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Best Thermal Temperature Apps

209+ iOS apps curated and reviewed

4.1 avg rating
19 free apps
Updated May 2026

Finding the right thermal temperature app can be overwhelming with so many options. We've analyzed 209+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.

Top Picks for Thermal Temperature

Flir One#1

Flir One by FLIR Systems Aktiebolag

Thermal Camera for Smartphones
Editor's Choice
📷 Photo & Video
4.6😐(7.5K ratings)
FreeIn-App Purchases
Flir One screenshot 1
Flir One screenshot 2
Flir One screenshot 3
Flir One screenshot 4
Flir One screenshot 5

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.

What We Love

  • 🚀 Great for finding animals
  • 🚀 Excellent affordable option for home inspection
  • 🚀 Valued piece of tech for animal rescue
  • 🚀 Excellent piece of equipment

Room to Improve

  • 🐛 Image alignment issues
  • 🐛 Scam - won't connect
  • 🐛 Poor App/Image refresh
FoxIR#2

FoxIR by 俊华 邹

Foxwell
Strong Contender
📷 Photo & Video
0.0(0 ratings)
Free
FoxIR screenshot 1
FoxIR screenshot 2
FoxIR screenshot 3
FoxIR screenshot 4
FoxIR screenshot 5

This thermal imaging app transforms your phone into a portable infrared camera. It captures detailed thermal images and temperature data, allowing for precise measurements and real-time monitoring. Analyze temperature variations, set alarms, and generate comprehensive reports.

Body Temperature App For Fever#3

Body Temperature App For Fever by AboutMe Apps, Inc.

Thermometer. Checker. Tracker
Worth Considering
🏥 Medical
4.7😞(22K ratings)
FreeIn-App Purchases
#20in Medical
Body Temperature App For Fever screenshot 1
Body Temperature App For Fever screenshot 2
Body Temperature App For Fever screenshot 3
Body Temperature App For Fever screenshot 4
Body Temperature App For Fever screenshot 5
Body Temperature App For Fever screenshot 6

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.

What We Love

  • ⭐ Accurate temperature readings
  • 📊 Helpful for tracking health symptoms
  • 🔍 Useful when no thermometer is available

Room to Improve

  • 💰 Subscription-based model
  • 🤔 Misleading claims about temperature measurement
  • 🤖 Inaccurate temperature estimates

More Thermal Temperature apps to explore

4
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
5
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
6
RIDGID Thermal
RIDGID Thermal
RIDGID Thermal
by The Ridge Tool Company
Free

Connect to Wi-Fi enabled thermal imagers to transfer, analyze, and organize thermal images on your smartphone or tablet. Easily add measurements, annotations, and adjust color palettes before saving and sharing your findings.

Wi-Fi image transferThermal image analysisSpot measurements
📷 Photo & Video
(128)
free
7
Thermal Vision FX Camera :iTVC
Thermal Vision FX Camera :iTVC
Thermal Vision FX Camera :iTVC
Live Heat Imaging Filter Magic
Free

Apply real-time thermal-style heat vision filters to your camera feed. Enhance your photos and videos with unique visual effects. Supports standard iOS screen recording for video capture.

Real-time thermal vision filtersLive heat imaging effectsVideo recording via iOS screen recording
📷 Photo & Video
(761)
ad-supported
8
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
9
Night Vision - Camera & Video
Night Vision - Camera & Video
Night Vision - Camera & Video
Super thermal cam infrared IR
Free

Transform your iPhone into a night vision device. Utilize advanced camera features to see in low-light conditions, with different range capabilities for front and back cameras. Explore enhanced visibility for various scenarios.

Night vision device functionalityLow-light visibilityThermal camera simulation
📷 Photo & Video
(5.1K)
subscription
10
Bosch ThermalOn
Bosch ThermalOn
Bosch ThermalOn
Share the invisible!
Free

Easily document and share temperature measurements from a thermal imaging camera. Overlay thermal and real images, add notes, and export data for efficient on-site reporting. Ideal for professional tradespeople.

