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Best Heat Safety Apps

248+ iOS apps curated and reviewed

3.9 avg rating
20 free apps
Updated July 2026

Looking for free heat safety apps? 20 of our 248+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Compare top Heat Safety Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Heat SafetyHeat SafetyFree4.6★ (2.5K)YesYesAug 2026
2OSHA-NIOSH Heat Safety ToolOSHA-NIOSH Heat Safety ToolFree2.5★ (312)NoNoAug 2026
3HeatAlert: Heat Stress IndexHeatAlert: Heat Stress IndexFree3.6★ (11)NoNoAug 2026
4HeatSafe WBGTHeatSafe WBGTFree—YesYesJul 2026
5Heat Safety ProHeat Safety ProFree—NoYesMay 2026
6Sports Heat ToolSports Heat ToolFree—NoNoJun 2026
7OSHA Safety Regulations GuideOSHA Safety Regulations GuideFree4.7★ (1.7K)NoYesAug 2026
8Heat Illness ToolkitHeat Illness ToolkitFree—NoNoMay 2026

Top Picks for Heat Safety

Heat Safety#1

Heat Safety by Qvyshift LLC

Heat Conditions and Forecasts
Editor's Choice
☀️ Weather
4.6😞(2.5K ratings)
FreeAdsIn-App Purchases
#53in Weather
Heat Safety screenshot 1
Heat Safety screenshot 2
Heat Safety screenshot 3
Heat Safety screenshot 4
Heat Safety screenshot 5
Heat Safety screenshot 6

This tool helps prevent heat-related illnesses for outdoor workers by providing heat index and wet bulb temperature data. It offers current conditions and forecasts for US locations, using standardized risk level categorizations to help plan work activities and ensure safety.

What We Love

  • 👍 Straightforward, simple graphics
  • 🚀 Works great initially
  • 💡 Useful for understanding heat index/wet bulb temps

Room to Improve

  • 🐛 Suddenly stops working/retrieving info
  • 🐛 Inconsistent performance, won't give readings sometimes
  • 🐛 Crashes frequently when trying to get heat assessment
OSHA-NIOSH Heat Safety Tool#2

OSHA-NIOSH Heat Safety Tool by Centers For Disease Control and Prevention

Strong Contender
☀️ Weather
2.5😞(312 ratings)
Free
#36in 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
HeatAlert: Heat Stress Index#3

HeatAlert: Heat Stress Index by WeatherFlow

WBGT Conditions & Monitoring
Worth Considering
☀️ Weather
3.6(11 ratings)
Free
HeatAlert: Heat Stress Index screenshot 1
HeatAlert: Heat Stress Index screenshot 2
HeatAlert: Heat Stress Index screenshot 3
HeatAlert: Heat Stress Index screenshot 4
HeatAlert: Heat Stress Index screenshot 5

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.

More Heat Safety apps to explore

4
HeatSafe WBGT
HeatSafe WBGT
HeatSafe WBGT
Live heat-risk & WBGT safety
Free
☀️ Weather
(0)
5
Heat Safety Pro
Heat Safety Pro
Heat Safety Pro
Wet Bulb Temperature App
Free
☀️ Weather
(0)
6
Sports Heat Tool
Sports Heat Tool
Sports Heat Tool
by Federico Tartarini
Free
🔧 Utilities
(0)
7
OSHA Safety Regulations Guide
OSHA Safety Regulations Guide
OSHA Safety Regulations Guide
1910, 1926, 1904, 1928, 1915
Free

Access critical OSHA safety standards offline for various industries including general industry, construction, and maritime. Ideal for employers, safety professionals, and workers needing quick on-the-job reference to ensure compliance and workplace safety.

Offline access to OSHA standardsCovers General Industry (1910)Includes Construction (1926) standards
🔍 Reference
(1.7K)
free with in-app purchases
8
Heat Illness Toolkit
Heat Illness Toolkit
Heat Illness Toolkit
by Primoris Services Corporation
Free
🔍 Reference
(0)
9
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
10
SafeGuard Live: Worker Safety
SafeGuard Live: Worker Safety
SafeGuard Live: Worker Safety
Workforce Health & Wellness
Free

This platform offers real-time safety monitoring for frontline workers in high-risk industries. It detects heat stress and fatigue, providing alerts to workers and supervisors to ensure on-the-job protection and compliance.

