(Apologies to iPhone users but there doesn't appear to even be an iDrupal app).
For those poor desktop users caught in the noughties, screengrabs of the respective pages should give you a flavour:
This is not a criticism of Drupal Editor, rather it highlights the differences that appear inherent between the WordPress and Drupal platforms. WordPress is slick, easy-to-use, with wide appeal. Drupal is complex, dense, powerful and sometimes impenetrable.
I am sure there are good reasons for why WordPress has such a highly polished surface when compared to Drupal but it really does affect the public perception and hence perceived standing of the respective platforms.