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Best Free Indoor Humidity App

250+ iOS apps curated and reviewed

3.9 avg rating
20 free apps
Updated September 2026

With an average user rating of 3.9★, the free indoor humidity app category is one of the App Store's strongest. Browse all 250+ apps we track, sorted so the most loved ones surface first.

Compare top Free Indoor Humidity App (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Hygrometer - HumidityHygrometer - HumidityFree4.7★ (6.1K)YesYesSep 2026
2Humidity CheckerHumidity CheckerFree1.3★ (15)NoNoMay 2026
3Hygrometer: Air HumidityHygrometer: Air HumidityFree1.0★ (2)NoYesAug 2026
4Indoor ThermometerIndoor ThermometerFree4.2★ (2.1K)YesNoSep 2026
5Humidity FreeHumidity FreeFree5.0★ (2)NoNoAug 2026
6AprilAire Healthy AirAprilAire Healthy AirFree4.6★ (16K)NoNoSep 2026
7MoldGuard - Humidity CoachMoldGuard - Humidity CoachFree—NoYesJul 2026
8Humidity Checker °Humidity Checker °Free4.7★ (115)NoYesSep 2026

Top Picks for Free Indoor Humidity App

Hygrometer - Humidity#1

Hygrometer - Humidity by MORETHAN APPS

Check Current Humidity
Editor's Choice
☀️ Weather
4.7😞(6.1K ratings)
FreeAdsIn-App Purchases
Hygrometer - Humidity screenshot 1
Hygrometer - Humidity screenshot 2
Hygrometer - Humidity screenshot 3
Hygrometer - Humidity screenshot 4
Hygrometer - Humidity screenshot 5
Hygrometer - Humidity screenshot 6

This application provides real-time outdoor humidity readings for your current location. It features an easy-to-read analog design and is compatible with iPhone, iPad, and Apple Watch.

What We Love

  • 🚀 Accurate humidity readings
  • 👍 Simple and easy to use
  • 👍 Helpful for monitoring humidity levels
  • 👍 Useful for specific needs (e.g., guitar storage, painting)

Room to Improve

  • 🐛 Inaccurate humidity readings
  • 🐛 Inconsistent performance, app crashes
  • 🔋 Drains battery
  • 📍 Provides location-based data, not actual indoor measurements
Humidity Checker#2

Humidity Checker by Condair A/S

Check your indoor environment.
Strong Contender
🔧 Utilities
1.3(15 ratings)
Free
Humidity Checker screenshot 1

This app helps you monitor and maintain optimal indoor humidity levels for better health and comfort. It calculates the amount of water needed to reach the ideal 40-60% RH range, using scientific formulas and providing simple visual indicators.

Hygrometer: Air Humidity#3

Hygrometer: Air Humidity by Tirin

Track indoor moisture & air
Worth Considering
☀️ Weather
1.0(2 ratings)
FreeIn-App Purchases
Hygrometer: Air Humidity screenshot 1
Hygrometer: Air Humidity screenshot 2
Hygrometer: Air Humidity screenshot 3
Hygrometer: Air Humidity screenshot 4
Hygrometer: Air Humidity screenshot 5

This app provides precise, real-time outdoor humidity data using advanced weather APIs. It features a visually appealing liquid-glass design and offers hourly and multi-day humidity forecasts. Ideal for monitoring indoor climates, protecting your home, or ensuring personal comfort.

More Free Indoor Humidity App apps to explore

FAQ about Free Indoor Humidity App

What is the best free indoor humidity app for iPhone?
Hygrometer - Humidity tops our free indoor humidity app ranking as of September 2026, with a 4.7-star average from 6.1K App Store ratings, and it's free to download.
Hygrometer - Humidity shows ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 250+ free indoor humidity app on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
This app allows you to check the outdoor humidity at your current location. It presents the information with an easy-to-read analog design, offering a sense of everyday sensibility.
Key features include real-time outdoor humidity readings for your current location, an 'easy to read' analog design, universal support for iPhone and iPad, and compatibility with Apple Watch.