# Absolute Humidity — for HomeKit & SwitchBot Meters > Calculates and displays absolute humidity from temperature and relative humidity data. (iPhone/iPad app by Yuta Hirobe.) - Source: https://appshunter.io/ios/app/absolute-humidity/id1640356804 (this page in markdown: same URL + `.md`) - Developer: [Yuta Hirobe](https://appshunter.io/developer/572236713) - Category: Lifestyle, Health & Fitness - Price: Free with in-app purchases - Rating: 4.50/5 from 2 App Store ratings · 10 written reviews indexed - Age rating: 4+ - Requires: iOS 18.0 · 12 MB - Languages: American English, Japanese - Released: 2022-09-23 - Data updated: 2026-08-23 - Monetization: free with in-app purchases - User reviews in markdown: https://appshunter.io/ios/app/absolute-humidity/id1640356804/reviews.md ## What is Absolute Humidity? Support your comfortable environment! “Absolute Humidity” is an application that calculates and displays absolute humidity using temperature and relative humidity data obtained from a thermohygrometer. It is designed so that the comfort level can be understood at a glance with numerical values ​​and visuals. In addition, you can get weather information of any area you set and display the current absolute humidity and forecasts (Pro version only). ■ Thermo-hygrometer device SwitchBot Meter, SwitchBot Meter Plus, SwitchBot Meter Pro, SwitchBot Meter Pro (CO2 Monitor), SwitchBot Indoor/Outdoor Thermo-Hygrometer, SwitchBot Hub 2, and HomeKit accessories registered in the Home app are available. If you using SwitchBot devices without a hub, data is displayed only within the range of Bluetooth communication with the thermo-hygrometer. Outside the Bluetooth communication range, such as on the go, data will be displayed only when the SwitchBot cloud service is set to cooperate. ■ Absolute humidity method The absolute humidity display supports both volumetric absolute humidity (g/m3) and gravimetric absolute humidity (g/kg). ■About subscription In the free version, the number of thermo-hygrometers that can be displayed is limited to 4, and advertisements are displayed in the app. The paid subscription “Absolute Humidity Pro” has no display restrictions or advertisements. As an Amazon Associate “Absolute Humidity” earns from qualifying purchases. ## Key features - Absolute humidity calculation - Supports HomeKit & SwitchBot meters - Comfort level visualization - Weather information (Pro version) - Volumetric & gravimetric humidity display - Ad-free experience (Pro version) ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | Monthly Plan | $1.99 | per month | | Annual Plan | $17.49 | per year | ## Recent user reviews (10 of 10) All indexed reviews: https://appshunter.io/ios/app/absolute-humidity/id1640356804/reviews.md ### 5/5 — Fanatic App for Monitoring Room Environment and Humidity *2025-01-06* It’s really a fantastic app for monitoring the entire room environment at a glance. It’s easy to read and understand everything about humidity. ### 3/5 — 出先から確認できない。 *2024-12-16* この一年問題なく使用できておりましたが、急にトークンとシークレットを入れても出先から確認ができなくなりました。 ### 2/5 — 温度計単体では使えません *2023-12-04* そもそもBluetoothが認識してくれないのでswichbot hubがないと認識してくれない。 ハブが無い場合は公式アプリでユーザー登録してようやく表示されるという感じであったので残念ながら用途に合わなかった。 ### 4/5 — とても見やすい *2023-11-05* 純正のSwitch Botよりも直感的にわかりやすい表示です。 履歴も見れるようになるとさらに良いと思いますが、そこは純正のアプリと使い分けてます。 星−1としたのは、Pro版で天気予報の地点登録ができないからです。アプリを再起動してもインストールからやり直してもできませんでした。改善を求めます。 ### 5/5 — すごく見やすい *2023-08-02* 欲張りかもしれませんが、こういうのでApple Watchで見れるようになって欲しいです、、、 ### 5/5 — 欲しかったApp *2023-02-01* インスタで紹介されているのを見て、速攻でインストールしました。 これまで絶対湿度を計算できるサイトでわざわざ確認してましたが、これは一瞬で全部屋の絶対湿度を視覚的にも確認でき素晴らしいです。 SwitchBot公式Appのように温湿度を確認できるウィジェット機能がPro版に追加されればすぐ購入します！ ### 5/5 — みんな待ってた *2023-01-08* ○ 見やすく使いやすい ○ Switch botと連携できている ログを取れるとさらに良い！ ですが、この機能的なところで少しだけ高いなと思ってPro版には手が出ません 競合が出る前に機能アップを願います！ ### 4/5 — 便利に使っています *2022-12-25* 絶対湿度を測って結露の対策をしたくなり調べていたところ、私が持っているswitchbotの温湿度計とこのアプリが使えることが判り、早速ダウンロードしました。iPhone、iPad、iPad miniのどれでも手元にあるもので、南北二カ所に置いた湿度計の値をすぐ確認できて便利です。星5つとしたかったところですが、ログが取れるようになれば最高です。夜間や外出中の状態も把握できるようにしたいので期待しております。 ### 5/5 — 高気密高断熱住宅の必需品 *2022-12-04* 素晴らしいアプリ！夏の湿度管理もリアルタイム！オプションでもいいので経過グラフが欲しい ### 5/5 — メチャクチャありがたい神アプリ *2022-10-27* 有料版にて利用してます。 毎日何度も確認する神アプリ！Switchbotに表示されなかった絶対湿度が一瞬で表示！コンパクトモードにすると一目で多くの温度計を確認出来るし、詳細タップで露点温度やエンタルピーの確認も出来る。 欲を言うとデータログまで取れたら最高です！望み過ぎでしょうか（笑）更なるアップデートをお待ちしております！ ## Frequently asked questions about Absolute Humidity ### What is Absolute Humidity? Absolute Humidity is an application that calculates and displays absolute humidity using temperature and relative humidity data from connected thermohygrometers. It helps users understand their environmental comfort level with numerical values and visuals. ### What devices does Absolute Humidity support? Absolute Humidity supports SwitchBot Meter, SwitchBot Meter Plus, SwitchBot Meter Pro, SwitchBot Indoor/Outdoor Thermo-Hygrometer, SwitchBot Hub 2, and HomeKit accessories registered in the Home app. Data from SwitchBot devices without a hub is available within Bluetooth range or via cloud service. ### What are the differences between the free and Pro versions of Absolute Humidity? The free version of Absolute Humidity limits the number of displayed thermohygrometers to 4 and includes advertisements. The paid 'Absolute Humidity Pro' subscription removes display restrictions and advertisements. ### Does Absolute Humidity have ads? Yes, the free version of Absolute Humidity contains advertisements. The 'Absolute Humidity Pro' subscription offers an ad-free experience. ### How much does Absolute Humidity Pro cost? Absolute Humidity Pro offers a Monthly Plan for $1.99/month and an Annual Plan for $17.49/year, which includes a 1-month free trial. ### What types of absolute humidity does Absolute Humidity support? Absolute Humidity supports both volumetric absolute humidity (g/m3) and gravimetric absolute humidity (g/kg) for display. ### Can I get weather forecasts with Absolute Humidity? Yes, the Pro version of Absolute Humidity allows you to get weather information for any area you set and display the current absolute humidity and forecasts. ### What is the update frequency for Absolute Humidity? Absolute Humidity was last updated on 2025-09-15 with version 1.2.0, indicating active development and regular updates. ## Version history (last 5 releases) ### 1.2.0 — 2025-09-15 New Design Now supports iOS / iPadOS / visionOS 26 with a refreshed design and Liquid Glass effects for an even more delightful experience with "AbsoluteHumidity". Personalize with Wallpapers Set your favorite photos or images as wallpapers to customize "AbsoluteHumidity" to your personal taste. SwitchBot Hub 3 Support Now supports displaying data from SwitchBot Hub 3. ### 1.1.0 — 2024-11-23 - Added widgets for home screen, lock screen and control center - Fixed support for SwitchBot Meter Pro (CO2 Monitor) ### 1.0.12 — 2024-10-16 - Added support for SwitchBot Meter Pro (CO2 Monitor) ### 1.0.11 — 2024-09-13 - Added support for SwitchBot Meter Pro ### 1.0.10 — 2024-08-21 - Minor improvements ## Apps similar to Absolute Humidity | App | Rating | Price | Category | | --- | --- | --- | --- | | [TempPro Sensor](https://appshunter.io/ios/app/temppro-sensor/id1542573749) | 4.7 (11,379) | Free | Lifestyle | | [SwitchBot](https://appshunter.io/ios/app/switchbot/id1087374760) | 3.4 (824) | Free | Lifestyle | | [SensorPush](https://appshunter.io/ios/app/sensorpush/id1079618265) | 3.9 (182) | Free | Lifestyle | | [Realm: #1 homeowner app](https://appshunter.io/ios/app/realm-1-homeowner-app/id1589251076) | 4.7 (709) | Free | Lifestyle | | [Alarm & Timer](https://appshunter.io/ios/app/alarm-and-timer/id1067755201) | 4.3 (2,208) | Free | Lifestyle | | [AC Infinity](https://appshunter.io/ios/app/ac-infinity/id1481751004) | 4.1 (821) | Free | Lifestyle | ## More apps by Yuta Hirobe - [Spendable - Managing Balance](https://appshunter.io/ios/app/spendable-managing-balance/id572236710) - [ActivityDiary for Moves](https://appshunter.io/ios/app/activitydiary-for-moves/id689759403) - [CannedText Clipboard Keyboard](https://appshunter.io/ios/app/cannedtext-clipboard-keyboard/id919137334) - [Pictalive](https://appshunter.io/ios/app/pictalive/id1051411202) - [Koyomi - Simple Calendar](https://appshunter.io/ios/app/koyomi-simple-calendar/id6572303117) All apps by Yuta Hirobe: https://appshunter.io/developer/572236713 ## Related topics [absolute humidity](https://appshunter.io/ios/topics/absolute-humidity) · [yuta hirobe](https://appshunter.io/ios/topics/yuta-hirobe) · [indoor humidity app checker](https://appshunter.io/ios/topics/indoor-humidity-app-checker) --- *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.*