Calculator of Air at App Store analyse

App power index: 210 (based on ranks around App Stores today)
Utilities Productivity
Developer: yoshihito sakagami
Price: 0 free
Current version: 1.1.4, last update: 4 years ago
First release : 12 May 2016
App size: 4.69 Mb
4.0 ( 320 ratings )
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Estimation application downloads and cost

> 4.62k
Monthly downloads
~ $ 1.89k
Estimation App Cost


---- Very easy "Psychrometric Charts" calculator! ----

If you use this app, you can very easily calculate humidity, dew point temperature, etc.
The app supports 6 items, "dry bulb temperature", "wet bulb temperature", "dew point temperature", "relative humidity", "humidity ratio" and "enthalpy".
If you enter the any 2 of the items and tap “ENTER”, the app is automatically calculate other items.
You can refer to more items(plus 6 items) by use the app and sister app "HumidCalc" in combination(additional features since version 1.0.7).
For example, if you use this function, you can know specific-volume when you know dew point temperature and relative humidity.
Input range is the temperature is -273.15 ℃ to 99.97 ℃ (-459.67 ° F to 211.95 ° F), the humidity ratio is 0 kg/kg to 1 kg/kg (0 lb/lb to 1lb/lb) and the relative humidity is 0 %RH to100 %RH.
If you enter an abnormal number (for example, high wet-bulb temperature than the dry-bulb temperature), makes us known in the error display.
The app can be used in Celsius temperature (℃) or Fahrenheit temperature (° F) and Click-Sound also can be of choice turned ON / OFF.

※ 1: If you are using a 3.5 inches device, and if you want to change the setting of temperature unit or click sound, yu can change by the iOS devices Settings app.
※ 2: Atmospheric pressure is fixed at the standard atmospheric pressure (1013.25hPa / 29.92inHg).


- Disclaimer 1.
Please input and use the temperature range(0 ℃ to 40 ℃ / 32°F to 104°F ) according to common sense as much as possible. If you enter an extreme value correct calculation result may not appear.

- Disclaimer 2.
We are making as much as possible precise calculation result is output, but there are cases where errors due to technical problems, such as floating point results.

- Disclaimer 3.
We are not liable for any damage caused by the use of this application does not bear all of the responsibility.
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# Term Store county Place Priority
1 dbt 19 ⭐️⭐️⭐️⭐️
Available in countries
Country Price
Canada free
China free
France free
Germany free
Italy free
Netherlands free
Portugal free
Spain free
Poland free
UK free
India free
Japan free
Korea, Republic Of free
Poland free
Russia free
Turkey free
USA free
Korea, Republic Of free
Ukraine free
Available for devices
iPhone3GS, iPhone4, iPodTouchFourthGen, iPad2Wifi, iPad23G, iPhone4S, iPadThirdGen, iPadThirdGen4G, iPhone5, iPodTouchFifthGen, iPadFourthGen, iPadFourthGen4G, iPadMini, iPadMini4G, iPhone5c, iPhone5s, iPadAir, iPadAirCellular, iPadMiniRetina, iPadMiniRetinaCellular, iPhone6, iPhone6Plus, iPadAir2, iPadAir2Cellular, iPadMini3, iPadMini3Cellular, iPodTouchSixthGen, iPhone6s, iPhone6sPlus, iPadMini4, iPadMini4Cellular, iPadPro, iPadProCellular, iPadPro97, iPadPro97Cellular, iPhoneSE, iPhone7, iPhone7Plus, iPad611, iPad612, iPad71, iPad72, iPad73, iPad74, iPhone8, iPhone8Plus, iPhoneX, iPad75, iPad76, iPhoneXS, iPhoneXSMax, iPhoneXR, iPad812, iPad834, iPad856, iPad878, iPadMini5, iPadMini5Cellular, iPadAir3, iPadAir3Cellular, iPodTouchSeventhGen, iPhone11, iPhone11Pro, iPadSeventhGen, iPadSeventhGenCellular, iPhone11ProMax, iPhoneSESecondGen, iPadProSecondGen, iPadProSecondGenCellular, iPadProFourthGen, iPadProFourthGenCellular,