Best Vpd Vapor Pressure Calculator Apps

203+ iOS apps curated and reviewed

4.3 avg rating
19 free apps
Updated June 2026

Every iPhone needs a few good vpd vapor pressure calculator apps. We benchmark 203+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Top Picks for Vpd Vapor Pressure Calculator

VPD Vapor Pressure Calculator#1

VPD Vapor Pressure Calculator by harry bloch

Dial In Your Grow Environment
Editor's Choice
🔧 Utilities
2.6(9 ratings)
FreeAdsIn-App Purchases
VPD Vapor Pressure Calculator screenshot 1
VPD Vapor Pressure Calculator screenshot 2
VPD Vapor Pressure Calculator screenshot 3
VPD Vapor Pressure Calculator screenshot 4
VPD Vapor Pressure Calculator screenshot 5

This application helps optimize your grow environment by calculating Vapor Pressure Deficit (VPD) to ensure the perfect balance between air moisture and plant needs, maximizing yield and promoting healthy growth. By regulating temperature, humidity, and other environmental factors, you can create ideal conditions for hydroponic systems, no-till farming, and organic gardening, and start growing smarter today.

VPD Chart#2

VPD Chart by INNOVO DEV S.R.L.

Democratization of VPD
Strong Contender
🔧 Utilities
4.5(26 ratings)
FreeIn-App Purchases
VPD Chart screenshot 1
VPD Chart screenshot 2
VPD Chart screenshot 3
VPD Chart screenshot 4
VPD Chart screenshot 5
VPD Chart screenshot 6

An app that calculates VPD using temperature and humidity inputs, generates charts, and offers features like crop-specific settings and Bluetooth device compatibility for automated readings. Explore VPD dynamics interactively and visualize crop conditions effectively.

Dr. Greenhouse VPD Calculator#3

Dr. Greenhouse VPD Calculator by Dr Greenhouse Inc

Calculate your VPD
Worth Considering
📊 Productivity
5.0(6 ratings)
Free
Dr. Greenhouse VPD Calculator screenshot 1
Dr. Greenhouse VPD Calculator screenshot 2
Dr. Greenhouse VPD Calculator screenshot 3

This tool helps you calculate the Vapor Pressure Deficit of your grow room's air by inputting temperature and relative humidity, providing a color-coded result to guide optimal climate conditions for various plant types and growth stages. Try it out to determine the ideal environment for your plants and optimize their growth.

More Vpd Vapor Pressure Calculator apps to explore

4
Photone - Grow Light Meter
Photone - Grow Light Meter
Photone - Grow Light Meter
Perfectly light your plants!
Free

An app designed to help optimize plant lighting by measuring PAR, lux, and kelvin, aiding in maximizing yield while minimizing energy consumption. Additionally, it offers helpful articles, a plant lighting calculator, and a Pro subscription for advanced features and resources to support plant growth. Visit the website to learn more.

🔧 Utilities
(4.9K)
5
Pulse Grow
Pulse Grow
Pulse Grow
Grow Room Monitoring
Free

This application allows for remote monitoring of environmental conditions, including temperature, humidity, light, and air quality, to help optimize growth. With custom alerts and integrated journaling, users can stay on top of their grow and make data-driven decisions to improve results.

🔧 Utilities
(29)
6
HVACR Check & Charge
HVACR Check & Charge
HVACR Check & Charge
PT Charts Superheat Subcooling
Free

HVACR Check is a powerful tool for HVAC technicians that streamlines equipment checklists, service reports, and maintenance workflows. Simplify your work processes and stay organized with this all-in-one solution.

🔍 Reference
(16K)
7
McCalc Fusion Calculator
McCalc Fusion Calculator
McCalc Fusion Calculator
HDPE/PP Pressure Calculator
Free

This calculator helps you find the correct fusion pressure for HDPE and Polypropylene pipe fusion jobs by selecting your fusion machine and entering pipe size and pressure requirements. Try it now to take the guesswork out of pipe fusion and get the recommended theoretical gauge pressure for your project.

💼 Business
(18)
8
P-T Calculator
P-T Calculator
P-T Calculator
by National Refrigerants, Inc.
Free

This comprehensive calculation tool helps HVAC/R technicians with pressure/temperature relationships, superheat/subcool temperatures, and refrigerant calculations, featuring automatic altitude correction and unit conversions. Download the app to easily perform calculations, access refrigerant information, and utilize handy tools to streamline your work.

🔍 Reference
(51)
9
Light Meter LM-3000
Light Meter LM-3000
Light Meter LM-3000
Simple & accurate measurement!
Free

Measure light intensity accurately with the Light Meter LM-3000 app, offering a user-friendly interface for quick and precise readings. Enhance your lighting setups with this essential tool.

