Best Humidity Checker Apps

250+ iOS apps curated and reviewed

4.2 avg rating

20 free apps

Updated September 2026

From beginner-friendly picks to power-user tools, our humidity checker list covers 250+ iPhone apps updated through September 2026. Compare ratings, prices, and screenshots in one place.

Compare top Humidity Checker Apps (September 2026)

#	App	Price	Rating	Ads	In-App Purchases	Updated
1	Hygrometer - Humidity	Free	4.7★ (6.1K)	Yes	Yes	Sep 2026
2	Humidity Checker °	Free	4.7★ (115)	No	Yes	Sep 2026
3	Room Thermometer : Indoor	Free	—	No	Yes	Aug 2026
4	Humidity Checker	Free	1.3★ (15)	No	No	May 2026
5	Humidity Free	Free	5.0★ (2)	No	No	Aug 2026
6	The Thermometer -Digital-	Free	4.7★ (564)	Yes	Yes	Sep 2026
7	AprilAire Healthy Air	Free	4.6★ (16K)	No	No	Sep 2026
8	Humidity	Free	3.8★ (203)	No	No	Sep 2026

Top Picks for Humidity Checker

#1

Hygrometer - Humidity by MORETHAN APPS

Check Current Humidity

Editor's Choice

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

#2

Humidity Checker ° by Adam Fahlman

Hygrometer and Temperature

Strong Contender

4.7(115 ratings)

FreeIn-App Purchases

Humidity Checker ° screenshot 1

Humidity Checker ° screenshot 2

Humidity Checker ° screenshot 3

Humidity Checker ° screenshot 4

Humidity Checker ° screenshot 5

Humidity Checker ° screenshot 6

This app displays current humidity and temperature with analog-style dials. It offers current weather, an 8-hour look-ahead, and a 3-day forecast. Premium features include ad removal, home screen widgets, and extended forecasts.

#3

Room Thermometer : Indoor by Emirhan Salihoglu

Indoor Temperature

Worth Considering

0.0(0 ratings)

Free

Room Thermometer : Indoor screenshot 1

Room Thermometer : Indoor screenshot 2

Room Thermometer : Indoor screenshot 3

Room Thermometer : Indoor screenshot 4

More Humidity Checker apps to explore

Humidity Checker

Humidity Checker

Humidity Checker

Check your indoor environment.

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.

Check healthy humidity levelsCalculate water needed to increase humidityVisual traffic light indicators

Displays current outdoor humidity based on your location and nearby weather stations. The background color visually represents humidity levels, and you can wipe the screen to clear it.

Real-time outdoor humidity displayLocation-based weather station dataDynamic background color changes

The Thermometer -Digital-

The Thermometer -Digital-

The Thermometer -Digital-

Simple Temperature Humidity

This app functions as a digital thermometer and hygrometer, displaying outdoor temperature and humidity for any location worldwide. It offers real-time updates, customizable colors, and unit selection. A premium plan adds multi-location saving and removes ads.

Outdoor temperature and humidity displayReal-time automatic updatesGlobal location data

AprilAire Healthy Air

AprilAire Healthy Air

AprilAire Healthy Air

Smart Thermostat & IAQ Control

Control your home's air quality remotely with this app. Adjust temperature, humidity, and freshness, and receive alerts for air quality events. Manage multiple devices and schedules for optimal comfort and energy savings.

Remote control of temperature, humidity, and air purityEvent-Based™ control for air cleaning and fresh airAutomatic humidifier and dehumidifier control

free with in-app purchases

Hygrometer & Pressure Checker

This app provides real-time weather statistics based on your current location, including humidity, temperature, precipitation, cloud cover, and wind speed. It offers a clean, ad-free interface for easy access to up-to-the-minute weather updates.

Real-time humidity levelsTemperature updatesPrecipitation tracking

For Temperature & Humidity

by iTronics Co., Limited

Monitor real-time temperature and humidity with historical data up to one year. Receive alerts when readings fall outside your set range, ensuring optimal conditions.

