Simple and straightforward
Finally, a clean VPD app that doesn’t have banners all over it or confusing nonsense that’s not needed.
HHouzhead
Saved me SOO much time!!
I love this app best time saver EVERRRRR!!
Jjohnjohn1018
$0.99
Details
About
This tool provides instant calculations for vapor pressure deficit, a key metric for plant growth. It allows growers to quickly assess environmental conditions in controlled spaces like greenhouses and indoor gardens by inputting temperature and humidity data.
✓Air VPD calculation
✓Leaf VPD calculation
✓Temperature and humidity inputs
✓Optional leaf-temperature input
✓Fast, simple interface
✓Clear environmental feedback
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What's New in VPD
1.0.1
September 22, 2026
Improved App Store information and discoverability, plus minor refinements for a smoother experience.
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FAQ
What is VPD: Air & Leaf Calculator used for?
VPD: Air & Leaf Calculator is used to monitor plant-growing conditions by calculating vapor pressure deficit. This helps growers understand the relationship between their environment and plant transpiration.
How does VPD: Air & Leaf Calculator calculate VPD?
You can enter air temperature and relative humidity for an instant Air VPD result. For a more precise Leaf VPD calculation, you can also add leaf temperature.
Is VPD: Air & Leaf Calculator free to use?
No, VPD: Air & Leaf Calculator is a paid application. It is priced at $0.99.
Does VPD: Air & Leaf Calculator have ads?
No, VPD: Air & Leaf Calculator does not contain advertisements. It is an ad-free application.
What devices support VPD: Air & Leaf Calculator?
VPD: Air & Leaf Calculator is supported on iPhone and iPad devices.
What is the age rating for VPD: Air & Leaf Calculator?
The age rating for VPD: Air & Leaf Calculator is 4+.
How often is VPD: Air & Leaf Calculator updated?
The latest version, 1.0.1, was last updated on September 22, 2026. Updates provide ongoing improvements and reliability.
Does VPD: Air & Leaf Calculator require an account?
No, VPD: Air & Leaf Calculator does not require an account. There is no complicated setup involved; you can simply enter your conditions and get your VPD.