Thermometer++ Room Temperature provides accurate ambient temperature measurements with real-time readings, support for Celsius and Fahrenheit units, a user-friendly interface, and a historical data log to track temperature changes over time.

Yes, it is free to download and use. It may include in-app purchases or ads to support development. The core features are available at no cost, but premium features might require payment.

The accuracy depends on the device's sensors. It uses the built-in temperature sensor if available or calculates temperature based on environmental data. While generally fairly accurate, it may not match professional-grade thermometers.

Yes, it can be used offline since it primarily relies on the device's internal sensors. However, features requiring internet access, like weather updates, will need an active internet connection.

Users can easily toggle between Celsius and Fahrenheit by accessing the app’s settings menu. This allows customization according to regional preferences, improving user experience.