It is truely said that "if you dont have an Iphone, well, you dont have an Iphone".It is the largest selling iphone ever.Super good sound quality.however if you are using android phone and then shift to IOS then you will need some days to get ease with it.Apple is best known for the stylish design it offers in its products.iphone 6s was the slimmest iphone that was launched but now iphone 7 is the slimmest.Different storage variant options makes it suitable for every individual according to the needs.Camera is the best as it has retina display, no other smartphone can replace the camera of iphone 6s.As other smartphones starts hanging after few months of usage but apple iphone does not hangs at all.Though it is expensive a lot but quality is the best.Super cool features it offers such as icloud, siri, facetime etc. which no other smartphones provide.