> They all seem to be infected with all kinds of malicious advertisements and bogus download buttons. If ads are a problem there is pretty good solution: Firef

> They all seem to be infected with all kinds of malicious advertisements and bogus download buttons. If ads are a problem there is pretty good solution: Firefox + uBlock Origin and perhaps some other extensions. Apple doesn't allow Firefox on iOS which is why I would never recommend it. The thing I have a continual problem with is "accidental" rearranging of the home screen. "My xyz application has gone" is a continual complaint. (It's been dragged to another screen.) Accidental is in quotes because the young grandkids delight it rearranging it once they discover how. There is no solution on iOS. Android can potentially solve this because you can replace the launcher. But only potentially, because I've yet to find a good "elderly friendly" launcher. Actually, it's not just "elderly only" as if I found one that allowed you to lock the launcher layout somehow, I'd use it. "Pocket rearrangement" of my home screen is far too common. In general "aggressive simplification" of the UI is the key here. Provide just the things they use, and remove things they don't like "don't disturb". In the hands of an elderly person a "don't disturb" button hidden in the notification area becomes a "break my phone" button. Android does in principle all you to remove all of those. iOS doesn't.