Transfer and display thermal imagesExport as JPEG or PDFOverlay thermal and real images
📊 Productivity
(5)
free
11
Thermals
Thermals
Thermals
Is your iPhone throttling?
Free

Monitor your device's thermal state and processor activity to diagnose performance issues. Understand why your phone might be running slowly, charging slowly, or have reduced brightness due to overheating. Export data for further analysis with other development tools.

Displays device thermal stateShows active processor countMonitors device uptime
🛠️ Developer Tools
(23)
free
12
Digital Temperature Converter
Digital Temperature Converter
Digital Temperature Converter
°C to °F Calculator & Checker
Free

Effortlessly convert temperatures between eight different units including Celsius, Fahrenheit, Kelvin, and more. This app provides accurate conversions with clear formulas, making it ideal for students and professionals needing quick temperature calculations.

Converts between 8 temperature unitsDisplays conversion formulasUser-friendly interface
🔧 Utilities
(1.1K)
free with in-app purchases
13
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
14
ThermoWorks
ThermoWorks
ThermoWorks
by ThermoWorks, Inc.
Free

Monitor cooking, BBQ, and ambient temperatures with compatible Bluetooth and Wi-Fi devices. Features enhanced graphing, alarms with push notifications, and cloud storage for session data. Ideal for professionals and enthusiasts needing precise temperature control.

Real-time temperature monitoringCustomizable temperature alarmsPush notifications for alerts
🔧 Utilities
(16K)
free
15
Embr Wave 2
Embr Wave 2
Embr Wave 2
Personal Thermal Relief
Free

Control a wearable thermal device to manage temperature discomfort, stress, and improve sleep. Explore custom sessions, personalize settings, and track usage for better well-being.

Explore thermal sessions for sleep, relaxation, and focusPersonalize device button programmingCustomize temperature and session duration
💪 Health & Fitness
(3.8K)
free with in-app purchases
16
Embr Wave 1: Thermal Wellness
Embr Wave 1: Thermal Wellness
Embr Wave 1: Thermal Wellness
Hot Flashes, Sleep, Stress
Free

Control your personal comfort with a wearable device and its companion app. Adjust temperature settings to manage hot flashes, improve sleep, and reduce stress. Explore various thermal waveforms for enhanced relaxation and well-being.

Personalize temperature and durationChoose thermal waveformsImprove comfort and relaxation
💪 Health & Fitness
(2.1K)
free
17
Thermal P2
Thermal P2
Thermal P2
by Raysen Microsystem Technology Co., Ltd.
Free

This professional thermal camera connects to your smartphone for plug-and-play temperature measurement. It's ideal for both personal and industrial use, from inspecting household utilities to diagnosing equipment issues.

Ultra-small professional thermal camera12μm high-performance infrared detectorSelf-developed ASIC chip
🔧 Utilities
(27)
paid
18
Temperature Converter
Temperature Converter
Temperature Converter
Celsius Fahrenheit Kelvin
Free

Easily convert temperatures between Celsius, Fahrenheit, and Kelvin with a clean and intuitive interface. This utility app offers quick and accurate conversions for everyday use. Ads are present but can be removed via a one-time purchase.

Celsius conversionFahrenheit conversionKelvin conversion
🔧 Utilities
(6.3K)
free with in-app purchases
19
Fluke iSee
Fluke iSee
Fluke iSee
for Fluke TC01B Thermal Camera
Free

This application connects to a thermal camera accessory to measure temperature and perform thermal imaging detection on your smart device. It's useful for inspections, field observations, and even educational purposes, revealing the hidden world of temperature.

Real-time temperature measurementThermal imaging detectionConnects via Lightning interface
🔧 Utilities
(9)
free
20
Thermal Light
Thermal Light
Thermal Light
by Crystal Clear Solutions
$1.99

This app measures the temperature of extremely hot objects by analyzing the light they emit. It's designed for users working with materials like iron, steel, and copper, offering a cost-effective alternative to specialized thermometers.

Measures temperatures from 1000F to 2700FUses black body radiation analysisCalibrated against certified IR thermometer
🔧 Utilities
(5)
paid

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