---
product_id: 147738660
title: "Digital Basal Body Temperature Thermometer for Ovulation Fertility Tracking | Reliable readings, Easy to use, Clear display and Handy functionality"
brand: "femometer"
price: "$17.57"
currency: USD
in_stock: true
reviews_count: 8
category: "Femometer"
url: https://www.desertcart.us/products/147738660-digital-basal-body-temperature-thermometer-for-ovulation-fertility-tracking-reliable
store_origin: US
region: United States of America
---

# waterproof & easy-clean design auto BBT charting via app 0.01°C ultra-precise accuracy Digital Basal Body Temperature Thermometer for Ovulation Fertility Tracking | Reliable readings, Easy to use, Clear display and Handy functionality

**Brand:** femometer
**Price:** $17.57
**Availability:** ✅ In Stock

## Summary

> 🌸 Track, Chart, and Conquer Your Cycle Like a Pro!

## Quick Answers

- **What is this?** Digital Basal Body Temperature Thermometer for Ovulation Fertility Tracking | Reliable readings, Easy to use, Clear display and Handy functionality by femometer
- **How much does it cost?** $17.57 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/147738660-digital-basal-body-temperature-thermometer-for-ovulation-fertility-tracking-reliable)

## Best For

- femometer enthusiasts

## Why This Product

- Trusted femometer brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Safe for All Ages:** High-quality, waterproof materials ensure hygienic use for adults, kids, and toddlers alike.
- • **Seamless Manual Data Sync:** Effortlessly enter your BBT into the Femometer app for automatic charting and ovulation insights.
- • **Reliable Support & Warranty:** Backed by 1-year quality service and expert customer care for peace of mind.
- • **Empower Your Family Planning:** Track basal temperature trends to naturally plan pregnancy or contraception with precision.
- • **Pinpoint Your Peak Fertility:** Clinically tested sensor delivers 1/100th °C accuracy to track ovulation with confidence.

## Overview

The Femometer Digital Basal Body Thermometer offers ultra-precise 0.01°C accuracy to monitor basal body temperature, essential for identifying ovulation days. Designed with a waterproof tip and high-quality materials, it’s safe for all ages and easy to clean. While it requires manual data entry into the Femometer app, the app automatically generates detailed BBT charts and fertility insights, empowering natural family planning. Clinically tested and supported by a 1-year warranty, this pink clinical-grade thermometer is a trusted companion for fertility tracking and menstrual cycle management.

## Description

Product Description Product Overview Femometer Digital Basal Thermometer with LCD Screen. This thermometer helps you test your basal body temperature in the early morning. Combine with Femometer app to record, track, and chart your BBT. And it intelligently analyzes your BBT and calculates pregnancy rate of every day, thus helps with pregnancy, early-stage pregnancy monitor and manage your menstrual cycle better. Note 1: The LO. means the ambient temperature below 32 degrees Celsius. Not the battery low. And this is not a Bluetooth thermometer, you must manually enter the data in the app. Note 2: New and old packaging will be distributed randomly! DIRECTIONS Press the button to switch it on. The screen will show 188.88 as the thermometer beeps to signal the initiation. Following that, it is the last temperature you recorded, marked by the letter "M". Then another temperature around 37℃, which is for calibration, appears shortly on the screen to check the normal working status of the thermometer. Once the screen is showing "Lo"(it doesn't mean low battery but mean current ambient temperature is below 32℃), it means now it is ready for measurement. Thermometer Feature LCD Display Record Last Temperature High Accurate Soft Beep Switchable ℃/℉ Water Proof Tip Step 1. Download APP Download Femometer app on Google play or App store and create your account. Step 2. Measure Your BBT Uncap thermometer and put it under your tongue for about 3 minutes. After beeps, the measurement is done. Step 3. Read the Data Manually enter your BBT data into the app. you can check your BBT chart. Other data and insights are available for you to review. BBT Curve The BBT curve accurately shows your ovulation day, fertile days and period. Optimized mode curve and reference curve make reading easier. Intelligent combination of LH test The APP analyses your ovulation tests results, provides the guidelines of the use time of ovulation tests strips and sex time. Daily Record and Monthly Calendar Daily Record - Keeps track of other information such as period records, cervical fluid, sex, LH test, sleep, emotion, weight, medication, etc. to improve the accuracy of prediction. Monthly Calendar - A clear display of ovulation, fertile and infertile days, as well as daily notes recorded.

