TOTP App

TOTP App

Browser Integration Mobile

Browser Integration Desktop

Pro

Contra

~~Microsoft Authenticator~~

~~yes~~ -

~~Known to many users~~

~~Only on mobile.~~

~~Only on ONE device.~~

~~Google Authenticator~~ ~~yes~~ -

~~Only on mobile.~~

Keepass - recommended yes Via browser plugin.

Save extra data.

Optional: Sync to many devices.
Every browser, on all devices, offers the same latest credentials.

yes -

Known to many users

Only on mobile.

Only on ONE device.

Google Authenticator yes - -

Only on mobile.

There are other apps and online services, acting as TOTP Apps.
TOTP is a standard.
MS-Authenticator: If the mobile phone changes, remember to de-register first, before a new one can be registered.