You can have fifty, a hundred, two hundreds apps that are 99mb each and it will download those updates automatically whenever they have a new release... But you

You can have fifty, a hundred, two hundreds apps that are 99mb each and it will download those updates automatically whenever they have a new release... But you can't install a 20mb over-the-air iOS system security update, and you can't manually install the FB app even if you try (it's just above 100mb)