trackle Support

The sensor is about 6.6 cm x 2.3 cm. It is worn vaginally during the night and reliably measures your body’s core temperature. When worn, the sensor sit...

The trackle sensor is made of medical-grade silicone. As part of our certification, we had the material tested for cytotoxicity and genotoxicity in an exter...

No, please never boil the sensor! This can damage the sensor and invalidate your warranty. If you would like to learn more about cleaning, please take a loo...

Most trackle customers don’t feel the sensor at all – like a tampon, it is no longer noticeable once it is inserted deeply enough. Also, the sensor is encas...

You can start measuring as soon as your sensor arrives.  If you still know when your last period was, you can enter it later in the trackle app. For an eva...

There are two different measuring accuracies for the trackle sensor: Absolute measurement accuracy of +/-0.1 °C Relative measurement accuracy of +/-0.01 ...

trackle only measures when it is inside your body.

To determine the basal body temperature value, the sensor must be worn for at least 4 hours while you sleep. We recommend wearing the sensor every night fro...

Insert the sensor into your vagina as you would do with a tampon. Once it is in the right position, you should no longer feel it.

Try to transmit your measured data every morning if possible, so your evaluation is precise to the day. However, the trackle sensor can store up to 7 nights!