When it comes to the iPhone, every review since the 3G has exclaimed one thing: this is the best iPhone yet. And it should go without saying that enough changes and improvements have been made so that the newest models is, in fact, the best.
Blazing fast; Excellent hardware (camera, speaker, overall form); Solid call quality and download speeds; Gorgeous display; OS far more focused on apps
Fingerprint scanner isn't as good as it should be; Major OS changes are often decent, more often abysmal; Battery life isn't competitive with top Android phones; Not the best phone on the market after launch