# Heat Index: Wet Bulb — WBGT & Heat Risk Forecast > Heat risk and wet bulb temperature forecasts for the United States. (iPhone/iPad app by Mustafa Kulac.) - Source: https://appshunter.io/ios/app/heat-index-wet-bulb/id6759363962 (this page in markdown: same URL + `.md`) - Developer: [Mustafa Kulac](https://appshunter.io/developer/1782678392) - Category: Weather, Health & Fitness - Price: $2.99 (on sale, was $3.99) - Rating: 5.00/5 from 1 App Store ratings · 1 written reviews indexed - Age rating: 4+ - Requires: iOS 17.0 · 5 MB - Languages: American English - Released: 2026-02-28 - Data updated: 2026-09-02 - Monetization: paid - User reviews in markdown: https://appshunter.io/ios/app/heat-index-wet-bulb/id6759363962/reviews.md ## What is Heat Index? Heat Index: Wet Bulb helps you avoid heat-related illness by showing clear heat conditions and forecasts — with no ads. Designed exclusively for users in the United States. The app uses a U.S.-only data service, so data is not available outside the United States. Key features Current Heat Index and risk level guidance (OSHA/NIOSH-style scale) Current Wet Bulb / WBGT categories (when available) Home Screen widget for at-a-glance Heat Index and WBGT Hourly forecasts with 48-hour trend charts 7-day outlook for planning work and training Fast U.S. location search + optional current location Clean, readable design with modern charts Who it’s for Outdoor workers, coaches, athletes, hikers, safety teams, and anyone planning time outside. Privacy-Friendly No account required. Location is optional and only used when you choose “Use Current Location”. Buy once and use all features forever. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy and Terms
Access our Privacy Policy and Terms and Conditions directly through the app or online. https://emkapps.com/heatindex-privacy-policy/ https://emkapps.com/heatindex-termsconditions/ Data Source Weather data provided by the U.S. National Weather Service ## Key features - Current Heat Index and risk level - Wet Bulb / WBGT categories - Home Screen widget - Hourly forecasts with trend charts - 7-day outlook - U.S. location search ## Chart rankings - #200 in Top Paid · Weather (US App Store) ## Recent user reviews (1 of 1) All indexed reviews: https://appshunter.io/ios/app/heat-index-wet-bulb/id6759363962/reviews.md ### 5/5 — Unique Outstanding Design App! *2026-05-28* I find myself having trouble finding words to express how Unique this App is for this ole man. Now Days due to my ole age and my Health issues it’s not easy for me getting around with my cane 🦯. Before I dare venture out into my world I need to know Mother Nature 🌬️ is really right for me! Sounds easy right, but it’s not and as my Health keeps changing so does the risk factor! So thanks to the Developer of this Unique Outstanding Design App I have learned more about my Heat Factors than I did not know before. The App to look 👀 at seems simple, but it’s not! The Developer has put a great deal of Time Hard Work Sweat and ya Love into the coding of this software! My Friends if you’re reading this then also take the opportunity to Download this Unique 5 Star ⭐️ App and please give it a try! I don’t believe you will be Sorry. ( really ) I would like to take this moment to Thank the Developer for putting out this amazing Unique Outstanding Design app for you myself and our family! So Mr. Developer I truly Tip my Hat 🎩 to you and say Thanks you have truly created a 5 Star 🌟 App! So I am moving on my Friends with the help of this Unique Outstanding Design App and of course my cane 🦯. So with that I Thank the Developer one last time for A wonderful Unique Outstanding Design App. Mr. Developer it’s definitely 👍 a 5 Star ⭐️ App all the way! **Developer response:** Thank you so much for your incredibly kind and heartfelt review. Reading your words truly means a lot to me as the developer. I’m very happy to hear that the app is helping you better understand heat conditions and make safer decisions before going outside. Knowing that it can make even a small positive difference in someone’s daily life is the best reward for all the time and care put into building it. Your support, encouragement, and 5-star rating are deeply appreciated. I sincerely wish you good health, safe days, and many comfortable moments ahead. Thank you again for taking the time to share such a wonderful message. ## Frequently asked questions about Heat Index ### What is the Heat Index app? The Heat Index app provides real-time heat conditions and forecasts, including the Heat Index and Wet Bulb Globe Temperature (WBGT), to help users avoid heat-related illness. It is designed exclusively for users in the United States. ### Is the Heat Index app free? No, the Heat Index app is a paid application. It costs $2.99 and offers all features unlocked with a one-time purchase, with no ads or in-app purchases. ### Does Heat Index have ads? No, the Heat Index app is completely ad-free. The description explicitly states 'no ads' and that all features are available with a single purchase. ### What devices does Heat Index support? Currently, Heat Index is supported on iPhone devices. The app is designed to provide its weather information on iOS platforms. ### How often is Heat Index updated? The latest version of Heat Index was released on July 16, 2026. While specific update frequency isn't detailed, the app is actively maintained by its developer. ### What is the age rating for Heat Index? Heat Index has an age rating of 4+. This indicates it is suitable for users of all ages, with no mature content. ### Can I use Heat Index outside the United States? No, Heat Index is designed exclusively for users in the United States. It utilizes a U.S.-only data service, meaning data is not available outside of the United States. ### How does Heat Index compare to other weather apps? Heat Index focuses specifically on heat-related metrics like Heat Index and WBGT, offering detailed forecasts and risk guidance for outdoor activities. Many general weather apps may not provide this specialized level of heat risk information. ## Version history (last 2 releases) ### 1.0.1 — 2026-07-16 Performance improvements and minor optimizations. ### 1.0.0 — 2026-03-01 No release notes. ## More apps by Mustafa Kulac - [Aesthetic Wallpaper Gallery](https://appshunter.io/ios/app/aesthetic-wallpaper-gallery/id6738866593) - [ReefMate: Aquarium Tracker&Log](https://appshunter.io/ios/app/reefmate-aquarium-tracker-and-log/id6754282635) - [Focus Timer – Pomodoro Timer](https://appshunter.io/ios/app/focus-timer-pomodoro-timer/id6754536139) - [Habit Tracker – Daily Streaks](https://appshunter.io/ios/app/habit-tracker-daily-streaks/id6754610077) - [Swipe Delete: Photo Cleaner](https://appshunter.io/ios/app/swipe-delete-photo-cleaner/id6754748638) - [Caffeine Intake Tracker Log](https://appshunter.io/ios/app/caffeine-intake-tracker-log/id6755601213) All apps by Mustafa Kulac: https://appshunter.io/developer/1782678392 ## Related topics [osha niosh heat index](https://appshunter.io/ios/topics/osha-niosh-heat-index) · [niosh heat index](https://appshunter.io/ios/topics/niosh-heat-index) · [heat index](https://appshunter.io/ios/topics/heat-index) · [osha heat index](https://appshunter.io/ios/topics/osha-heat-index) --- *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 2026-09-02.*