Best Barometer Free Apps

250+ iOS apps curated and reviewed

4.4 avg rating
20 free apps
Updated August 2026

With an average user rating of 4.4★, the barometer free 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 Barometer Free Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1The Barometer -Digital-The Barometer -Digital-Free4.6★ (315)YesNoAug 2026
2Barometer & Altimeter & ThermoBarometer & Altimeter & ThermoFree4.8★ (9.5K)NoYesSep 2026
3Professional BarometerProfessional BarometerFree4.3★ (13)YesNoAug 2026
4Barometric Pressure TodayBarometric Pressure TodayFree4.8★ (146)NoYesAug 2026
5Air BarometerAir BarometerFree4.8★ (24)NoNoAug 2026
6Barometer Plus - AltimeterBarometer Plus - AltimeterFree4.0★ (409)YesYesAug 2026
7Barometer-AppBarometer-AppFreeNoNoAug 2026
8iBarometer - BarometeriBarometer - BarometerFreeYesYesSep 2026

Top Picks for Barometer Free

Barometer & Altimeter & Thermo#2

Barometer & Altimeter & Thermo by ExaMobile S.A.

Altitude, Pressure, Weather
Strong Contender
🔧 Utilities
4.8😊(9.5K ratings)
FreeIn-App Purchases
Barometer & Altimeter & Thermo screenshot 1
Barometer & Altimeter & Thermo screenshot 2
Barometer & Altimeter & Thermo screenshot 3
Barometer & Altimeter & Thermo screenshot 4
Barometer & Altimeter & Thermo screenshot 5

Measure atmospheric pressure, altitude, and current weather conditions using your device's sensors and GPS. Get real-time data on temperature, wind speed, and humidity, with automatic calibration for accuracy. Useful for health, outdoor activities, and weather prediction.

What We Love

  • 😊 Simple and intuitive
  • 🔍 Accurate barometric readings
  • 🔢 Altimeter functionality
  • 🔧 Customizable settings

Room to Improve

  • 🐛 Inconsistent altimeter accuracy
  • 🔍 Questionable pressure/altitude readings
  • 📈 Lack of historical data/trend analysis
Professional Barometer#3

Professional Barometer by FFZ srl

Professional Barometer
Worth Considering
☀️ Weather
4.3(13 ratings)
FreeAds
Professional Barometer screenshot 1
Professional Barometer screenshot 2
Professional Barometer screenshot 3
Professional Barometer screenshot 4
Professional Barometer screenshot 5
Professional Barometer screenshot 6

This app provides real-time atmospheric pressure trends to forecast weather changes. It offers precise readings using device sensors and remote weather stations, displaying forecasts, temperature, and humidity. Users can also capture and share photos with superimposed weather data.

More Barometer Free apps to explore

4
Barometric Pressure Today
Barometric Pressure Today
Barometric Pressure Today
Migraine & Headache Tracker
Free

Monitor atmospheric pressure changes with detailed forecasts and trend analysis. Understand how weather shifts impact your health, from migraines to outdoor activity planning. Get real-time data and proactive insights for multiple locations.

Advanced trend charts14-day forecastReal-time weather monitoring
☀️ Weather
(146)
freemium
5
Air Barometer
Air Barometer
Air Barometer
Air Pressure & Forecast
Free

This app provides detailed atmospheric pressure information, including actual local pressure and sea level pressure. Track pressure changes with hourly and daily charts, and monitor long-term trends. It's ideal for outdoor enthusiasts and those sensitive to weather shifts.

Actual pressure at local altitudeRelative pressure at sea levelPressure charts (hourly, daily)
☀️ Weather
(24)
free
6
Barometer Plus - Altimeter
Barometer Plus - Altimeter
Barometer Plus - Altimeter
Advance Barometer
Free

This app measures air pressure and altitude using your device's built-in sensor. It helps predict weather changes, monitor health impacts of pressure fluctuations, and optimize activities like fishing. Customize its appearance and receive notifications about significant pressure shifts.

Barometer and altimeter with analog displayTemperature and humidity readingsPressure and altitude unit conversion
☀️ Weather
(409)
free with in-app purchases
7
Barometer-App
Barometer-App
Barometer-App
by Sebastian Popp
Free
☀️ Weather
(0)
8
iBarometer - Barometer
iBarometer - Barometer
iBarometer - Barometer
Pro Barometer & Fishing
Free

This app transforms your iPhone into a professional barometer, providing real-time atmospheric pressure readings and trend analysis. It includes historical graphs, altitude display, and a fishing activity score. It functions offline and offers advanced fishing predictions with a Pro upgrade.

Real-time atmospheric pressureTrend indicator and rate of changeAltitude display
☀️ Weather
(0)
free with in-app purchases
9
Barometer Live Chart
Barometer Live Chart
Barometer Live Chart
Weather Barometer & Tilt Chart
Free

Track atmospheric pressure, altitude, and device tilt in real-time with live graphs. Get current weather information based on your location, including temperature and humidity. Ideal for hikers, pilots, and weather enthusiasts.

Real-time pressure trackingAltitude and elevation change calculationDevice tilt measurement with pie chart
☀️ Weather
(4)
free
10
Live Barometer
Live Barometer
Live Barometer
by Marvin Wagner
Free

This application measures and displays the current air pressure. It offers a widget for quick access to this information directly from your notification center. Requires specific iPhone or iPad models.

