Best Heatstroke Apps

133+ iOS apps curated and reviewed

3.8 avg rating
19 free apps
Updated August 2026

Whether you're new to heatstroke or looking for an upgrade, our curated collection of 133+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Compare top Heatstroke Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Heatstroke WBGTHeatstroke WBGTFree2.5★ (2)YesNoAug 2026
2HeatstrokeDetectionHeatstrokeDetection$1.99NoNoJul 2026
3OSHA-NIOSH Heat Safety ToolOSHA-NIOSH Heat Safety ToolFree2.6★ (314)NoNoAug 2026
4HeatSafe WBGTHeatSafe WBGTFreeYesYesAug 2026
5Wet Bulb & Safety: HeatCueWet Bulb & Safety: HeatCueFree5.0★ (1)NoYesAug 2026
6Klimo WBGTKlimo WBGTFree4.1★ (9)NoYesAug 2026
7Heat Illness ToolkitHeat Illness ToolkitFreeNoNoMay 2026
8Sports Heat ToolSports Heat ToolFreeNoNoJun 2026

Top Picks for Heatstroke

Heatstroke WBGT#1

Heatstroke WBGT by yoshihito sakagami

Editor's Choice
☀️ Weather
2.5(2 ratings)
FreeAds
Heatstroke WBGT screenshot 1
Heatstroke WBGT screenshot 2
Heatstroke WBGT screenshot 3
Heatstroke WBGT screenshot 4
Heatstroke WBGT screenshot 5

This app measures the outdoor heatstroke index (WBGT) at your current location. It provides alert levels and recommended countermeasures based on official guidelines. Supports multiple languages and temperature units for global use.

2.6😞(314 ratings)
Free
#16in Weather
OSHA-NIOSH Heat Safety Tool screenshot 1
OSHA-NIOSH Heat Safety Tool screenshot 2
OSHA-NIOSH Heat Safety Tool screenshot 3
OSHA-NIOSH Heat Safety Tool screenshot 4
OSHA-NIOSH Heat Safety Tool screenshot 5
OSHA-NIOSH Heat Safety Tool screenshot 6

This tool helps outdoor workers stay safe by providing real-time heat index information and hourly forecasts specific to their location. It offers occupational safety recommendations and details on heat-related illnesses and their first aid.

What We Love

  • 💡 Valuable tool for heat safety
  • 👍 Useful and informative
  • 👍 Precise and accurate
  • 👍 Great for tracking heat index

Room to Improve

  • 🐛 Crashes or doesn't load data
  • 🐛 Inaccurate or inconsistent temperature/heat index readings
  • 🐛 Doesn't work in Canada

More Heatstroke apps to explore

4
HeatSafe WBGT
HeatSafe WBGT
HeatSafe WBGT
Live heat-risk & WBGT safety
Free
☀️ Weather
(0)
5
Wet Bulb & Safety: HeatCue
Wet Bulb & Safety: HeatCue
Wet Bulb & Safety: HeatCue
Heat index, WBGT & alerts
Free

This app provides a clear risk assessment for outdoor activities by calculating the wet-bulb globe temperature (WBGT), which combines heat and humidity. It offers a simple risk band, UV index, and customizable alerts to help users stay safe in various conditions.

Wet-bulb globe temperature (WBGT) calculationClear risk band (Safe, Caution, Danger, Extreme)UV index display
☀️ Weather
(1)
freemium
6
Klimo WBGT
Klimo WBGT
Klimo WBGT
Heat health app based on WBGT
Free

This app provides real-time and forecasted Wet Bulb Globe Temperature (WBGT) for any location. It allows users to document WBGT data and access guideline recommendations from various associations. Basic functionality is free, with an optional subscription for enhanced features.

Real-time WBGT dataFuture WBGT forecastsWBGT data documentation
☀️ Weather
(9)
freemium
7
Heat Illness Toolkit
Heat Illness Toolkit
Heat Illness Toolkit
by Primoris Services Corporation
Free
🔍 Reference
(0)
8
Sports Heat Tool
Sports Heat Tool
Sports Heat Tool
by Federico Tartarini
Free
🔧 Utilities
(0)
9
Body Temperature Tracker
Body Temperature Tracker
Body Temperature Tracker
Fever Tracking & Checker
Free
💪 Health & Fitness
(0)
10
Swelter: Heat Index & Safety
Swelter: Heat Index & Safety
Swelter: Heat Index & Safety
WBGT, wet bulb & heat alerts
Free

This app calculates the Wet Bulb Globe Temperature (WBGT) to assess outdoor heat risk for activities. It provides clear safety flags and hourly forecasts to help you plan outdoor events safely. Get personalized alerts and find the best times for your activities.

