245+ iOS apps curated and reviewed
Finding the right free thermometer app can be overwhelming with so many options. We've analyzed 245+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.4★ (4.2K) | Yes | Yes | Aug 2026 |
| 2 |  | Free was $2.99 | 4.0★ (49) | No | Yes | Aug 2026 |
| 3 |  | Free | 4.2★ (2.6K) | Yes | No | Aug 2026 |
| 4 |  | Free | 4.7★ (7.2K) | Yes | Yes | Aug 2026 |
| 5 |  | Free | 4.4★ (308) | Yes | Yes | Aug 2026 |
| 6 |  | Free | 4.3★ (13K) | Yes | Yes | Aug 2026 |
| 7 |  | Free | 4.2★ (2.1K) | Yes | No | Aug 2026 |
| 8 |  | Free | 4.6★ (57) | Yes | No | Jul 2026 |
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 transforms your smartphone into a precise digital thermometer. It displays real-time indoor room temperature, outdoor weather, and humidity levels with a classic retro interface. Customize themes and switch between Celsius and Fahrenheit for easy climate monitoring.
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.
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.
This app provides accurate indoor temperature readings in Celsius and Fahrenheit, along with outdoor weather context. It offers outfit suggestions, seasonal lifestyle tips, and the ability to create and share custom temperature cards with themed wallpapers.
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.
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.
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 application uses your device's location to display the current outside temperature and humidity. It offers readings in both Celsius and Fahrenheit, requiring an internet connection for accurate data.
This app helps you monitor the indoor temperature of your room. It offers unlimited weather details and temperature checks with an ad-free experience through a premium subscription. Various subscription plans are available for extended access.
Monitor your indoor room temperature and get real-time outdoor weather updates. Easily switch between Celsius and Fahrenheit to stay in control of your comfort and environment, whether at home or on the go.
This app connects to precision temperature monitors via Bluetooth to display real-time readings and control device settings. Save custom presets, set smart alerts, and review session history. It also features a QR scanner for loading manufacturer profiles.
Get real-time temperature and humidity readings, along with daily weather forecasts. This app provides accurate local weather data, detailed 7-day forecasts, and alerts for temperature changes. Monitor air pressure, wind speed, and sunrise/sunset times.
Monitor your home's indoor climate with a Bluetooth sensor and receive accurate weather forecasts. Get a comprehensive view of your comfort with real-time readings and a 5-day outlook, including air quality and sunrise/sunset times.
This application serves as a personal health assistant for monitoring body temperature. It allows users to track their temperature daily, securely save all recorded data, and maintain awareness of their health status for quick responses to changes. The interface is designed to be simple and intuitive.
This app uses your location to display the current temperature and a comfort index. It helps you decide how to dress and plan activities to avoid colds due to temperature changes. The interface is simple and shows temperature in Celsius or Fahrenheit, accurate to 0.1 degrees.