Home » Best Basal Thermometer Reviews – BBT Digital Thermometers for Ovulation

Best Basal Thermometer Reviews – BBT Digital Thermometers for Ovulation

Best Basal Thermometer

Our Top 10 Best Basal Thermometers Reviews

1. Basal Body Thermometer BBT 113Ai TTC – Best Digital Basal Thermometer

Basal Body Thermometer BBT 113Ai TTC
Editor Rating: 4/50

Feel empowered and in control of your reproductive health by being able to plan conception and pregnancy with BBT monitoring. For this purpose, you will need a BBT thermometer that works more accurately than a regular thermometer. The reason is that BBT113Ai TTC is specifically designed and created for tracking your fertility and ovulation. TTC is a decent choice because it can give you and your partner with accurate information and insights that t you’re looking for when it comes to ovulation and fertility.

It also lets users measure like a professional. With proper use and measuring every morning within a 2-hour window, women can effectively track minutest changes in their basal temperature for useful data when to conceive and get pregnant.

The BBT 113Ai TTC can help you get on insights about your cycle to know exactly if you’re ovulating. It can leave out all the guesswork from a traditional thermometer, giving you the exact body temperature each time.

And even the smallest temperature differences are important especially during ovulation when it can rise. This smart BBT thermometer can measure even 0.01 degrees of changes to let you know what is going on exactly.

Things We Liked:

  • Measures and monitors BBT accurately
  • Actual Temperature all the time
  • Helps you track your menstrual cycle
  • Can detect even 0.01 degrees temperature deviations
  • Provides a natural family planning method

Things We Didn’t Like:

  • First-time users might find it hard using it.
  • A bit expensive
  • Might suffer from wear and tear over time

2. Smart Basal Thermometer Femometer Intelligently

Smart Basal Thermometer Femometer Intelligently
Editor Rating: 4/50

It is a smart basal thermometer that can synchronize information to its app. With it, you can track BBT effectively and won’t miss another needed data. Charting, tracking and recording your basal temperature is easy with the Smart Basal Thermometer. So when it comes to convenience and reliability, this one is a decent choice.

Women, who are trying to conceive and get pregnant, can also depend on this basal thermometer because it can analyze BBT and measure pregnancy rate daily. It can also help in managing and monitoring menstrual cycles smartly. The Smart Basal Thermometer also simplifies everything regarding basal thermometer results.

Accuracy is also a great, reliable feature. It can offer up to ±0.09℉ accuracy measuring results correctly and converting them into charts and other interpretable data instantly.
By just taking the ca off and on, women can use it easily, allowing you not to even open your eyes when measuring your BBT. This thermometer can record and store data of up to 300 BBT info, allowing users to sync the data with the smart app.

Things We Liked:

  • Compatible with mobile devices, Apple iPhone 5+ and Android devices
  • Bluetooth compatibility
  • Data storage in the cloud
  • Results in as fast as 90 seconds
  • Fashionable lipstick design

Things We Didn’t Like:

  • Can be a bit pricey
  • Optimized and reference curves may be hard to understand at first.
  • May break over time

3. iFertracker – Best Body Basal Thermometer

iFertracker - Smart Fertility Tracker
Editor Rating: 3.5/50

iFertracker is a go to brand for women that want to make use of a basal body temperature thermometer tracker in order to check their fertility and ovulation.

There is no doubt, though, as this brand is consistent in providing topnotch BBT thermometer to its customers through the years.

When shopping around for the best BBT thermometer or tracker, you must consider precision.

You can rely on the model that is with a sensor that can collect 20,000 data pinots while you’re sleeping. It can provide you with an accurate reading to track ovulation.

It can also offer ovulation prediction with the Smart Analysis body thermometer app that can record data as well as track any physiological movements and responses in real time.

You can also conceive easily with the BBT trends charts that give you a better idea on ovulation.

It can also offer pregnancy possibility estimation along with a sleep quality analysis.

Overall, the wearable Smart Fertility Tracker is a decent choice if you want to precise and accurate data tracking plus a mobile app for recording BBT.

Things We Liked:

  • Precise data tracking
  • Can be up to 0.09°F or 0.05°C accurate
  • Data access for the app availability
  • Flash memory with up to 240 data storage time

Things We Didn’t Like:

  • Can worn out over time

4. [email protected] Best Smart Basal Thermometer

Easy@Home Smart Basal Thermometer
Editor Rating: 4/50

Another to consider when shopping around for best basal body thermometer is the [email protected] BBT thermometer.

