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Best Wet Bulb Apps & Games

120+ iOS apps & games curated and reviewed

4.5 avg rating
17 free apps & games
Updated August 2026

Finding the right wet bulb apps and games can be overwhelming with so many options. We've analyzed 120+ apps and games to bring you the best choices for 2026, from free options to premium solutions with advanced features.

Compare top Wet Bulb Apps & Games (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Heat SafetyHeat SafetyFree4.6★ (2.5K)YesYesAug 2026
2Zelus WBGTZelus WBGTFree3.1★ (42)NoYesAug 2026
3Wet Bulb & Safety: HeatCueWet Bulb & Safety: HeatCueFree5.0★ (1)NoYesAug 2026
4WetBulbCastWetBulbCastFree5.0★ (1)NoNoJul 2026
5HeatSafe WBGTHeatSafe WBGTFree—YesYesAug 2026
6HeatAlert: Heat Stress IndexHeatAlert: Heat Stress IndexFree3.6★ (11)NoNoAug 2026
7WeatherBug: Weather ForecastWeatherBug: Weather ForecastFree4.8★ (2.2M)YesYesAug 2026
8WBGT CalculatorWBGT CalculatorFree—NoNoAug 2026

Top Picks for Wet Bulb

Heat Safety#1

Heat Safety by Qvyshift LLC

Heat Conditions and Forecasts
Editor's Choice
☀️ Weather
4.6😞(2.5K ratings)
FreeAdsIn-App Purchases
#33in 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
Zelus WBGT#2

Zelus WBGT by Zelusports LLC

Strong Contender
☀️ Weather
3.1(42 ratings)
FreeIn-App Purchases
#83in Weather
Zelus WBGT screenshot 1
Zelus WBGT screenshot 2
Zelus WBGT screenshot 3
Zelus WBGT screenshot 4
Zelus WBGT screenshot 5

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.

Wet Bulb & Safety: HeatCue#3

Wet Bulb & Safety: HeatCue by Joao Filipe Serôdio Josézinho

Heat index, WBGT & alerts
Worth Considering
☀️ Weather
5.0(1 ratings)
FreeIn-App Purchases
Wet Bulb & Safety: HeatCue screenshot 1
Wet Bulb & Safety: HeatCue screenshot 2
Wet Bulb & Safety: HeatCue screenshot 3
Wet Bulb & Safety: HeatCue screenshot 4
Wet Bulb & Safety: HeatCue screenshot 5
Wet Bulb & Safety: HeatCue screenshot 6

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.

More Wet Bulb apps to explore

4
WetBulbCast
WetBulbCast
WetBulbCast
Forecasts with wet bulb temp.
Free

This app provides hourly wet-bulb temperature forecasts for up to 10 days, helping you determine the effectiveness of evaporative coolers. It also includes dew point, feels-like temperature, UV index, wind speed, and precipitation probability for a comprehensive weather overview.

Hourly wet-bulb temperature forecast10-day forecastDew point and feels-like temperature
☀️ Weather
(1)
free
5
HeatSafe WBGT
HeatSafe WBGT
HeatSafe WBGT
Live heat-risk & WBGT safety
Free
☀️ Weather
(0)
6
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
7
WeatherBug: Weather Forecast
WeatherBug: Weather Forecast
WeatherBug: Weather Forecast
Live Local Radar, Storm Alerts
Free

Get accurate, real-time weather forecasts and severe storm alerts powered by a global professional weather network. Visualize conditions with interactive maps, track lightning, and stay informed about pollen, air quality, and more.

Real-Time Pinpoint ForecastsEnhanced Interactive MapSevere Weather Alerts
☀️ Weather
(2.2M)
free with in-app purchases
8
WBGT Calculator
WBGT Calculator
WBGT Calculator
by Marco van Oostende
Free
⚽ Sports
(0)
9
WBGT: Heat Index Safety Tool
WBGT: Heat Index Safety Tool
WBGT: Heat Index Safety Tool
Wet Bulb Globe Temp OSHA-NIOSH
Free

This tool calculates the Wet Bulb Globe Temperature (WBGT) for your location, a comprehensive measure of heat stress that considers temperature, humidity, wind, and sunlight. It provides color-coded safety levels and tailored guidance for various activities and professions.

