250+ iOS apps curated and reviewed
The best temperature checker watch apps on iPhone average 3.9★ across 250+ titles — we've ranked them by what real users actually keep on their phones. Updated July 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.6★ (401) | No | Yes | Aug 2026 |
| 2 |  | Free | 4.7★ (22K) | No | Yes | Aug 2026 |
| 3 |  | Free | 4.2★ (6) | No | Yes | Aug 2026 |
| 4 |  | Free | 4.0★ (37) | Yes | Yes | Aug 2026 |
| 5 |  | Free | — | No | No | May 2026 |
| 6 |  | Free | 4.5★ (10) | No | No | Aug 2026 |
| 7 |  | Free | — | Yes | Yes | Jul 2026 |
| 8 |  | Free | 4.2★ (37) | No | Yes | Jul 2026 |
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.
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.
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.
Instantly convert between Celsius and Fahrenheit with a smooth scrolling interface. This simple tool also displays the current temperature at your location.
Monitor your body temperature and log readings to track potential fever signs. This app helps you observe patterns, record health metrics, and even detect heart rate using your smartphone's camera. It also tracks symptoms, medications, and local heat index for proactive health management.
Quickly log body and basal body temperature data into Apple Health. Designed for users without smart thermometers who frequently measure and record temperatures manually. Offers customizable modes and seamless integration with the Health app.
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.
Get real-time temperature updates and accurate forecasts for your current or any selected location worldwide. Plan your day or trips with detailed weather predictions and a user-friendly interface.
This smart thermometer offers cloud-connected remote temperature monitoring for various environments. It supports multiple probes for accurate readings and can be accessed from anywhere via the cloud.
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.
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.
This app provides real-time room temperature readings, humidity tracking, and local weather forecasts. It functions as a digital thermometer, temperature sensor, and ambient temperature sensor for home or office use. View temperatures in Celsius or Fahrenheit and monitor your indoor climate for comfort and safety.
This utility app provides instant conversions between various temperature scales, including Celsius, Fahrenheit, and Kelvin. It features a user-friendly interface for quick and accurate calculations, making it ideal for everyday use in cooking, travel, or academic projects.
This app displays the current outdoor temperature for a chosen city. It provides detailed weather information including humidity, pressure, wind direction, and speed. Users can select their preferred temperature unit, Celsius or Fahrenheit.
Easily track family health by logging temperature changes and other vital signs. Create individual profiles to monitor each person's well-being over time with helpful charts and graphs. Set personalized reminders for consistent tracking and utilize voice input for added convenience.