I’ve also wanted something like this but afaict the only way to do it would be to run everything with sensitive data in a guest profile (on android), however call/text history is controlled by the main profile, even if you’re using voip apps. I could be wrong as i have only tried doing this with google voice in a guest profile but phone calls do not work unless you enable voice/sms permissions in the main profile (on grapheneOS). I’m sure iOS is even more restricted when it comes to something like this.
I think the only real option for security measures like this would be to use some native linux phone like postmarket or something and write your own lockscreen.
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I’ve also wanted something like this but afaict the only way to do it would be to run everything with sensitive data in a guest profile (on android), however call/text history is controlled by the main profile, even if you’re using voip apps. I could be wrong as i have only tried doing this with google voice in a guest profile but phone calls do not work unless you enable voice/sms permissions in the main profile (on grapheneOS). I’m sure iOS is even more restricted when it comes to something like this.
I think the only real option for security measures like this would be to use some native linux phone like postmarket or something and write your own lockscreen.
There is an open issue/feature request for two factor unlock in graphene, but it’s a big job and they’re lacking developers. https://github.com/GrapheneOS/os-issue-tracker/issues/28
Of course the best option would be to not have any sensitive info on your device, but that’s pretty much impossible these days.
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