HeatOK: Heat Index & WBGT

HeatOK: Heat Index & WBGT

Wet Bulb Temperature & Safety

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Details

  • Released
  • Updated
  • September 3, 2026
  • September 7, 2026

Features

HeatOK: Heat Index & WBGT screenshot #1 for iPhone
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HeatOK: Heat Index & WBGT screenshot #3 for iPhone
HeatOK: Heat Index & WBGT screenshot #4 for iPhone
HeatOK: Heat Index & WBGT screenshot #5 for iPhone
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About

HeatOK helps you understand hot, humid weather before you head outside. See the current Heat Index, Wet-Bulb Temperature (WBT), and Estimated Wet-Bulb Globe Temperature (WBGT), then plan around the lower-risk hours in your day. With HeatOK, you can: • Use Heat Index, Estimated WBGT, or air temperature as your primary scale. • See Wet-Bulb Temperature, globe temperature, humidity, dew point, wind, and UV Index together. • Follow the hourly heat path and check the day ahead. • Choose an outdoor context for relevant precautions, including exercise, outdoor work, caregiving, and dog walks. • Save places, use Home Screen widgets, and set personal threshold alerts. Some features require HeatOK Pro. Every reading identifies its scale, source, and data freshness. Estimated WBGT is calculated from forecast weather data and does not replace an on-site globe thermometer. HeatOK provides weather information and general precautions. It is not medical advice or an emergency service. Terms of Use: https://docs.google.com/document/d/1DQU5swaVHWejOGgZuZI94XEPqKfQTXp_Ej9gwHvx3nE/edit?usp=sharing Privacy Policy: https://docs.google.com/document/d/1GVG0Mki7H7LBtjM6e5Veh-u3eUsobu4KY5h92uBhdVc/edit?usp=sharing
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What's New in HeatOK

1.0.2

September 7, 2026

Added support for Arabic, Italian, Japanese, Portuguese, and Traditional Chinese. Performance improvements and bug fixes.

Subscription plans

HeatOK Pro

Monthly

$2.991 Month
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