# Hygrometer Barometer — Discomfort Index Calculator > Measures humidity, calculates discomfort index, and displays barometric pressure. (iPhone/iPad app by SHIGETO TAKAGI.) - Source: https://appshunter.io/ios/app/hygrometer-barometer/id888520226 (this page in markdown: same URL + `.md`) - Developer: [SHIGETO TAKAGI](https://appshunter.io/developer/519611619) - Category: Utilities, Weather - Price: Free - Rating: 4.30/5 from 152 App Store ratings · 22 written reviews indexed - Age rating: 4+ - Requires: iOS 13 · 11 MB - Languages: English, Japanese - Released: 2014-06-20 - Data updated: 2026-08-23 - Monetization: ad-supported - User reviews in markdown: https://appshunter.io/ios/app/hygrometer-barometer/id888520226/reviews.md ## What is Hygrometer Barometer? A simple popular free humidity meter application that measures the relative humidity of the current location measured by GPS and displays it as a percentage. Calculation function with formula of discomfort index (DI) from humidity and degree of Celsius. Humidity is displayed in badge. Barometric function by pressure sensor (iPhone 6 / Plus or later). Because it is outdoor humidity instead of indoor humidity, it is a reference for outfit clothing. Some areas are excluded. ## Key features - Measures relative humidity via GPS - Calculates discomfort index (DI) - Displays humidity in badge - Barometric pressure readings (iPhone 6+) - Outdoor humidity reference ## Recent user reviews (10 of 22) All indexed reviews: https://appshunter.io/ios/app/hygrometer-barometer/id888520226/reviews.md ### 5/5 — Tolle App *2025-07-13* Sehr einfach, aber genau. Ich habe die Werte mit 2 Geräten für Innen verglichen und 2 Nachbarn waren so freundlich, mir die Werte ihrer Wetterstationen zur Verfügung zu stellen. Abweichung 2% iPhone 13 Mini **Developer response:** Thank you for your review. Please let me know if you have any requests. ### 1/5 — Полная чушь *2025-04-24* Не работает приложение! **Developer response:** Thank you for your review. Please let me know if you have any requests. It works as described. ### 5/5 — Hygrometer *2024-07-22* Gefällt mir gut **Developer response:** Thank you for your review. Please let me know if you have any requests. ### 5/5 — Tornados 😍 *2021-08-11* Good discomfort index calculator ### 5/5 — Tornados 😍 *2021-08-09* Good discomfort index calculator ### 5/5 — Ok-ok *2021-08-08* Nice job ### 5/5 — Good *2021-08-07* It just works. ### 5/5 — AMAZINGGG *2021-08-06* 5 star! ⭐ ### 5/5 — Cool app *2021-08-05* Finally found an app to look after humidity! 😍 ### 5/5 — 5 star *2021-08-04* Nice barometer ## Frequently asked questions about Hygrometer Barometer ### What does the Hygrometer Barometer app do? This app measures the relative humidity of your current location using GPS and displays it as a percentage. It also calculates the discomfort index based on humidity and temperature, and provides barometric pressure readings for compatible iPhones. ### What are the key features of this app? Key features include GPS-based humidity measurement, a discomfort index calculator, humidity display in a badge, and barometric pressure readings using the device's sensor (for iPhone 6 and later). It's designed as a reference for outdoor conditions. ### Is this app free to use? Yes, the app is free to download and use. It is supported by advertisements. ### What devices is this app compatible with? The app measures relative humidity and calculates the discomfort index on most devices. Barometric pressure readings are available on iPhone 6 / Plus or later models that have a pressure sensor. ### How can I use the discomfort index feature? The discomfort index is calculated using a formula that takes into account the measured humidity and the temperature in Celsius. This calculation helps you understand how uncomfortable the current weather conditions might feel. ## Version history (last 5 releases) ### 20260811 — 2026-08-18 User interface improved. ### 20250202 — 2025-02-04 User interface improved. ### 20240108 — 2024-01-09 User interface improved. ### 20230823 — 2023-08-24 User interface improved. ### 20230103 — 2023-01-04 User interface improved. ## More apps by SHIGETO TAKAGI - [Four Formula Calculator](https://appshunter.io/ios/app/four-formula-calculator/id523405542) - [Custom Holiday Calendar](https://appshunter.io/ios/app/custom-holiday-calendar/id524001198) - [Easy Calculators with Cursors](https://appshunter.io/ios/app/easy-calculators-with-cursors/id526231336) - [Dual Mail SNS Editors](https://appshunter.io/ios/app/dual-mail-sns-editors/id527102250) - [Speedometer km/h Odometer](https://appshunter.io/ios/app/speedometer-kmh-odometer/id528218566) - [2026〜2027年（令和8〜9年）友引年間カレンダー](https://appshunter.io/ios/app/2026202789/id529424779) All apps by SHIGETO TAKAGI: https://appshunter.io/developer/519611619 ## Related topics [hygrometer barometer](https://appshunter.io/ios/topics/hygrometer-barometer) · [hygrometer](https://appshunter.io/ios/topics/hygrometer) · [hydrometer](https://appshunter.io/ios/topics/hydrometer) · [humidity meter](https://appshunter.io/ios/topics/humidity-meter) · [room humidity](https://appshunter.io/ios/topics/room-humidity) · [humidity](https://appshunter.io/ios/topics/humidity) · [thermo hygrometer](https://appshunter.io/ios/topics/thermo-hygrometer) · [relative humidity](https://appshunter.io/ios/topics/relative-humidity) --- *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 2026-08-23.*