Live outdoor WBGT calculationColor-coded safety flag levelsTailored guidance for different modes
☀️ Weather
(3)
free with in-app purchases
10
Heat Index: Wet Bulb
Heat Index: Wet Bulb
Heat Index: Wet Bulb
WBGT & Heat Risk Forecast
$2.99
$3.99 | 25% OFF

This app provides real-time heat conditions and forecasts to help users avoid heat-related illness. It offers hourly and 7-day outlooks with clear risk level guidance, designed exclusively for users in the United States.

Current Heat Index and risk levelWet Bulb / WBGT categoriesHome Screen widget
☀️ Weather
(1)
paid
11
HumidCalc
HumidCalc
HumidCalc
Precision Moist Air Calculator
Free

This app calculates various humidity and air property indicators using weather data. It's suitable for general users, engineers, and agricultural applications, offering precise calculations for dew point, relative humidity, and heat stress indices.

Humidity and air property calculationsDiscomfort Index and WBGT calculationVolumetric Absolute Humidity for influenza prevention
☀️ Weather
(1)
ad-supported
12
w_b_temp
w_b_temp
w_b_temp
Get the wet bulb temperature
Free
🔧 Utilities
(0)
13
Storm Radar: Weather Tracker
Storm Radar: Weather Tracker
Storm Radar: Weather Tracker
Winter Storm Radar & Alerts
Free

This app provides advanced weather radar and storm tracking with real-time alerts for rain, severe weather, and lightning. It offers detailed visualizations of weather patterns, future radar projections, and customizable map layers for tracking storms like hurricanes and tornadoes.

Expanded weather map layers (wind, lightning, tropical tracks)High-resolution single site radarAI Weather Assistant for real-time insights
☀️ Weather
(126K)
freemium
14
WeatherFX
WeatherFX
WeatherFX
by Antikytherus
$0.99

This app provides current international weather conditions and up to 5-day forecasts. It estimates heat stress indicators like wet bulb and WBGT temperatures, offering guidance on fluid intake and work/rest ratios for outdoor activities. It supports multiple languages and units of measurement.

Current international weather conditions5-day forecast dataGPS-based weather station identification
☀️ Weather
(16)
paid
15
RGB Bulb
RGB Bulb
RGB Bulb
by Shenzhen Jingyuan Micro Control Technology Co., Ltd.
Free
🔧 Utilities
(0)
16
Watt The Bulb
Watt The Bulb
Watt The Bulb
by Mustafa Akbaba
Free

A mobile game where players collect bulbs to increase their light output. The objective is to defeat enemies by increasing their wattage.

Collect all bulbsShine more lightIncrease enemy watts
🎮 Games
(1)
ad-supported
17
Texas WBGT
Texas WBGT
Texas WBGT
Wet Bulb Globe Temp
$0.99
$2.99 | 67% OFF
📚 Education
(0)
18
Wet Bulb Temperature Tracker
Wet Bulb Temperature Tracker
Wet Bulb Temperature Tracker
WBGT Humid heat risk
Free
☀️ Weather
(0)
19
Bulbes - lightbulbs memo
Bulbes - lightbulbs memo
Bulbes - lightbulbs memo
Light bulbs storage notes
Free

This app helps you catalog all the light bulbs in your home, organizing them by room and type. Avoid the frustration of buying the wrong bulbs by keeping a detailed record of what you need for each fixture.

Catalog light bulbsOrganize by roomRecord bulb types
📊 Productivity
(2)
free
20
LightYeeAr
LightYeeAr
LightYeeAr
by Kostas Aggelopoulos
Free

Control your Yeelight smart bulbs with enhanced features and a user-friendly interface. This app offers instant control and advanced timer options over your local Wi-Fi network, requiring no internet connection for operation.

Instant control of Yeelight bulbsWider variety of timersUser-friendly environment
🔧 Utilities
(3)
free

FAQ about Wet Bulb

What are the best wet bulb apps & games for iPhone?
Heat Safety tops our wet bulb apps & games ranking as of August 2026, with a 4.6-star average from 2.5K App Store ratings, and it's free to download.
Yes — 17 of the top wet bulb apps & games we rank are free to download, including Heat Safety and Zelus WBGT.
Heat Safety shows ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 120+ wet bulb apps & games on the iOS App Store as of August 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.