# Quest Psychrometric Calculator > Psychrometric calculations for temperature, humidity, dew point, and dehumidifier performance. (iPhone/iPad app by Therma-Stor, LLC.) - Source: https://appshunter.io/ios/app/quest-psychrometric-calculator/id422237818 (this page in markdown: same URL + `.md`) - Developer: [Therma-Stor, LLC](https://appshunter.io/developer/380722235) - Category: Productivity, Utilities - Price: Free - Rating: 5.00/5 from 2 App Store ratings · 6 written reviews indexed - Age rating: 4+ - Requires: iOS 5.1.1 · 1 MB - Languages: American English - Released: 2011-03-03 - Data updated: 2026-06-02 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/quest-psychrometric-calculator/id422237818/reviews.md ## What is Quest Psychrometric Calculator? The Quest Psychrometric Calculator app provides quick and easy access to calculations such as dew point, grains per pound, and dehumidifier performance. Simply spin the wheels to enter temperature and relative humidity. The app will output the corresponding dew point or grains per pound, giving you the insight you need to monitor your job effectively. Additionally, you can use the dehumidifier performance function to calculate water removal by selecting your dehumidifier’s CFM and entering its intake and exhaust conditions. The Quest Psychrometric Calculator puts all the calculations you need in the palm of your hand. The Quest Psychrometric Calculator app is brought to you by Quest, the construction industry leader in performance, efficiency, and reliability. ## Key features - Dew point calculation - Grains per pound calculation - Dehumidifier performance calculation - Temperature and humidity input - Water removal calculation ## Recent user reviews (6 of 6) All indexed reviews: https://appshunter.io/ios/app/quest-psychrometric-calculator/id422237818/reviews.md ### 5/5 — Nice *2012-01-13, version 1.1* Works great ### 5/5 — Great app. *2011-06-09, version 1.0* Very easy to use. ### 5/5 — Great App *2011-06-09, version 1.0* Simple and accurate. Works as described. ### 5/5 — great app *2011-03-07, version 1.0* Very quick and convenient way to calculate dew point and determine moisture loads. ### 5/5 — Perfect tool for calculating moisture loads *2011-03-05, version 1.0* This app is a great tool for calculating moisture loads. I use it to determine dehumidifier performance as well as the amount of moisture brought into a structure by ventilation. A perfect companion tool to go along with Quest Climate Control products! Nice job Quest. ### 5/5 — Construction King *2011-03-03, version 1.0* Great app. Thanks ## Frequently asked questions about Quest Psychrometric Calculator ### What psychrometric calculations can Quest Psychrometric Calculator perform? Quest Psychrometric Calculator can quickly calculate dew point, grains per pound, and dehumidifier performance. It allows users to input temperature and relative humidity to get these essential values. ### How do I use Quest Psychrometric Calculator to find the dew point? To find the dew point with Quest Psychrometric Calculator, simply spin the wheels to enter the current temperature and relative humidity. The app will then display the corresponding dew point value. ### Can Quest Psychrometric Calculator help me understand my dehumidifier's efficiency? Yes, Quest Psychrometric Calculator features a dehumidifier performance function. You can calculate water removal by inputting your dehumidifier's CFM and its intake and exhaust conditions. ### What devices is Quest Psychrometric Calculator available on? Quest Psychrometric Calculator is available on iPhone and iPod devices. It is designed for mobile use, putting these calculations in the palm of your hand. ### Is Quest Psychrometric Calculator free to use? Yes, Quest Psychrometric Calculator is completely free to download and use. There are no costs associated with accessing its psychrometric calculation features. ### How often is Quest Psychrometric Calculator updated? The latest version of Quest Psychrometric Calculator is 1.4, which was last updated on November 24, 2015. While updates have not been frequent recently, the app remains functional for its core purpose. ### What is the age rating for Quest Psychrometric Calculator? Quest Psychrometric Calculator has an age rating of 4+. This indicates it is suitable for users of all ages and does not contain content inappropriate for younger audiences. ### Does Quest Psychrometric Calculator have ads? No, Quest Psychrometric Calculator does not contain advertisements. The app is ad-free, providing an uninterrupted user experience for its calculations. ## Version history (last 5 releases) ### 1.4 — 2015-11-24 This app has been updated by Apple to display the Apple Watch app icon. Updated art assets. ### 1.3 — 2013-11-22 * Support iOS 7 * Email Sharing of results ### 1.2 — 2012-12-04 ★ New Features ★ - iPhone 5 graphic updates - 4-inch retina display support ☁ Bug Fixes ☁ ☂ Fixed bug preventing temperature & dew-point settings from being saved ### 1.1 — 2011-10-21 Fixed update issue with dewpoint iOS 5 support ### 1.0 — 2011-03-02 No release notes. ## Apps similar to Quest Psychrometric Calculator | App | Rating | Price | Category | | --- | --- | --- | --- | | [HCF: Hardcore Focus](https://appshunter.io/ios/app/hcf-hardcore-focus/id6720709211) | 5.0 (9) | Free | Productivity | | [HVAC Pipe Sizer - Liquid](https://appshunter.io/ios/app/hvac-pipe-sizer-liquid/id325069065) | — | $4.99 | Productivity | | [Get ATRA](https://appshunter.io/ios/app/get-atra/id6744064699) | — | Free | Productivity | | [FlyCarpet Psychrometric Calc](https://appshunter.io/ios/app/flycarpet-psychrometric-calc/id6449952495) | — | Free | Productivity | | [Psychrometer °F](https://appshunter.io/ios/app/psychrometer-f/id650395794) | 4.6 (125) | Free | Productivity | | [Simplicity Mobile](https://appshunter.io/ios/app/simplicity-mobile/id1541205396) | 5.0 (6) | Free | Productivity | ## More apps by Therma-Stor, LLC - [Phoenix Psychrometric Calculator](https://appshunter.io/ios/app/phoenix-psychrometric-calculator/id380722232) - [Ultra-Aire Psychrometric Calculator](https://appshunter.io/ios/app/ultra-aire-psychrometric-calculator/id502661019) - [Santa Fe Psychrometric Calculator](https://appshunter.io/ios/app/santa-fe-psychrometric-calculator/id1055753004) - [Santa Fe Sentry](https://appshunter.io/ios/app/santa-fe-sentry/id1103304139) - [Santa Fe Connect](https://appshunter.io/ios/app/santa-fe-connect/id1201392122) All apps by Therma-Stor, LLC: https://appshunter.io/developer/380722235 ## Related topics [calculate dewpoint](https://appshunter.io/ios/topics/calculate-dewpoint) · [dew point calculator](https://appshunter.io/ios/topics/dew-point-calculator) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-02.*