Best Free Temperature App Monitor

217+ iOS apps curated and reviewed

4.3 avg rating
20 free apps
Updated July 2026

Finding the right free temperature app monitor app can be overwhelming with so many options. We've analyzed 217+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.

Top Picks for Free Temperature App Monitor

Heart Rate Monitor - Pulse BPM#1

Heart Rate Monitor - Pulse BPM by Hong Kong Zane Ai Limited

Pulse: Step,Health HR&Oximeter
Editor's Choice
💪 Health & Fitness
4.6😐(128K ratings)
FreeAdsIn-App Purchases
Heart Rate Monitor - Pulse BPM screenshot 1
Heart Rate Monitor - Pulse BPM screenshot 2
Heart Rate Monitor - Pulse BPM screenshot 3
Heart Rate Monitor - Pulse BPM screenshot 4

Easily monitor your heart rate, track steps, and record vital health metrics like blood pressure and body temperature. Save and visualize your health data, set reminders, and share your progress with friends and family. This app provides convenient health insights for daily well-being.

What We Love

  • 👍 Accurate heart rate measurements
  • 📊 Helpful for tracking health conditions
  • 🗓️ Ability to save and review past readings
  • 💻 Easy to use interface

Room to Improve

  • 📺 Excessive advertisements that interfere with usage
  • 🔒 Subscription required for full functionality
  • 🔢 Limited number of free daily measurements
Thermometer Body Temp#2

Thermometer Body Temp by Appnap Technologies Limited

Temperature monitor & check
Strong Contender
🏥 Medical
4.4(309 ratings)
FreeAdsIn-App Purchases
Thermometer Body Temp screenshot 1
Thermometer Body Temp screenshot 2
Thermometer Body Temp screenshot 3
Thermometer Body Temp screenshot 4
Thermometer Body Temp screenshot 5
Thermometer Body Temp screenshot 6

Easily track and analyze your body temperature readings on your iOS device. Record measurements in Celsius or Fahrenheit, add notes about symptoms, and generate shareable reports for healthcare professionals. The app offers cloud storage, multiple profiles, and helpful reminders.

System Status: hw monitor#3

System Status: hw monitor by Techet

CPU,battery,disk usage info
Worth Considering
🔧 Utilities
4.6😊(2.4K ratings)
FreeAds
System Status: hw monitor screenshot 1
System Status: hw monitor screenshot 2
System Status: hw monitor screenshot 3
System Status: hw monitor screenshot 4

Monitor your device's core performance metrics with this utility app. It provides real-time information on battery status, disk usage, CPU load, and network connections. Customize your view with light or dark themes and receive instant updates on system changes.

What We Love

  • 👍 Easy to use
  • 🚀 Provides quick system status overview
  • 🔋 Helpful for monitoring battery and charging
  • 💡 Useful for troubleshooting device issues

Room to Improve

  • 🐛 Occasional bugs or crashes reported
  • 🔒 Some privacy concerns with ad-supported version
  • 💰 Desire for more features in free version

More Free Temperature App Monitor apps to explore

4
Body Temperature App For Fever
Body Temperature App For Fever
Body Temperature App For Fever
Thermometer. Checker. Tracker
Free

Estimate and track body temperature trends to monitor potential fever symptoms. Log data, export reports for healthcare providers, and monitor family members' temperatures. Includes features like heart rate estimation and symptom tracking.

Estimate body temperatureLog and track temperature dataExport data to PDF
🏥 Medical
(22K)
free with in-app purchases
5
HD Thermometer ⊎
HD Thermometer ⊎
HD Thermometer ⊎
Current temperature & more
Free

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
☀️ Weather
(13K)
free with in-app purchases
6
Temperature Checker
Temperature Checker
Temperature Checker
Room & Body Heat Monitor
Free

Monitor your environment and personal well-being with this dual-purpose temperature tracker. It provides hyper-local weather forecasts and allows for quick logging of body temperature, offering insights into comfort and wellness.

Dual temperature tracking (weather, room, body)Live weather forecastsSmart profiles for family and friends
💪 Health & Fitness
(6)
free with in-app purchases
7
Blood Pressure Tracker SmartBP
Blood Pressure Tracker SmartBP
Blood Pressure Tracker SmartBP
Smart BP Heart Monitor Log App
Free

Log, monitor, and analyze blood pressure and heart measurements. Automatically calculate BMI, pulse pressure, and mean arterial pressure. Share reports with healthcare providers and track progress with clear graphs and statistics.

Log blood pressure, pulse, and weightAutomatic BMI, PP, and MAP calculationSync with Bluetooth BP monitors
🏥 Medical
(57K)
free with in-app purchases
8
Thermometer++ App
Thermometer++ App
Thermometer++ App
Temperature and more
Free

Transform your device into a precise thermometer. Get real-time outdoor temperature, humidity, pressure, and wind data for your current location. Utilizes AI to combine data from multiple sources for accurate, up-to-the-minute weather information.