🔧 Utilities
(2.4K)
10
Dew Point Humidity Calculator
Dew Point Humidity Calculator
Dew Point Humidity Calculator
Relative Wet Bulb Temperature
Free

This app calculates the dew point temperature at which air moisture converts into water, allowing users to find the saturation point of atmospheric air. With two calculators, users can determine dew point from air temperature and relative humidity, or calculate relative humidity and dew point using dry bulb, wet bulb, or dew point temperatures.

🔧 Utilities
(52)
11
Pipe Flow Wizard - Calculator
Pipe Flow Wizard - Calculator
Pipe Flow Wizard - Calculator
Flow Rate & Pressure Loss Calc
Free

This fluid flow rate and pressure loss calculator app helps engineers perform calculations for pipe systems, including flow rate, pressure drop, pipe diameter, and maximum pipe length, for both liquid and gas flow. Download the app to easily calculate and share results, and consider a subscription for full access to all features and no calculation restrictions.

🔧 Utilities
(98)
12
Sporty's E6B Flight Computer
Sporty's E6B Flight Computer
Sporty's E6B Flight Computer
Calculator for pilots
$9.99

A versatile aviation calculator designed for pilots with 27 functions for navigation, conversion, and fuel calculations. Features an advanced timer and clock for tracking multiple time zones. Experience efficient problem-solving and arithmetic calculations for smooth flight operations.

🗺️ Navigation
(5K)
13
Elkhart Hard Facts Calculator
Elkhart Hard Facts Calculator
Elkhart Hard Facts Calculator
by Elkhart Brass
Free

This application provides a comprehensive set of calculators for accurate flow testing, including various nozzle reactions, pump discharge pressures, and fire flow formulas, all in one easy-to-use tool. Download the application to streamline your calculations and access helpful video tutorials on flow testing and more.

🔧 Utilities
(12)
14
Refrigerant Charge Calculator
Refrigerant Charge Calculator
Refrigerant Charge Calculator
HVACR Check PT Chart Superheat
Free
🔧 Utilities
(0)
15
HVAC PT Chart
HVAC PT Chart
HVAC PT Chart
HVAC Pressure/Temp Charts
Free

This electronic pressure temperature calculator allows HVAC technicians and contractors to quickly look up temperature and pressure values for over 100 common refrigerants, with features to input and calculate values, display refrigerant properties, and email results. With this tool, users can easily access and utilize pressure-temperature charts, making it a valuable resource for HVAC professionals.

📊 Productivity
(8)
16
Calculator of Air
Calculator of Air
Calculator of Air
Psychrometric Charts Tool
Free

This application allows users to easily calculate various humidity-related values, such as dew point temperature and relative humidity, by inputting just two of six supported items. Try it out and get accurate calculations for your psychrometric chart needs!

📊 Productivity
(14)
17
Phoenix Psychrometric Calculator
Phoenix Psychrometric Calculator
Phoenix Psychrometric Calculator
by Therma-Stor, LLC
Free

This application provides quick and easy access to psychrometric calculations, allowing users to track their job effectively by calculating dew point, grains per pound, and dehumidifier performance. Simply enter temperature and relative humidity, and the app outputs the corresponding calculations, giving users valuable insights in the palm of their hand.

📊 Productivity
(3)
18
GE Moisture Calculator
GE Moisture Calculator
GE Moisture Calculator
by General Electric Company
Free

This application converts dew point and pressure to moisture content in parts per million and relative humidity, allowing users to easily calculate moisture levels in ideal gases. Try it out and provide feedback to help shape future updates with new features.

💼 Business
(8)
19
Psychrometer °F
Psychrometer °F
Psychrometer °F
Calculate comfort.
Free

This application calculates comfort levels based on temperature and humidity, providing accurate air condition readings and allowing users to easily input values using a dial. By inputting temperature and humidity, dew point temperature, or wet-bulb temperature, users can obtain various air condition metrics and assess comfort levels, making it a useful tool for evaluating and adjusting environmental conditions.

📊 Productivity
(125)
20
Dri-Eaz Psychrometric Calc
Dri-Eaz Psychrometric Calc
Dri-Eaz Psychrometric Calc
Psychrometric Calculator
Free

This psychrometric calculator quickly and easily computes drying environment variables, allowing users to enter temperature and relative humidity to calculate grains per pound and access advanced calculations. Try it now to instantly determine vapor pressure, air dew point, and more, with easy-to-use definitions for all terms.

🔧 Utilities
(12)