207+ iOS apps curated and reviewed
If you already know OSHA, this is the deeper bench. 207+ heat index apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of July 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 2.5★ (292) | No | No | Jul 2026 |
| 2 |  | Free | 4.6★ (1.8K) | Yes | Yes | Jul 2026 |
| 3 |  | Free | — | No | No | Jul 2026 |
| 4 |  | Free | 4.7★ (52) | No | Yes | Jul 2026 |
| 5 |  | Free | 3.6★ (11) | No | No | Jul 2026 |
| 6 |  | Free | 5.0★ (1) | No | No | Jul 2026 |
| 7 |  | Free | 5.0★ (10) | Yes | Yes | Jul 2026 |
| 8 |  | Free | — | No | Yes | Jul 2026 |
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.
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.
Instantly determine how hot it truly feels by combining temperature and humidity. This app provides real-time weather data, forecasts, and heat risk warnings to help you plan outdoor activities safely and avoid heat-related illnesses.
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.
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.
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.
Calculate the heat index by simply inputting air temperature and relative humidity. Supports multiple temperature units including Kelvin, Celsius, and Fahrenheit. Results are for reference only.
This weather application provides real-time conditions and five-day forecasts. It calculates the perceived temperature based on humidity and wind speed, offering insights into how hot or cold it truly feels.
Get accurate, customized weather forecasts with animated backgrounds and severe weather alerts. View detailed information like temperature, pressure, and wind speed. Includes widgets for your home screen and Apple Watch.
This tool calculates the "felt air temperature" by combining air temperature and relative humidity using a specific scientific equation. It provides current weather conditions and allows users to search for and save favorite locations worldwide.
Estimate and track body temperature trends to monitor potential fever symptoms. Log data, export reports for healthcare providers, and monitor family members' temperatures. Includes features like heart rate estimation and symptom tracking.
This app displays the heat index for various locations, considering both temperature and humidity. It provides information on potential health impacts, recommendations, and forecasts at the sub-district level to help users stay safe during hot weather.
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.
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.
This app calculates the perceived temperature by considering both air temperature and relative humidity. It provides a heat category to help users determine necessary precautions when outdoors, especially in high temperatures and humidity.
This app analyzes current weather conditions, providing detailed atmospheric data like dew point, wet bulb temperature, and air density. It calculates comfort indices and can adjust indoor climate settings. Users can also determine altitude using barometer readings and access advanced forecasts.
Monitor your cooking with a smart thermometer that connects to your device. Get real-time temperature readings, set custom presets, and receive alarms to ensure perfectly cooked meals every time.
Manage and monitor your building's heating systems remotely. Optimize comfort, reduce costs, and receive instant alerts for critical issues. Track savings and resolve tenant complaints efficiently.