Best Niosh Heat Stress Apps

245+ iOS apps curated and reviewed

4.0 avg rating
20 free apps
Updated November 2026

OSHA is the household name in niosh heat stress, but it's far from the only option. We track 245+ alternatives and competitors on iOS โ€” many free, many higher-rated than you'd expect.

Compare top Niosh Heat Stress Apps (November 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1OSHA-NIOSH Heat Safety ToolOSHA-NIOSH Heat Safety ToolFree2.6โ˜… (316)NoNoOct 2026
2AIHA Heat Stress AppAIHA Heat Stress AppFree3.1โ˜… (10)NoNoOct 2026
3Heat Index: NIOSH CalculatorHeat Index: NIOSH CalculatorFree4.4โ˜… (26)NoNoOct 2026
4HeatAlert: Heat Stress IndexHeatAlert: Heat Stress IndexFree3.5โ˜… (13)NoNoOct 2026
5IATSE 891 Heat StressIATSE 891 Heat StressFreeโ€”NoNoJul 2026
6Heat SafetyHeat SafetyFree4.6โ˜… (2.8K)YesYesNov 2026
7Heat Illness ToolkitHeat Illness ToolkitFreeโ€”NoNoMay 2026
8Program Heat StressยฎProgram Heat StressยฎFreeโ€”NoNoMay 2026

Top Picks for Niosh Heat Stress

2.6๐Ÿ˜ž(316 ratings)
Free
#81in 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

  • ๐Ÿ’ก Valuable tool for heat safety
  • ๐Ÿ‘ Useful and informative
  • ๐Ÿ‘ Precise and accurate
  • ๐Ÿ‘ Great for tracking heat index
  • ๐Ÿ‘ Helpful precautionary and first aid information
  • ๐Ÿ‘ Available in Spanish

Room to Improve

  • ๐Ÿ› Crashes or doesn't load data
  • ๐Ÿ› Inaccurate or inconsistent temperature/heat index readings
  • ๐Ÿ› Doesn't work in Canada
  • ๐Ÿ› Frequent errors or connection issues
  • ๐Ÿ› Doesn't update or refresh properly
  • ๐Ÿ› Unreliable or not user-friendly

More Niosh Heat Stress apps to explore

FAQ about Niosh Heat Stress

What are the best niosh heat stress apps for iPhone?
OSHA-NIOSH Heat Safety Tool tops our niosh heat stress apps ranking as of November 2026, with a 2.6-star average from 316 App Store ratings, and it's free to download.
Yes โ€” 20 of the top niosh heat stress apps we rank are free to download, including OSHA-NIOSH Heat Safety Tool and AIHA Heat Stress App.
OSHA-NIOSH Heat Safety Tool has no ads and has no in-app purchases, according to its App Store listing as of November 2026.
We track 245+ niosh heat stress apps on the iOS App Store as of November 2026, ranked by rating, recency, and analysis of real user reviews.