Real-time heat stress and fatigue detectionWorker safety alertsEnvironmental risk insights
💪 Health & Fitness
(11)
free
11
Zelus WBGT
Zelus WBGT
Zelus WBGT
by Zelusports LLC
Free

This advanced system monitors outdoor environmental risks in real-time, including heat, lightning, and air quality. It provides essential tools for organizations to safeguard teams and ensure operational safety without needing extra hardware. Trusted globally by professionals for compliance and peace of mind.

Real-time WBGT monitoringLightning detection alertsAQI monitoring
☀️ Weather
(42)
free with in-app purchases
12
Cherry Point Safety
Cherry Point Safety
Cherry Point Safety
by Jody Roth
Free
💼 Business
(0)
13
Heat Stress Log - CrewHalo
Heat Stress Log - CrewHalo
Heat Stress Log - CrewHalo
Field Safety, WBGT & PDF/CSV
Free
💼 Business
(0)
14
IATSE 891 Heat Stress
IATSE 891 Heat Stress
IATSE 891 Heat Stress
Humidex Based Risk Assessment
Free

This application helps assess heat stress risks for workers using the Humidex Method, a standard accepted by WorkSafeBC. It aids individuals in understanding their personal risk and mitigation strategies, while also assisting employers in meeting compliance obligations.

Heat stress risk assessmentHumidex Method calculationWorkSafeBC compliance
💪 Health & Fitness
(0)
free
15
Heatstroke WBGT
Heatstroke WBGT
Heatstroke WBGT
by yoshihito sakagami
Free

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.

Measures outdoor WBGT (heatstroke index)Provides heatstroke alert levelsOffers heatstroke countermeasure methods
☀️ Weather
(2)
ad-supported
16
Summia Heat Alert
Summia Heat Alert
Summia Heat Alert
Heat risk and weather alerts
Free
☀️ Weather
(0)
17
Swelter: Heat Index
Swelter: Heat Index
Swelter: Heat Index
Heat Stress, WBGT & Safety
Free
☀️ Weather
(0)
18
Smart Heat-Pump
Smart Heat-Pump
Smart Heat-Pump
by Solareast heat pump co.,Ltd
Free
🔧 Utilities
(0)
19
Heat Engineer
Heat Engineer
Heat Engineer
by Heat Engineer Software Ltd
Free

This app assists heating engineers and surveyors in collecting property data for heating system installations. It supports heat loss reports for various technologies and includes tools for sound assessments and quick estimations. Data is automatically saved for later review and amendment.

Heat loss survey for BS EN 12831, CIBSE, and MCS standardsMCS 020 sound assessment for Air Source Heat PumpsQuick heat loss estimator tool
📊 Productivity
(0)
free
20
Heat Control
Heat Control
Heat Control
by Innovega GmbH
Free
🔧 Utilities
(0)

FAQ about Heat Safety

What are the best heat safety apps for iPhone?
Heat Safety tops our heat safety apps ranking as of July 2026, with a 4.6-star average from 2.5K App Store ratings, and it's free to download.
Yes — 20 of the top heat safety apps we rank are free to download, including Heat Safety and OSHA-NIOSH Heat Safety Tool.
Heat Safety shows ads and offers in-app purchases, according to its App Store listing as of July 2026.
We track 248+ heat safety apps on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.
The Heat Safety app helps prevent heat-related illnesses for individuals working outdoors. It provides crucial data like heat index and wet bulb temperature, along with current conditions and forecasts for locations across the USA. This information aids in planning outdoor work activities and assessing risk levels.
Key features include current temperature, humidity, heat index, and wet bulb temperature readings. It also offers forecasts for heat index and wet bulb temperature, and categorizes risk levels based on standardized scales like OSHA-NIOSH and US Army standards. The app displays psychrometric wet bulb globe temperature to help manage hydration and rest breaks.

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