And everyone knows that abuelitas in the global south, as a rule, own iPhone 16s and subscribe to 1Password.

There's no need to be snippy.

Those are the solutions I'm familiar with; there may be others. If Android and Windows don't already solve this problem in similar ways--which they might!--it sounds like an open opportunity for them.

Edit: sure enough, Android supports it: https://support.google.com/chrome/answer/13168025?hl=en&co=G...

As does Windows: https://blogs.windows.com/windowsdeveloper/2024/10/08/passke...