Privacy

No analytics by default

EngiRef does not add advertising trackers, analytics SDKs, or third-party tracking pixels in the generated web code.

• The app can run without user accounts.
• The compatibility runtime is loaded only after explicit user activation.
• Future analytics should be added only after privacy review and consent design.

Browser-local data

Progress, settings, saved records, workspace state, and the local RevenueCat app user id are stored in this browser using scoped localStorage keys.

• web-presence:engiref
• native-practice:engiref
• native-library:engiref
• native-workspace:engiref
• native-settings:engiref
• revenuecat-app-user-id:engiref
• web-locale

User data controls

The /data route lets users inspect, export, import, and reset generated browser-local data for this app without touching unrelated localStorage entries on the same origin.

Payments

Premium subscriptions are processed by RevenueCat Web Billing and Stripe. Your email address and payment details are handled directly by those providers — EngiRef never sees or stores card data. An anonymous purchase id is kept in this browser so your Premium access is recognised on this device; keep your receipt email for account recovery. No RevenueCat key, product id, or entitlement secret is part of your stored data.

Analytics

EngiRef adds no advertising trackers or analytics SDKs in its own code. If Cloudflare Web Analytics is enabled at the hosting layer, it is cookieless and aggregate-only — anonymous page-view counts and performance metrics, with no cross-site tracking and no personal profiles.