Review: Affordable Alternative to Natural Cycles – Works Perfectly with Manual Input. - I’m a total numbers girl and love keeping track of what’s going on with my body. I’d used Natural Cycles before, but when I saw how much the subscription had shot up (ouch!) I started looking for an alternative. I went for this one after finding out about the Femometer app. This particular thermometer isn’t Bluetooth (so it doesn’t link automatically), but honestly, the app still works perfectly well with manual input. Most importantly ... it’s free! The thermometer itself is really good quality, super easy to use, and comes in a sturdy plastic case to keep it safe. It gives accurate two-decimal readings and feels well made. I have had no issues with battery life and it's super easy to clean. In terms of storage - its pretty small so slips into a bedside draw easily without taking up loads of space. Overall highly recommend! Great value for money, and I’d definitely purchase again.
Review: The best thing I used to NOT get pregnant! - I got this thermometer, because my partner had had a vasectomy after us having a devastating loss. we decided we didn’t want any more children, so he went for a vasectomy and I purchased this so it made peace of mind for me knowing to abstain when I was ovulating. It worked a treat! Knowing how my body works is so empowering, and I highly recommend this to anybody who is trying to get pregnant or not! It’s also very handy because I know exactly when I’m due on my period too, and it has never been wrong!

## Features

- Good Choice for Family Plan - This new-version thermometer, which has the high accuracy of 1/100th degree, can be used as an ideal thermometer for pregnancy, or as one more accurate and reliable basal thermometer to monitor, like fever. Anyway, for the natural family planning process, this highly sensitive oral thermometer is an excellent device.
- Manually Entering & Automatically Chart - Use Femometer APP to record your BBT data (manually enter data into the app). The APP will automatically draw your BBT chart and pinpoint your ovulation. We respect your data privacy. All your data is safely stored in the cloud but is accessible via app.
- Not the Fastest but Accurate - Passed clinically test and used the latest advanced sensor probe, this oral thermometer may take a little longer when tracking your actual basal body temperature. But it also means you can know exactly what's going on in your body.
- Safe & Multifunctional - Safe to use, and for all ages like adults, kids, toddlers or babies. This digital thermometer is made from high-quality material. Waterproof design is easy to clean. For disinfection, 75% ethanol can be used. Easy, convenient and eco-friendly.
- Full Customer Service - We provide 1-year service on quality-related problems. Technical service is available. For any issues, please contact our Customer Service Team directly or with Femometer APP at any time.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07VF464QD |
| Age Range Description | Adult |
| Age range (description) | Adult |
| Best Sellers Rank | 23,674 in Health & Personal Care ( See Top 100 in Health & Personal Care ) 5 in Fertility Thermometers |
| Brand | femometer |
| Colour | Pink |
| Connectivity Technology | Bluetooth |
| Country Of Origin | China |
| Customer Reviews | 4.2 out of 5 stars 279 Reviews |
| Display Type | LCD |
| Indoor Outdoor Usage | Indoor |
| Lower Temperature Rating | 188.88 Degrees Fahrenheit |
| Manufacturer | Joytech Healthcare Co.,Ltd |
| Manufacturer Part Number | 3032 |
| Model Name | Femometer Basal digital thermometer |
| Model Number | 778942363209 |
| Number of Batteries | 1 LR44 batteries required. (included) |
| Outer Material | Plastic |
| Outer material | Plastic |
| Power Source | Battery Powered |
| Product Care Instructions | Wipe Clean |
| Resolution | PT is: THERMOMETER. GL is: gl_bis |
| Reusability | Rechargeable |
| Smart Home Compatibility | Not Smart Home Compatible |
| Special Features | LCD display |
| Special feature | LCD display |
| Specification Met | FDA |
| Specification met | FDA |
| Style Name | Clinical |
| UPC | 778942363209 |
| Unit Count | 1.0 count |
| Upper Temperature Rating | 100 Degrees Fahrenheit |

## Product Details

- **Age range (description):** Adult
- **Brand:** femometer
- **Colour:** Pink
- **Connectivity technology:** Bluetooth
- **Display type:** LCD
- **Outer material:** Plastic
- **Product care instructions:** Wipe Clean
- **Special feature:** LCD display
- **Specification met:** FDA
- **Unit count:** 1.0 count

## Images

![Digital Basal Body Temperature Thermometer for Ovulation Fertility Tracking | Reliable readings, Easy to use, Clear display and Handy functionality - Image 1](https://m.media-amazon.com/images/I/51uK1idFacL.jpg)

## Available Options

This product comes in different **Color** options.

