I'm surprised about the battery life you're getting. The S5 is rated to have a significantly longer battery life and all of the tests and reviews I've seen online from sites like Cnet have shown that to be the case. Based on my experience with th S3, it wouldn't surprise me if you have some buggy apps that are draining the battery.