VPD Tool
Nicholas Hwang
About this app
- Age 10
- Updated Aug 19, 2025
- OS IOS
Editor reviews
VPD Tool is a lightweight utility that calculates vapor pressure deficit (VPD) using local weather data or connected sensors to help growers optimize plant health. Core features include real-time VPD calculation and short-term forecasts, seamless integration with weather services and Bluetooth/IoT sensors, and clear recommendations with customizable alerts. The app provides intuitive charts and data export for record keeping, making it easy for home growers, greenhouse managers, and agronomists to maintain ideal humidity and temperature conditions. Keywords: VPD calculator, vapor pressure deficit, weather app, greenhouse management.
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How to use:
1. Download and install VPD Tool, then grant location access or enter your growing location manually.
2. Connect a sensor via Bluetooth/IoT or select a weather data source in Settings to enable real-time readings.
3. Open the dashboard to view current VPD, temperature, humidity, and forecast charts.
4. Review the app’s recommended humidity and temperature ranges and follow the guidance to adjust your environment.
5. Set alert thresholds for VPD changes and export or share data for tracking and analysis.