Real-time temperature, humidity, pressure, and windThermometer, barometer, and hygrometer functionsCurrent location or custom location selection
☀️ Weather
(7.1K)
free with in-app purchases
9
Device Monitor²
Device Monitor²
Device Monitor²
System activity info
Free

This app provides comprehensive system activity information for Apple devices, including detailed insights into hardware, sensors, and network status. It offers privacy controls, customizable widgets, and advanced testing and reporting features through optional in-app purchases.

Detailed device informationSensor access and privacy controlCustomizable widgets
🛠️ Developer Tools
(9K)
free with in-app purchases
10
Room Temperature Thermometer.
Room Temperature Thermometer.
Room Temperature Thermometer.
Temperature & Thermometer
Free

Monitor your room's real-time temperature and humidity with a comfort indicator. Enjoy relaxing weather sounds and receive daily tips for a healthier lifestyle. Features a sleep timer for peaceful rest.

Real-time room temperatureHumidity level detectionComfort status indicator
☀️ Weather
(206)
ad-supported
11
Thermometer - Outdoor & Indoor
Thermometer - Outdoor & Indoor
Thermometer - Outdoor & Indoor
Room Temperature, Thermometer
Free

This app provides real-time indoor and outdoor temperature readings with a clean, user-friendly interface. It's designed for quick and accurate temperature checks, making it ideal for daily monitoring at home, work, or while traveling.

Real-time temperature updatesAccurate indoor/outdoor readingsLocation-based outdoor temperature
🔧 Utilities
(1)
free with in-app purchases
12
Thermometer: Body Temperature
Thermometer: Body Temperature
Thermometer: Body Temperature
Fever & Temperature Checker
Free

Estimate body temperature using your smartphone without a physical thermometer. Track heart rate, blood pressure, and sync with Apple Watch for real-time fever alerts. Log custom health data and generate shareable PDF reports.

Temperature estimation without a thermometerApple Watch Series 8 sync for readingsHigh fever alerts
💪 Health & Fitness
(394)
free with in-app purchases
13
Thermometer
Thermometer
Thermometer
Temperature & More
Free

This app transforms your iPhone or iPod Touch into a thermometer, displaying the exact outside temperature based on your current location. It provides detailed local weather conditions and allows you to check temperatures for other cities.

Real-time outdoor temperature displayLocation-based temperature readingsLocal weather condition reports
🔧 Utilities
(3.9K)
free with in-app purchases
14
Real Thermometer & Temperature
Real Thermometer & Temperature
Real Thermometer & Temperature
Check Temperature & Weather
Free

This application displays current temperature readings and tracks temperature variations over time. It offers a clear and convenient way to stay informed about environmental changes with fast access to information.

View temperature readingsTrack temperature variationsEasy-to-read displays
☀️ Weather
(3)
free with in-app purchases
15
Heart Rate & Water Tracker App
Heart Rate & Water Tracker App
Heart Rate & Water Tracker App
Pulse,body temperature monitor
Free

This app helps you monitor your body's water balance by calculating daily fluid intake goals and tracking your progress. It also includes features for tracking heart rate, temperature, weight, and physical activity.

Heart rate and temperature trackingDaily fluid intake calculationFluid intake tracking
🔧 Utilities
(9)
freemium
16
Temperature + Blood Oxygen app
Temperature + Blood Oxygen app
Temperature + Blood Oxygen app
Thermometer & saturation level
Free

Monitor your body temperature and blood oxygen saturation levels. Visualize your health trends over time with this simple tracking tool. Gain insights into your well-being.

Track body temperatureMonitor blood oxygen levelsView health trends
🏥 Medical
(72)
free with in-app purchases
17
TempPro Sensor
TempPro Sensor
TempPro Sensor
by iTronics Co., Limited
Free

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
🌟 Lifestyle
(11K)
free
18
Flir One
Flir One
Flir One
Thermal Camera for Smartphones
Free

This app transforms your smartphone into a thermal imaging device when connected to a compatible camera. It helps identify hidden issues like water damage, electrical faults, and HVAC problems with advanced visual enhancements and measurement tools. Document and share your findings easily.

Thermal camera viewCapture photos and videosTemperature spot measurements
📷 Photo & Video
(7.5K)
free with in-app purchases
19
Fever Thermometer | Body Temp
Fever Thermometer | Body Temp
Fever Thermometer | Body Temp
Temperature App for 98.6 Gauge
Free

Easily log and track body temperature for yourself and your family. Record measurements, add notes about health conditions or medications, and view a clear history of your readings. This utility does not require signup or internet access.

Log body temperatureTrack family temperatureAdd notes for health/medication
🏥 Medical
(246)
freemium
20
Microlife Connected Health+ US
Microlife Connected Health+ US
Microlife Connected Health+ US
by Microlife
Free

Manage your personal health by tracking readings from connected Microlife devices like blood pressure monitors and thermometers. Set personal targets, reminders, and generate data summary reports to maintain a healthier lifestyle. Easily review trends, add notes, and share your health data with family or doctors.

Transfer measurement data via BluetoothReview measurement trends and entriesAdd notes with text, photo, or audio
💪 Health & Fitness
(2K)
free