That's the testing matrix we have to do for iOS and Android apps today. The screen sizes don't go all the way up to ultrawide, but 13" iPad (portrait and landsc

That's the testing matrix we have to do for iOS and Android apps today. The screen sizes don't go all the way up to ultrawide, but 13" iPad (portrait and landscape) down to 4" iPhone Mini, at every "Dynamic Type" display setting is required. It's not that tough, but there can be tricky cases.