VPD Chart

Democratization of VPD

Free · In-App Purchases · Designed for iPad

Vapor Pressure Deficit (VPD) chart and calculator for controlled environment horticulture (grow tent, greenhouse). Automated with sensor integration. 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/

Ratings & Reviews

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• Crops section with crop creation and customization • ThermoPro TP351 model integration via bluetooth • Bugfixes

Version 2.0.7

The developer, INNOVO DEV S.R.L., indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Linked to You

    The following data may be collected but it is not linked to your identity:

    • Purchases
    • Usage Data

Privacy practices may vary based, for example, on the features you use or your age. Learn More

Accessibility

The developer has not yet indicated which accessibility features this app supports. Learn More

Information

  • Provider
    • INNOVO DEV S.R.L.
  • Size
    • 69 MB
  • Category
    • Utilities
  • Compatibility
    Requires iOS 15.1 or later.
    • iPhone
      Requires iOS 15.1 or later.
    • iPad
      Requires iPadOS 15.1 or later.
    • iPod touch
      Requires iOS 15.1 or later.
    • Mac
      Requires macOS 12.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
  • Age Rating
    4+
  • In-App Purchases
    Yes
    • VPD Chart Plus (monthly) USD 2.99
    • VPD Chart Plus (annual) USD 29.99
    • Learn More
  • Copyright
    • © 2025 Innovo Dev S.R.L.
  • Developer Website
  • Privacy Policy

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