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Bitwarden has launched a new authenticator app
(bitwarden.com)
This is a most excellent place for technology news and articles.
There is not much difference between having two apps (password manager and authenticator app) or one app, that does both on the same device.
So, if you want more security, then you have to deal with a hardware token and never with a authenticator app. But then if you loose your token, then you have trouble.