Privacy Policy
Greenhouse VPD Calculator stores a small set of calculator defaults, saved scenarios, and notes locally on your iPhone so the app can reopen with your preferred temperature workflow and recent climate checks.
What the app collects
Greenhouse VPD Calculator does not collect personal data from you.
Accounts
Greenhouse VPD Calculator does not require account creation or sign-in.
Analytics and tracking
Greenhouse VPD Calculator does not use third-party analytics or ad tracking SDKs.
Data sharing
Greenhouse VPD Calculator does not sell or share your data with third parties.
Data stored on device
Greenhouse VPD Calculator may store the following on device so the app can work offline:
- preferred temperature unit
- last-used air temperature, leaf temperature, and humidity values
- local saved scenarios and notes you choose to keep on device
- calculator defaults needed for offline use
Deleting the app removes locally stored app data unless you have your own backup workflow.
Network access
Version 1.0 does not require a backend service or internet connection for core app use.
Product scope
Greenhouse VPD Calculator is a manual planning and spot-check calculator only. It does not read live sensors, control greenhouse equipment, diagnose plant problems, or guarantee crop outcomes. It is positioned as a general greenhouse and indoor horticulture utility and does not include cannabis-specific content.
Contact
For privacy or support questions about Greenhouse VPD Calculator, email yangguangwin@icloud.com.