214+ iOS apps curated and reviewed
The best room thermometer app free apps on iPhone average 4.4★ across 214+ titles — we've ranked them by what real users actually keep on their phones. Updated May 2026.
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.
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.
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.
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 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.
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.
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.
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.
Control your home's climate remotely with a smart thermostat. Adjust temperature, set schedules, and receive alerts from anywhere. Integrates with popular smart home platforms for seamless control.
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 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.
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.
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 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.
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.
Remotely monitor and control your Daikin, Amana, and Goodman heating and cooling systems from anywhere. Manage multiple locations, adjust settings, and receive important system notifications and energy usage insights.
This app provides real-time ambient temperature and humidity readings, along with daily weather forecasts. It offers a user-friendly interface to check current conditions, humidity levels, and environmental data like wind speed and air pressure. Easily switch between measurement units for a personalized weather experience.
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.
Access real-time outdoor temperature information with this intuitive mobile application. It provides accurate, up-to-the-minute weather updates through a user-friendly interface, keeping you informed about current conditions.