It is with a large backlit and screen display that allows for easier viewing and tracking of data.

In addition, it is notable for offering an unlimited record storage on the cloud. You can also expect for up to 30 records recallable using it. More so, you can choose to use a Fahrenheit or Celsius reading.

It is also worth noting that it has a period tracker with PREMOM using your android or iOS device. Using the BBT thermometer, you might be able to get pregnant easier and faster than you would.

Also, this model is intelligent that it can predict the fertility window with an advanced algorithm incorporating fertility signs like ovulation test results and BBT with PREMOM.

This unit is also for those that want to avoid pregnancy. Overall, the [email protected]’s BBT thermometer is what you might want to take a look at for a reliable thermometer.

Things We Liked:

  • Accurate period and ovulation tracker
  • Automatic charting
  • Easy to use
  • Unlimited record storage with your account
  • Options for F or C degree reading

Things We Didn’t Like:

  • May not be the most accurate around

5. Geratherm Basal Mercury Free Thermometer – Best Glass Basal Thermometer

Geratherm Basal Mercury Free Thermometer
Editor Rating: 4/50

The GERATHERM pregnant thermometer is an easy to use fertility tracker that many mothers worldwide trust. For one, it is more affordable than other products in the same category are.

It can help in tracking your fertility so that you can time for sex better to get pregnant. So if you and your husband are looking to have a baby sooner, you might want to check out the mercury-free thermometer.

This product can promote awareness among couples that want to plan for their family and having children. It is reliable that it’s extra sensitive in terms of tracking your BBT.

In addition, it is one of the most reliable basal thermometers for ovulation that it has no mercury. That makes it eco-friendly and safe to use. You don’t also have to worry about having any difficulty reading it.

It has a design that has a calibration strip for accurate display of temperature so that you can get an accurate reading each time. This product is also easy to sterilize or disinfect.

The Geratherm glass thermometers are also FDA-approved, certifying of no toxic and harmful elements. Instead of mercury, it is with the safer option Galinstan.

Things We Liked:

  • Mercury-free thermometer
  • Easy to use and smart
  • FDA-approved Galinstan
  • Accurate and precise reading
  • Can help women get pregnant or avoid pregnancy

Things We Didn’t Like:

  • Glass is delicate and breakable

6. Generation Guard Basal Thermometer

Generation Guard Basal Thermometer
Editor Rating: 4/50

The Generation Guard Basal Thermometer can measure your BBT you need for fertility and ovulation tracking. It can be used as a tool for natural family planning. This thermometer can measure BBT accurately for up to 1/100th F, allowing you to keep track of even the smallest changes in basal temperature. It is a digital thermometer that helps you track your BBT accurately, but it must be done at the same time daily.

This BBT thermometer can give you peace of mind, too, because it is approved by the European CE and FDA. It only means that this device is calibrated, tested and approved for always-accurate results when tracking your body temperature. It also has an indicator bee, which signifies that the test is complete. Using an ovulation chart, users can record their basal and fertility temperatures.

Things We Liked:

  • Memory recall
  • Lightweight at 0.96 ounces
  • Clear LCD display
  • Highly sensitive to track even the minutest changes
  • Ovulation Chart included

Things We Didn’t Like:

  • Battery replacement needed from time to time
  • A bit pricey
  • Maybe a bit complicated to use at first

7. Fairhaven Health iBasal Digital Thermometer

Fairhaven Health iBasal Digital Thermometer
Editor Rating: 4/50

This digital BBT thermometer helps not only in measuring basal temperature but also in determining the changes following fertility and ovulation. However, the Fairhaven Health iBasal Digital Thermometer isn’t just an ordinary thermometer because it is also FDA-cleared.

This device can also deliver you with precise results including your peak fertile days and ovulation date, which are all based on your daily temperatures and a wide range of fertility indicators.

Users with regular and irregular cycles can make use of it so that they can track and monitor their unique menstrual cycle per month. It can also help with charting to help you correctly measure your BBT and then interpret the information for a fertility prediction.

