I used to be into phones. These days I use $150-200 used iPhone SE (2020). Don’t care if I drop it or break it. And it takes decent photos (not amazing, not terrible). And it’s small.
1: https://www.wired.com/story/kaspersky-apple-ios-zero-day-int...
The Xcode ghost incident for example affected half a billion installs and 100M users: https://www.intego.com/mac-security-blog/xcodeghost-malware-...
Regarding big name apps... Well, WhatsApp on iOS has been the main attack vector for state actors for a few years now.
https://thedefenceworks.com/blog/zero-click-infection-and-wh...