## Questions & Answers

**Q: Do you have to pay a subscription for the app?**
A: Hi friend, 
The femometer app is free download and free functions are enough to use. 
Here are free functions：Record Temperature/Record Symptoms/Draw&Check BBT Curve/Check Calendar/Read Articles/ntelligent Recognition of Ovulation Test Strips/Privacy Security Password Lock. 
Here are £9.9/month functions：current cycle interpretation/previous cycle interpretation/conception guidance/conception prediction/sex scoring/bbt measurement scoring/cm recording scoring/LH test result scoring/similar curves/curves overlay/symptom statistics/cycle statistics/cycle distribution/cycle summany/export data. 
Please fell free to contact us via amazon or email to support@bongmi.com 
Femometer team

**Q: How do you switch from •C to •F?**
A: Hi,
Please follow this way to change the units: 1.turn off the thermometer 2. hold the button for about 3-5 seconds, a beep will be sound, and the screen will flash with"lo" and the unit is changes.3.you can test your temperature now.

**Q: I can’t download the app? says it’s not available in the u.k.? what other apps can i use?**
A: I’m in the UK and was able to download the Femometer app onto my iPhone 8 with no issues. Have you tried again recently? I did notice that a couple of other sponsored apps appeared before the Femometer app on the search results, and nearly downloaded the wrong one at first. It’s called Femometer and the logo is pink with the same symbol on it that’s on the thermometer. It also has ‘EU’ in the lower right corner, in blue.

**Q: Do you pay £8.99 for this a month?**
A: No, there was a one-off fee to purchase the thermometer, and there is a free app you can download to record the temperatures. I believe you can pay an additional fee to access certain features in the app, but it provides plenty of information for free. Or you can just use the thermometer as it is and not use the app at all.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Affordable Alternative to Natural Cycles – Works Perfectly with Manual Input.
*by O***Y on 29 October 2025*

I’m a total numbers girl and love keeping track of what’s going on with my body. I’d used Natural Cycles before, but when I saw how much the subscription had shot up (ouch!) I started looking for an alternative. I went for this one after finding out about the Femometer app. This particular thermometer isn’t Bluetooth (so it doesn’t link automatically), but honestly, the app still works perfectly well with manual input. Most importantly ... it’s free! The thermometer itself is really good quality, super easy to use, and comes in a sturdy plastic case to keep it safe. It gives accurate two-decimal readings and feels well made. I have had no issues with battery life and it's super easy to clean. In terms of storage - its pretty small so slips into a bedside draw easily without taking up loads of space. Overall highly recommend! Great value for money, and I’d definitely purchase again.

### ⭐⭐⭐⭐⭐ The best thing I used to NOT get pregnant!
*by B***S on 4 January 2024*

I got this thermometer, because my partner had had a vasectomy after us having a devastating loss. we decided we didn’t want any more children, so he went for a vasectomy and I purchased this so it made peace of mind for me knowing to abstain when I was ovulating. It worked a treat! Knowing how my body works is so empowering, and I highly recommend this to anybody who is trying to get pregnant or not! It’s also very handy because I know exactly when I’m due on my period too, and it has never been wrong!

### ⭐⭐⭐⭐⭐ Comes with case
*by C***T on 1 October 2025*

Love it, worked as expected comes like a clear case

## Frequently Bought Together

- Digital Basal Body Thermometer, Fertility Monitor Thermometer, Record BBT Manually, Draw BBT Chart Pinpoint Ovulation Day, High Accuracy, Perfect Companion for Ovulation Tracking, Pink
- Easy@Home 25 x Ovulation Test Strips, Ovulation Predictor Kit, Powered by Premom Ovulation Predictor iOS and Android App, 25 LH Strips

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-07-22*