No. You can submit sightings, use the HydroLibrary, and view the Live Data Map without an account. An optional free account (called MyHydroscape) lets you see all your own submissions in one place, earn badges, and track your personal impact.

In short: every core recording tool works without an account.

If you create a free account, you get a personal dashboard at my-hydroscape that shows:

You also get notifications when your sightings are verified by our AI, and email updates if we ship something major.