202+ iOS apps curated and reviewed
The best digital thermometer free apps on iPhone average 4.1★ across 202+ titles — we've ranked them by what real users actually keep on their phones. Updated June 2026.
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.
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.
This app provides real-time temperature readings for both indoor room environments and outdoor locations worldwide. It offers detailed weather forecasts, including hourly and daily predictions, wind speed, humidity, and sunrise/sunset times. Easily monitor your home comfort or plan your travels with location-based weather information.
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.
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.
This app works with a wireless meat thermometer to help you cook meats perfectly. It provides cook time estimates, guided cooking instructions, and notifications when your food is ready. Monitor your food remotely and enjoy perfectly cooked meals every time.
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.
Monitor indoor and outdoor temperatures in real time with detailed historical data and trend charts. Track temperatures from multiple locations simultaneously and access basic environmental data and converters.
This app provides real-time indoor room temperature and outdoor weather updates. It also monitors humidity levels and wind speed, offering a convenient way to stay informed about your climate.
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.
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.
This app provides highly accurate, real-time outdoor temperature readings for your precise location worldwide. It utilizes advanced algorithms and multiple data sources to deliver temperature data to the tenth of a degree, offering various display themes and units.
Log and analyze your body temperature with detailed symptom tracking. Visualize trends with interactive charts and export your health records. Supports multiple languages for global users.
Connects to a specific infrared thermometer model via Bluetooth to display real-time temperature readings on your iPhone. Allows remote monitoring, mode switching, and saving measurement data to files.
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.
This app provides real-time weather data for your current location, including temperature, humidity, and atmospheric pressure. It's a simple, quick, and effective tool for staying informed about immediate weather conditions.