
Best selling Ovulation trackers
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1. Teena Period tracker
The Teena Period Tracker is an innovative tool specifically designed for teenagers to help them better understand their female cycle and get to know their bodies. The combination of a physical tracker and a companion app allows users to accurately track their cycle phases and learn about important aspects of puberty. By measuring their body temperature under the tongue each morning and syncing with the app, teens gain valuable insights into their cycle progression. The app also offers informative content created by experts to promote awareness of their own bodies and enhance health literacy. Teena is therefore not only a practical tool but also a valuable support for young women on their journey to self-acceptance and confidence.
- Accurate cycle predictions through morning temperature measurement
- Companion app with informative content from experts
- Promotes understanding of one's own body and puberty
- Strengthens health literacy and the self-confidence of users.

2. Beurer OT 30
Family and life planning in harmony: Natural methods for cycle control and targeted family planning can be easily implemented. With modern temperature measurement technology combined with a cycle app, the Beurer Basal Thermometer offers entirely new possibilities for more accurately identifying fertile and non-fertile days.
- Display of 2 decimal places
- In conjunction with the "Ovy" app for natural cycle control
- Data transfer via Bluetooth
- Measurement time approximately 3 minutes
- Contact measurement technology
- Suitable for oral and vaginal measurement
- Wireless data transmission
- Illuminated LED ring to indicate transmission
- Flexible measurement tip
- Waterproof
- Disinfectable
- Measurement accuracy: ±0.05°C at 35.00 - 38.00°C (ambient temperature 18.00 - 28.00°C), in the remaining measurement range: ±0.1°C
- 30 memory slots
- Automatic shut-off
- Signal tone at the end of measurement
- Medical device
- Comes with a protective cap.
Pro
- Small and handy
- Very handy and small
- Ovy app free for 1 year
Contra
- Bluetooth transmission does not work
- Many details in the app cost extra

3. Beurer OT 20
Family and life planning in harmony: Natural methods for cycle control and targeted family planning can be easily implemented. With modern temperature measurement technology combined with a cycle app, the Beurer Basal Thermometer offers entirely new possibilities for more reliably identifying fertile and non-fertile days. It displays two decimal places and works in conjunction with the Ovy app for natural cycle control. The thermometer features contact measurement technology, is suitable for oral and vaginal measurement, has a flexible measuring tip, and is waterproof. It can be disinfected and has a measurement accuracy of ±0.05 °C at 35.00 - 38.00 °C (ambient temperature 18.00 - 28.00 °C); in the remaining measurement range, the accuracy is ±0.1 °C. It includes one memory space, automatic shut-off, and a signal tone at the end of measurement. This medical device comes with a protective cap and offers a free download of the Ovy app.
Pro
- Temperature display with two decimal places works well
- Flexible tip
- Fast measurement, flexible tip
Contra
- Beeps 4 times loudly after the measurement
- app does not work
- Takes a long time
