The app calculates VPD using air temperature, relative humidity, and canopy temperature. View real-time VPD values on an interactive chart. Connect sensors for automated readings or manually input data via intuitive sliders and text inputs.

Key features:
• Interactive VPD chart with manual input
• Default crop types
• Organize charts by assigning them to different zones
• Display spots that share the same VPD value
• Dew point area visualization

Supported bluetooth devices:
• SensorPush: HT1, HT.w, HT.xw
• Govee: H5051, H5072, H5074, H5075, H5100, H5101, H5102, H5103, H5104, H5105, H5174, H5177, H5179
• SwitchBot: Meter, Plus, Indoor Outdoor
• Ruuvi: RuuviTag and RuuviTag Pro
• Inkbird: IBS-TH1, IBS-TH1 Plus, IBS-TH2, IBS-TH2 Plus
• ThermoPro: TP351, TP357, TP358, TP359

Supported devices with API connectivity:
• Govee: H5051, H5071, H5103, H5179
• Pulse: One, Pro, Zero
• UbiBot WS1, UbiBot WS1 Pro, UbiBot GS1, UbiBot GS2, UbiBot SP1 with external probe

Educational benefits:
• Interactive Learning: Explore the dynamics of VPD based on changes in temperature and relative humidity by manipulating input sliders and animating the chart
• Canopy - Air Temperature Link: Easily visualize and set values by linking canopy temperature to air temperature
• Chart Bands Control: Toggle chart bands on/off (dew, under transpiration, prop, veg, flower, over transpiration) for a comprehensive understanding

Free: 1 chart with manual input and default crops
VPD Chart Plus subscription unlocks:
• Unlimited charts
• Automated VPD calculation by using sensors as the input data source
• Custom crops use

Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/