To add a bit of context, China forces Android users in Xinjiang to install surveillance apps: - https://www.vice.com/en_us/article/ne94dg/jingwang-app-no-encry

To add a bit of context, China forces Android users in Xinjiang to install surveillance apps: - https://www.vice.com/en_us/article/ne94dg/jingwang-app-no-encryption-china-force-install-urumqi-xinjiang https://www.vice.com/en_us/article/ne94dg/jingwang-app-no-en... - https://www.vice.com/en_us/article/7xgame/at-chinese-border-tourists-forced-to-install-a-text-stealing-piece-of-malware https://www.vice.com/en_us/article/7xgame/at-chinese-border-... Such apps wouldn't work on iOS, due to its tighter security. But apparently if you're China that's not much of a deterrent, because you can just buy a rootkit to get around such limitations.