Generated terms
These terms describe the generated web edition of EngiRef. Replace or extend them with your final legal terms before a public production launch.
EngiRef
Terms
Usage terms for the EngiRef web edition: local workflows, premium subscriptions, and reference-value safety.
none-by-defaultTrackingNo analytics are added by the generator.
7Managed keysScoped browser-local storage keys.
RevenueCatPaymentsHandled by RevenueCat & Stripe; no card data stored.
2026-06-17UpdatedReview before public production launch.
Use of app output
Learning material, calculations, conversions, quizzes, media output, and reference content are provided as app functionality. Users should verify important results before relying on them for professional, academic, financial, medical, legal, safety, or travel decisions.
Premium features
EngiRef Premium unlocks multi-material compare with CSV export, custom formulas, the unlimited quiz across every discipline, and full calculation history. Subscriptions (weekly or yearly) renew automatically and can be cancelled anytime from the link in your receipt email; lifetime is a one-time payment. Billing, refunds, and subscription management are handled by RevenueCat and Stripe under their terms.
Local data and accounts
EngiRef stores all your data locally in this browser. There are no accounts and no server database; export your data as JSON from the Data route to move it between browsers or devices.
Reference values and safety
Formulas, materials data, reference tables, physical constants, conversions, and quiz content are provided for study and quick reference only — not as safety-critical engineering advice. Verify all values against current standards, codes, and manufacturer data before relying on them for design, professional, academic, or safety decisions.
Production review
These generated pages are a production-readiness scaffold. Confirm the final company name, support contact, hosting region, payment processor, and any analytics or backend vendors before public launch.