[tomschlick]

Also, 1Password has already integrated this into version 7 (in beta). It will let you know if any of your passwords are on HiBP

[xeromal]

I'm still on 4, the non cloud version, so I probably don't get the fancy feature. :(

[shostack]

What happens to your passwords if you stop paying for the cloud version?

[wyoung2]

The apps become read-only, with export functions.

Source: https://support.1password.com/membership-billing-policy/