Klaas Pieter AnnemaThis may sound strange coming from a professional iOS developer but:
Why is this not a website is the most important question of our time.
Ken McLeod@kp One answer to this question: because a native iOS app provides more flexibility* than MobileSafari would give to a website.
* "flexibility" can mean the ability to control the user experience, but it can also mean the ability to gather and/or exfiltrate more data.