Femometer Smart Basal Thermometer Purple 0.05°C 30s-5min
A purple basal thermometer with 0.05°C accuracy and 30-second to 5-minute modes syncs automatically to an app for ovulation and period tracking
- Product colorPurple
- Accurate ovulation tracking with 0.05°C precision
- Discreet lipstick design for private daily use
- Three measurement modes from 30 seconds to 5 minutes
- Adjustable beep volume avoids disturbing sleep
- Yellow backlight enables easy reading in darkness
Smart Basal Thermometer for Ovulation Tracking
This digital basal thermometer pairs with a smartphone app via Bluetooth to automatically record basal body temperature and calculate the ovulation cycle. It is designed for women who want to conceive faster, practise natural birth control, or monitor early pregnancy symptoms. The lipstick-inspired purple case keeps the purpose discreet for everyday carry.
Simple Lid Operation and App Setup
There are no buttons; pulling the lid up powers the device on and pushing it down shuts it off. A quick measurement can be taken first thing in the morning before getting out of bed. The app guides you through download, Bluetooth pairing, and a prime claim step before the first reading. A gentle adjustable beep signals completion without disturbing a sleeping partner.
High Accuracy Modes and Cloud Storage
Accuracy reaches 0.05°C or 0.09°F to capture the smallest temperature shifts. Three modes — fast, normal, and mercury — offer measurement times from 30 seconds up to 5 minutes. Unlimited records are stored in the cloud for long-term trend analysis. The display shows LO when ambient temperature falls below 32°C, which is not a low-battery warning. The thermometer is waterproof for easy cleaning.
How it compares
Measured against everything we stock in Digital Thermometers & Hygrometers, at today’s prices. Recalculated every night.
- Price $27.99
- Pricier than about 63% of the 925 comparable items (median $23.99).
Specifications
| Product | |
|---|---|
| Product color | Purple |
Questions about this item
How do I confirm the thermometer is recording basal body temperature correctly after pairing with the app?
After Bluetooth pairing, take a morning measurement; the app will auto-generate a BBT curve and display the reading with 0.05°C accuracy so you can verify it is tracking as intended.
What comes in the box and do I need to buy a battery or probe covers separately?
The thermometer ships ready to use with its lipstick-style case; no separate probe covers are required and the battery is already installed for immediate measurement.
Which measurement mode should I choose — fast, normal or mercury — for the most reliable ovulation tracking?
Select the mode in the app: fast gives a reading in 30 seconds, normal takes longer, and mercury mode runs up to 5 minutes for the highest 0.05°C precision when charting BBT fluctuations.
More in Digital Thermometers & Hygrometers
Similar items
Acurite 00613B Digital Indoor Thermometer and Hygrometer Classic
- 32 degrees fahrenhe…
- +/- 2 °F
Atlas California Trading Inc Infrared Non-Contact Digital Thermometer White
- 1 second
- 1-5 cm
Taylor Wireless Thermometer & Hygrometer 248688 Black 3.8in 200ft
- 14.2 degrees fahren…
- Infrared Thermometer





