Google is said to be testing a way to lock Incognito tabs in its Chrome browser for iOS with Face ID or Touch ID.
According to 9to5Google, Chrome will let you “Lock Incognito tabs” so that they will be blurred in the tab switcher “until you confirm it’s you.”
This feature is not yet available for all beta users. There appears to be a server-side component, while the public launch of Chrome 89 is expected next month — assuming Google’s iOS update situation gets resolved by then. Once live, it will be controllable in Settings > Privacy > Lock Incognito tabs when you close Chrome.
The ability to lock Chrome’s Incognito tabs is similar to a feature in the main Google Search app that uses biometrics to “confirm it’s you when returning to an incognito session after 15 minutes.” Google says the feature will “add more security” as you multitask across apps.
Google Drive also has a similar “Privacy Screen” that requires biometric authentication before open the file storage app.