Real-time temperature displayReal-time humidity displayHeat index display

Mytemp - Comfort Temp Checker

Mytemp - Comfort Temp Checker

Mytemp - Comfort Temp Checker

Track your ideal temperatur...

🎨 Graphics & Design

Hygrometer Barometer

Hygrometer Barometer

Hygrometer Barometer

Discomfort Index Calculator

This app measures relative humidity and calculates the discomfort index using your current location. It displays humidity in a badge and offers barometric readings for compatible devices. Use it to gauge outdoor conditions for appropriate clothing choices.

Measures relative humidity via GPSCalculates discomfort index (DI)Displays humidity in badge

Absolute Humidity – Calculator

Absolute Humidity – Calculator

Absolute Humidity – Calculator

Convert Relative to Absolute

This app helps manage indoor humidity by comparing indoor and outdoor conditions. It provides personalized advice on when to ventilate your rooms to maintain optimal air quality and prevent issues like mold or respiratory discomfort.

Automatic absolute humidity calculationPersonalized ventilation adviceWeather integration for outdoor data

free with in-app purchases

HD Thermometer ⊎

HD Thermometer ⊎

HD Thermometer ⊎

Current temperature & more

Displays the current temperature for your location using a weather service. Offers a clean, rustic interface and allows saving multiple locations. Not a true thermometer, it relies on external data for accuracy.

Current location temperature displayRustic style interfaceSave multiple locations

free with in-app purchases

Protimeter Connect

Protimeter Connect

Protimeter Connect

by Amphenol Thermometrics Inc.

Connect to Protimeter devices to collect and monitor environmental data like moisture, humidity, and temperature. The application allows for continuous data reception and mode adjustments once paired.

Connect to Protimeter devicesCollect moisture content dataMonitor Relative Humidity

Smart,Sprinkler,Thermometer

Control your garden sprinkler remotely and set custom watering schedules. Monitor indoor temperature and humidity with detailed charts for environmental insights.

Remote sprinkler controlAutomated watering schedulesTemperature monitoring

by FP Floor Protector GmbH

by The Energy Conservatory

This app allows wireless control and display of pressure gauge readings. Capture, store, and share data in various formats via email or cloud services. It offers features for blower door and duct testing, including code compliance results and airflow unit selection.

Wireless control of pressure gaugesCapture, store, and share readingsDisplay readings in multiple formats

Humidity Window - Stoßlüften

Humidity Window - Stoßlüften

Humidity Window - Stoßlüften

Ventilation & Mold Risk

This app acts as a digital hygrometer, tracking outdoor humidity and providing personalized advice on when to ventilate your home. It helps prevent mold growth and improve indoor air quality by suggesting optimal times to open windows. Monitor key weather metrics and receive instant updates via a home widget.

Outdoor humidity tracking (relative & absolute)Dew point comfort visualizationPersonalized ventilation advice

free with in-app purchases

Room Temperature Checker

Room Temperature Checker

Room Temperature Checker

Indoor Outdoor Thermometer

FAQ about Humidity Checker

What are the best humidity checker apps for iPhone?

Hygrometer - Humidity tops our humidity checker apps ranking as of September 2026, with a 4.7-star average from 6.1K App Store ratings, and it's free to download.

Are there free humidity checker apps for iPhone?

Yes — 20 of the top humidity checker apps we rank are free to download, including Hygrometer - Humidity and Humidity Checker °.

Does Hygrometer - Humidity have ads or in-app purchases?

Hygrometer - Humidity shows ads and offers in-app purchases, according to its App Store listing as of September 2026.

How many humidity checker apps are on the App Store?

We track 250+ humidity checker apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.

What does this app do?

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.

What are the key features?

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.

Related searches

indoor humidity checker free humidity checker humidity checker °