Things We Liked:

  • Measures and calculates data precisely
  • Can display the cycle day
  • Can display a graph of 10 last readings
  • Can measure up to 1/100th of a degree

Things We Didn’t Like:

  • May not be as sensitive as other basal thermometers
  • Can be a bit expensive
  • Maybe complex for new users

8. Clinical Basal Thermometer BBT 113Ai SENSITIVE

Clinical Basal Thermometer BBT 113Ai SENSITIVE
Editor Rating: 4/50

We should not miss this 113Ai SENSITIVE basal thermometer in these basal thermometer reviews for its accuracy to measure even 1/100th Degree. It is also highly sensitive to detect the smallest changes. For women trying to become pregnant or plan their pregnancy, they can rely on this BBT thermometer for its always-accurate reading to predict ovulation and help you determine the right timings to conceive.

The BBT 113Ai SENSITIVE is a highly accurate BBT tool for tracking a woman’s ovulation pattern. It also features the Actual Temperature that means it has sensors that can adjust slowly to the actual BBT. It proves effective in tracking and charting ovulation, something helpful for Trying to Conceive Couples who need actual temperature readings. The manufacturer also guarantees peace of mind for every purchase – with this item’s hassle-free refund within 100 days.

Things We Liked:

  • Can measure up to 1/100th Degree
  • Accurate readings
  • Very sensitive for smallest temperature changes
  • Effective in ovulation tracking
  • Features Actual Temperature

Things We Didn’t Like:

  • Slow reading but for a reason – better charting of ovulation
  • A bit pricey
  • May break over time

9. iSnow-Med Basal Thermometer

iSnow-Med Basal Thermometer
Editor Rating: 3.5/50

The iSnow-Med is a reliable digital basal thermometer because it has the convenience features include a large memory of up to 60 days.

Choosing this model, you can have peace of mind that you have a dependable BBT thermometer in tracking your fertility and ovulation.

This model is also specifically designed and made for monitoring a woman’s ovulation cycle, helping you learn about your BBT in no time.

More so, you will appreciate that the pregnant basal temperature thermometer has a high clinical measurement accuracy of ± 0.09℉ or ± 0.05℃.

In addition, it has an integrated alarm clock, which makes it easier to use and set up. You will also appreciate that it has a blue backlit and large LCD monitor that makes reading in the dark convenient.

Overall, you might want to check it out if looking for basal thermometers for ovulation for its high performance features and functions.

Things We Liked:

  • Large memory up to 60 days
  • 0.09F Accuracy
  • Switchable C/F temperature
  • Built-in alarm clock
  • Large LCD monitor

Things We Didn’t Like:

  • Can be a bit tricky to use for first timers

10. Starlight and Sunny Basal Thermometer

Starlight and Sunny Basal Thermometer
Editor Rating: 4/50

BBT tracking is one of the most effective ways to monitor your ovulation in order to get pregnant. It is a simple solution to family planning. If you want a reliable thermometer for it, check out the Starlight and Sunny thermometer.

It is a highly sensitive and accurate thermometer that keeps track of BBT easily and precisely. Using it is easy! In fact, it only takes about 60 seconds to provide you with an accurate reading.

The basal body temp thermometer is 1/100th° Highly Sensitive, which makes it the perfect thermometer for tracking fertility and ovulation. You can rely on its durable construction, too.

Choosing it, you can expect for long-term use, giving you more out of your spending.

If you want fast and precise readings and simple ovulation tracking, you might want to check out the Starlight and Sunny Basal Thermometer.

Things We Liked:

  • Accurate and precise BBT monitoring
  • Large and easy to read display
  • Fast results
  • Can help women track ovulation effectively
  • Easy to use and convenient

Things We Didn’t Like:

  • Can break and malfunction over time

What Is A Best Basal Thermometer?

Whether you’re looking for a best basal thermometer with app or not, it pays off to know what this device is. It is not the ordinary thermometer that you used to track fever but an extra sensitive tool for measuring basal body temperature accurately even to the minutest changes to detect the time of ovulation and fertility.

Types of Basal Thermometer

There are two types of BBT thermometers we’re featuring here – the digital and the glass thermometer types.

Digital Thermometers

These thermometers are great for measuring temperatures because they usually have the last memory recall. It only means that you don’t need to record the temperature in the morning, but only turn the device back on for the last recorded temperature. Many of these also come with an indicator to notify you that it has completed the reading.

Glass Thermometer

These thermometers can measure one’s basal body temperature correctly, but they rely on mercury. This element also is very sensitive and is more preferred than other types of elements, such as spirit fillers. However, users need to shake the glass thermometer before use.

