Even if you're using a privacy-focused app like Signal, if your messages are shown in notifications (which is the default), Apple will give up your messages with a subpoena. You can turn off showing the message contents in notifications, which you'll need to do and then convince all your friends to do as well if you want messages to be truly private
Is this true? I.e. Apple can ship notification contents after an app has made the actual notifications with contents? Can’t read the linked article behind the paywall
Less transparent my ass. The first time you use any apple app it gives you a summary of the privacy implications, what data is collected, etc. that’s the exact opposite of your statement.
Google instead links you to their monolithic TOS / privacy policy which covers all their products and is super opaque.
On pixel 9 (and maybe earlier) grapheneos devices, you can just disable the USB c port which is more secure than apple's pairlocking. Combine that with a self destruct pin/password, your data is bulletproof.
Re: whatsapp, I'm pretty sure the android and iphone app use the same backup format. You can manually extract them by doing an unencrypted iPhone backup to your PC and extract the data from that. When I tested an iPhone a few years ago, I was able to move my whatsapp data after the initial setup with that. I'm pretty sure there are commercial tools that do the same thing too.
Is this true? I.e. Apple can ship notification contents after an app has made the actual notifications with contents? Can’t read the linked article behind the paywall