Modern teamsite homepage doesn't show current site menu on ipad landscape

In the browser of modern ipads, the home page of modern team sites don't show a navigation of the current site. 

For example, the default documents view does show the navigation:

However, the homepage (modern page) doesn't (no hamburger menu button either):

 Any confirmations or suggestions? I can imagine not all companies using ipads a lot, but we do as an educational institution..