Building a 100% offline health utility in a cloud-first world

Many modern health apps require an account, cloud connectivity, and telemetry just to calculate basic formulas. We designed Nod with a strict privacy-first, zero-cloud architecture—everything stays on your device with no trackers.

• Would you like to see exportable local backups (e.g., encrypted JSON/CSV), or is zero-setup local persistence enough?

• What other privacy-first health tools do you rely on daily?