Measures current air pressureNotification center widgetDisplays air pressure data
☀️ Weather
(2)
free
11
Barometer ∞ Pressure Altitude
Barometer ∞ Pressure Altitude
Barometer ∞ Pressure Altitude
with altitude
Free

Access your device's built-in barometer for real-time atmospheric pressure and altitude readings. Offers multiple units and works offline without requiring signup or subscriptions.

Live barometric pressure readingsCurrent altitude displayMultiple pressure units (atm, hPa, kPa, Bar)
🔧 Utilities
(1)
ad-supported
12
ClassicBarometerEN
ClassicBarometerEN
ClassicBarometerEN
by Juan Ignacio de la Vega Jimenez
Free
🌟 Lifestyle
(0)
13
HgBarometer
HgBarometer
HgBarometer
The mercury companion
Free

This app assists users of mercury barometers by simplifying pressure calculations. It helps determine barometric pressure by accounting for meniscus height, instrument temperature, and local gravity. It also offers unit conversions and can be used to calibrate barometers.

Simplifies mercury barometer pressure calculationsAccounts for meniscus height, temperature, and gravitySupports multiple pressure units
🔧 Utilities
(1)
free
14
Barometric Pressure Tracker
Barometric Pressure Tracker
Barometric Pressure Tracker
Headache & Migraine Forecast
Free

Predict upcoming barometric pressure changes and their potential impact on your well-being. Track your symptoms and visualize correlations with weather patterns to better understand your body's responses. Receive timely alerts and daily summaries to manage your day effectively.

Predictive pressure change alertsSymptom tracking and correlationDaily weather and symptom summaries
☀️ Weather
(5)
free with in-app purchases
15
My Barometer and Altimeter
My Barometer and Altimeter
My Barometer and Altimeter
Accurate Pressure
Free

This app provides real-time atmospheric pressure readings, elevation data, and comprehensive weather forecasts. It offers advanced features like pressure trend monitoring, customizable alerts, and a global pressure map for detailed analysis and planning.

Instant Mean Sea Level PressureGround Level PressureAdvanced Pressure Forecasting
☀️ Weather
(1.1K)
free with in-app purchases
16
Barometric Pressure Offline
Barometric Pressure Offline
Barometric Pressure Offline
Altitude & Barometer Tracker
Free

This app tracks barometric pressure and altitude, working offline to keep you informed about weather changes. It provides alerts for deteriorating weather and sudden pressure shifts, which can be helpful for managing certain health conditions. Users can view historical data, export it, and utilize home screen widgets.

Offline pressure and altitude trackingDeteriorated weather alertsSudden pressure change alerts
🔧 Utilities
(200)
free with in-app purchases
17
Barometer-Altimeter,Thermo RA
Barometer-Altimeter,Thermo RA
Barometer-Altimeter,Thermo RA
Altitude, Pressure, Weather
Free

This utility app measures atmospheric pressure, altitude, and temperature using your device's sensors. It offers accurate readings for environmental monitoring.

Measures atmospheric pressureMeasures altitudeMeasures temperature
🔧 Utilities
(4)
ad-supported
18
Torr: Barometer Altimeter
Torr: Barometer Altimeter
Torr: Barometer Altimeter
Pressure Forecast for Migraine
Free

This app provides real-time barometric pressure and altitude readings, along with 10-day forecasts and migraine alerts. It automatically logs historical data and allows for CSV export, functioning offline and on Apple Watch. It's useful for outdoor activities, weather observation, and managing weather-sensitive conditions.

Real-time barometer and altimeter10-day pressure and weather forecastsMigraine and weather sensitivity alerts
☀️ Weather
(178)
free with in-app purchases
19
Altimeter & Barometer Pro
Altimeter & Barometer Pro
Altimeter & Barometer Pro
Track pressure and altitude
Free

Continuously record barometric pressure and altitude using your device's sensors. Visualize trends with interactive graphs, receive weather alerts, and track ascent/descent. Features a standalone Apple Watch app and a global pressure map.

Continuous barometric pressure and altitude recordingInteractive trend graphsBarometric pressure alerts
☀️ Weather
(512)
freemium
20
Altimeter (Barometer) Free
Altimeter (Barometer) Free
Altimeter (Barometer) Free
by Piet Jonas
Free

This app measures your current elevation using GPS or your device's barometer. It offers features like setting a base altitude for difference calculations and calibrating the barometer for improved accuracy, with support for both metric and imperial units.

GPS and barometer altitudeSet base altitude for differenceBarometer calibration
✈️ Travel
(3)
free

FAQ about Barometer Free

What are the best barometer free apps for iPhone?
The Barometer -Digital- tops our barometer free apps ranking as of August 2026, with a 4.6-star average from 315 App Store ratings, and it's free to download.
The Barometer -Digital- shows ads and has no in-app purchases, according to its App Store listing as of August 2026.
We track 250+ barometer free apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
The Barometer -Digital- displays outdoor air pressure, wind direction, wind speed, and the current time. It provides an at-a-glance view of these key weather metrics.
Yes, the app features an automatic update function for outdoor pressure, wind direction, and wind speed. This ensures you are always viewing the most current data.