225+ iOS apps curated and reviewed
The best temperature checker watch apps on iPhone average 4.2★ across 225+ titles — we've ranked them by what real users actually keep on their phones. Updated June 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.6★ (394) | No | Yes | Jul 2026 |
| 2 |  | Free | 4.7★ (22K) | No | Yes | Jul 2026 |
| 3 |  | Free | 4.2★ (6) | No | Yes | Jul 2026 |
| 4 |  | Free | 2.5★ (90) | Yes | No | May 2026 |
| 5 |  | Free | 4.6★ (128K) | Yes | Yes | Jul 2026 |
| 6 |  | Free | 3.6★ (97) | Yes | Yes | Jul 2026 |
| 7 |  | Free | 4.8★ (17K) | No | No | Jul 2026 |
| 8 |  | Free | 4.7★ (7.1K) | Yes | 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.
Easily log body temperature and basal body temperature data directly from your Apple Watch to the Health app. Features a sophisticated UI designed for the Digital Crown, making data entry quick and intuitive. Note: This app registers measured values; the Apple Watch itself does not measure temperature.
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.
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.
This app provides an instant mobile refrigerant charge calculator for HVACR applications. It supports various refrigerants and allows users to calculate the correct system charge based on superheat, subcooling, or airflow, along with environmental conditions.
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.
Monitor and manage your phone's heat in real time with smart cooling tools and an easy dashboard. Optimize performance and extend device life with live thermal tracking and one-tap modes for gaming, battery saving, and everyday use.
Monitor your heart rate using your iPhone's camera and log blood pressure and oxygen saturation. Receive daily wellness assessments, habit tracking, and emotional wellbeing tools. This app is for fitness and general wellness information.
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 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.
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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.
Easily log and analyze your temperature readings to track trends over time. This app provides a user-friendly interface for recording data and offers secure storage for your health history. It's designed to help you manage temperature information efficiently.
This companion app syncs with Fossil smartwatches to track fitness, sleep, and receive notifications. It allows users to control music, check commute times, and customize watch faces and shortcuts for personalized functionality.
This app provides a comprehensive overview of your Apple Watch health data, offering detailed analysis of heart rate, activity, and workouts. It features intelligent trend analysis, personalized goals, and the ability to log notes and measurements for a complete wellness picture. Export your data for medical practitioners.
Easily record and visualize your body temperature trends. This tool helps you monitor your health and that of your family or patients through graphical representations. Remember, this app's measurements are for recommendation only and not for medical diagnosis.
Estimate and log body temperature using biometric inputs like pulse and respiration. Manually enter readings or use in-app measurements with a subscription. Not for medical use, but provides wellness estimations.