We're currently looking into an issue where iPhone 6 users see the game enlarged and misaligned making it unplayable. We're working on a fix, but in the meantime you can use this temporary solution. Settings → Display & Brightness, -> Change Display Settings from Standard to Zoomed
You mean because have money to waste on. I have the cash too, but I ain't spending 500$ every months for the newest phone because it's 0.1inch larger and 0.00000000000001 faster than the previous phone.