Glass Thermometer

What You Need to Know Before Buy a Best Basal Thermometer?

Before buying a BBT thermometer, you need to know of these certain factors that will help you pick the right one among the plentiful of selections on the market.

Temperature Reading

When choosing a basal thermometer, make sure that it can read up to 1/10th of a degree. It is also the more reliable choice because it can help you track even the minutest changes in a woman’s temperature in her cycle, allowing users to track fertility and ovulation times.

Digital vs. Mercury

These are the two types of basal thermometers as said earlier. They work in different ways, but they can help in detecting changes in a woman’s basal body temperature even to the slightest temperature changes for precise monitoring. Be sure to compare and consider your options well when selecting between mercury and digital thermometers.

Stand up feature

This feature is about convenience. A stand up design lets you keep the bags in the freezer conveniently without milk leaking or spilling.


Just like when buying any device or item for that matter, you should also think of the budget you’re willing to spend on this BBT tool. They are available in a wide range of prices based on their features and special functions, such as memory recall and beep indicators.

But then, don’t decide based on the price alone, but also read reviews to find out if what you’re eyeing on does not break only after a couple of months.

Notification Alert System

Does it beep to indicate when the thermometer has finished recording? It is not unusual to fall back asleep when you’re taking your temperature, so the beeping sound might just help to notify you when the device has finished measuring your temperature.


Whether it is a basal thermometer Walmart or not, a BBT thermometer is designed for the purpose of monitoring BBT changes for determining ovulation and fertility times. It is more sensitive for accurate results versus what an ordinary thermometer can deliver. The BBT thermometer can be accurate up to 0.01 degree while the ordinary type only up to 0.01 of a degree.


Between 30 and 60 seconds is the amount of time needed by a digital BBT thermometer to generate results. This range is faster than what glass BBT tools because it usually needs between four and five minutes to complete a measurement and generate a reading.


When it comes to durability, BBT thermometers are more durable than regular ones are. But then, glass types are more prone to damage than digital variants.

How to Use A Basal Thermometer

Take your temperature upon waking up and at the same time. It must also be within one hour, so set your alarm if needed.

Choose a placement – vaginally, orally or rectally. Stick with it. Be sure to take down notes and record every reading. There are also models to help you with this, so be able to compare your options well. Finally, read the maker instructions for complete details on how to use your basal thermometer.

Basal Thermometer Storage and Maintenance

Clean it once ore a few times weekly. You can use soap and water in general, but make sure to read maker’s directions for specific cleaning requirements. Regarding storage, keep it out of children’s reach. Have it in your bedside table’s closet.

Frequently Asked Questions

Can you take your basal body temperature with a regular thermometer?

Yes, but it won’t give you accurate results.

Where do you put a basal thermometer?

It can be orally, vaginally or rectally.

What basal temperature is ovulation?

– Before ovulation: 96 to 98 degrees
– After ovulation: 97 to 99 degrees

What is the normal temperature for a pregnant woman?

Your normal temperature will rise by up to 0.4 degrees if you’re pregnant.

How long does it take for your temperature to rise after ovulation?

It will take anywhere between 24 and 48 hours.

Why does progesterone increase body temperature?

It always does. For example, it increases it after ovulation as your corpus luteum starts breaking down if you’re not pregnant.

What happens to body temperature after ovulation?

It will increase by at least at least 0.2 degrees Fahrenheit higher than your temperature in the last six days.

What is a good progesterone level after ovulation?

In the mid-cycle, it will reach levels of more than 8-10 ng/ml, usually about at least seven up to 10 days after ovulation.

How do you know the day you ovulate?

Whether you’re looking for information and comparing basal thermometer vs regular, you should first, determine your cycle’s length. Ovulation takes place usually about two weeks before the days of your next period. It will occur around day 14 if your cycle is 28 days.


The clear winner in this best BBT thermometer review is the Smart Basal Thermometer Femometer Intelligently because of its intelligent features, including allowing data synching with an app. It is also durable and digital for l0ng-term and convenient use. It also offers up to ±0.09℉ accuracy for interpretable, ready data. This BBT thermometer is also compatible with iPhone 5+, Bluetooth and Android. Information can also be stored in the cloud. It is also fast that it generates results within 90 seconds. Hope you learned something from this guide on the best basal body thermometer so that you can pick the right BBT thermometer.

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