The best thing about Apple is - of course - its marketing.
People now buy bigger and bigger iPhones until the day Apple releases the iPhone 8 mini which conveniently fits in your pocket! Yeah! Wow! Amazing!
So, in a few years from now you will own the same iPhone as you have now. Just with more memory and more apps you will never use and a bigger pricetag.
How people are fooled by brand names is clear in this video: