Product privacy
AQI to Cigarettes Calculator
Updated July 18, 2026
Plain-language summary
The calculator publishes product-specific terms and methodology on its website.
Product data
This page describes the general privacy posture of the current public release. Individual features may use Apple system services such as in-app purchase, HealthKit, camera, photos, or device-to-device sync, only when you choose or authorize those features.
Third-party platforms
Apple may process downloads, purchases, restores, and diagnostic information under its own terms. Web products publish more specific privacy information on their own sites.
Your choices
You can withdraw optional permissions in system settings and remove the app and its local data. Contact us for questions about specific data or deletion paths.