One big hurdle with app development is that generally speaking, you have to build separate apps for both iOS and Android. There are cross platform frameworks such as React Native, however that ...

There should be no hesitation on any user’s part. Update your iphone as soon as the release shows in Settings > General > ...

Edit Menu: Click on the drop-down box below the menu bar and select "Edit Menu" to expand the list. Tick Apps Checkbox: Tick the "Apps" checkbox and select "Done" to add the "Apps" section to the menu ...