Celsium is a temperature monitoring app designed to work with the Celsium wearable body temperature sensor (thermometer). To measure temperature with the application you will need to purchase the Celsium sensor.

The app offers the following features:

Body temperature monitoring
- Worn under the arm, our sensor can be connected to the iOS device via Bluetooth LE.
- The sensor sends a body temperature reading to the app every 4s. You can see this on the readout dial.
- You can see charts of how your temperature changes over time in the mini-graph and the graph page.

Historical data
- If you are wearing the sensor while the app is not running, it will store up to 20 days of historical temperature readings. Next time you connect to the app, these readings will be uploaded.

Temperature limit warnings
- You can set upper and lower temperature limits and receive an audible warning when your temperature goes outside this range.

- You can record when you take over-the-counter medication and see how it fits in with changes in your temperature.
- You can add reminders to take medication in the future.

Cloud synchronisation
- All your data is stored in the cloud, so you can use the app on a second device to monitor their temperature remotely.

What’s New

Version 1.0.2

Minor bug fixes only.

App Privacy

The developer, SMARTR Health Limited, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Linked to You

The following data may be collected and linked to your identity:

  • Health & Fitness
  • Location
  • Contact Info
  • Diagnostics

Privacy practices may vary based on, for example, the features you use or your age. Learn More


  • Family Sharing

    Up to six family members will be able to use this app with Family Sharing enabled.

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