> No, it's tied to the app because the initial secret is destroyed after you set it up. TOTP is not tied to any app. When you set it up, save the TOTP seed in

> No, it's tied to the app because the initial secret is destroyed after you set it up. TOTP is not tied to any app. When you set it up, save the TOTP seed in a secure place that you control. There is no need to rely on any app, which would be too fragile to consider.