Product privacy
AQI to Cigarettes Calculator
2026-09-01
Plain-language summary
The calculator publishes product-specific terms and methodology on its website.
Product data
This page lists only capabilities used by the current public release. Capabilities not listed are not generalized as product behavior.
Beyond the core posture above, this product has no camera, photo, HealthKit, device-sync, or in-app-purchase capability that needs to be listed.
Third-party platforms
The web product publishes more specific privacy information on its own site; its terms apply after you leave YunFanLabs.com.
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.