WBGT heat stress calculationHourly heat risk timelineBest window for outdoor activity
☀️ Weather
(7)
freemium
11
AIHA Heat Stress App
AIHA Heat Stress App
AIHA Heat Stress App
Stay Safe Wherever You Are
Free

This app uses real-time weather data to calculate heat stress risk for outdoor workers. It provides customized alerts for rest, hydration, and changing conditions, along with safety resources.

Real-time weather data integrationWet Bulb Globe Temperature calculationCustomizable risk scoring
💪 Health & Fitness
(8)
free
12
HeatAlert: Heat Stress Index
HeatAlert: Heat Stress Index
HeatAlert: Heat Stress Index
WBGT Conditions & Monitoring
Free

This application provides real-time Wet Bulb Globe Temperature (WBGT) and detailed weather forecasts for your location. It offers heat stress risk assessments and actionable recommendations to help you stay safe outdoors. Receive location-based insights including temperature, humidity, wind speed, and UV index.

Real-time WBGT valuesLocation-based weather forecastsHeat stress risk assessment
☀️ Weather
(11)
free
13
FirstAidGuides
FirstAidGuides
FirstAidGuides
by Farwiyana Satti
Free
🔧 Utilities
(0)
14
Heat Index: Worksite Safety
Heat Index: Worksite Safety
Heat Index: Worksite Safety
Live sensor heat-break alerts
Free

This app provides real-time heat index readings from a connected worksite sensor. It helps supervisors and managers determine if extra breaks are needed based on current temperature and humidity conditions, ensuring worksite safety.

Live heat index readingsHome Screen widget12-month history chart
🔧 Utilities
(1)
free
15
Heart_Rhythm
Heart_Rhythm
Heart_Rhythm
Finds Stroke Risk
Free

Monitor your heart rhythm using your iPhone camera to assess your stroke risk. The app helps identify potential atrial fibrillation, a major cause of stroke, and calculates your risk score. It also displays nearby hospitals for consultation.

Record heart rhythm via iPhone cameraAssess stroke riskDetect irregular pulse
🏥 Medical
(21)
free
16
Swelter: Heat Index
Swelter: Heat Index
Swelter: Heat Index
Heat Stress, WBGT & Safety
Free
☀️ Weather
(0)
17
EXTREMA Global
EXTREMA Global
EXTREMA Global
Heat risk & cool routes
Free
💪 Health & Fitness
(0)
18
CORE Thermal Sensor
CORE Thermal Sensor
CORE Thermal Sensor
Temperature Monitoring System
Free

This app continuously monitors your core body temperature and thermal strain, providing critical data for heat training and optimal race performance. It helps athletes of all levels improve their training and achieve better results.

Continuous core body temperature monitoringReal-time Heat Strain IndexHeat Zones for training and racing
💪 Health & Fitness
(33)
free
19
Surefoot Winterheat
Surefoot Winterheat
Surefoot Winterheat
Ski Boot Heaters
Free

This app allows remote control of ski boot heating systems. It offers adjustable heat intensity for optimal comfort and performance, ensuring warmer feet during winter activities.

Remote heat intensity controlBluetooth connectivityContinuous heat release
⚽ Sports
(1.8K)
free
20
Heats: Heat Index & UV
Heats: Heat Index & UV
Heats: Heat Index & UV
Feels Like, UV & Sun Safety
Free

This app provides real-time heat index and UV index readings, along with accurate forecasts. It helps users plan outdoor activities and stay safe from dangerous weather conditions.

Real-time heat indexLive UV indexLocation-based weather data
☀️ Weather
(10)
free with in-app purchases

FAQ about Heatstroke

What are the best heatstroke apps for iPhone?
Heatstroke WBGT tops our heatstroke apps ranking as of August 2026, with a 2.5-star average from 2 App Store ratings, and it's free to download.
Yes — 19 of the top heatstroke apps we rank are free to download, including Heatstroke WBGT and OSHA-NIOSH Heat Safety Tool.
Heatstroke WBGT shows ads and has no in-app purchases, according to its App Store listing as of August 2026.
We track 133+ heatstroke apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
The app measures the outdoor WBGT (Wet-Bulb Globe Temperature), which is a measure of the heat stress in direct sunlight, taking into account temperature, humidity, wind speed, and solar radiation. This index is used to determine the risk of heatstroke.
The app aims for precise calculation results, but acknowledges potential errors due to technical problems. The alert levels are based on guidelines from Japan's Environmental Protection Agency's 'Heatstroke Prevention Information Site'.

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