In recent technology era, there seems to be more of fertility-related devices coming into view. These devices ranges from fertility tracking to menstrual cycle analysis; all with the quest of providing solutions that’ll equip women with more beneficial insights about their bodies.
However, it’s vital to know which apps or devices that’ll be worth the investment of your time, money and maybe effort.
This article will be discussing specifically about Tempdrop and Natural Cycles, which are two fertility related solutions. Focus and attention will be on their features and how they’re compared in helping you monitor and achieve your fertility and health goals.
Key Takeaway:
- Tempdrop is a wearable BBT sensor, ideal for those with irregular sleep or routines.
- Natural Cycles is a certified contraceptive app that analyzes BBT data to predict fertility windows.
- Tempdrop and Natural Cycles can be used together for more accurate and automated fertility tracking.
- Tempdrop is better suited for TTC, shift workers, and breastfeeding moms.
- Natural Cycles requires consistent data input or a synced device for best results.
- Tempdrop offers more flexibility and passive tracking, while Natural Cycles provides FDA-approved fertility analysis.
- For full benefits, combine Tempdrop’s accurate data with Natural Cycles’ smart algorithm.
- Both tools are subscription-based and prioritize user privacy and data security.
- Check here and here for pricing on Amazon
Tempdrop Description

Basal body temperature (BBT) is the minimum temperature that your body can attain while you take your rest. Tempdrop is a wearable device that helps you to adequately track this temperature all through your round of sleep, thereby eradicating the necessity of having to check your temperature at the same time every morning using an oral basal body thermometer.
The device’s app helps you as an individual user to interpret your chart especially when you’re trying to conceive. The data gathered can be synced to the Tempdrop app which also includes the possibility of charting other signs of fertility to help you find out more about the phases of your cycle.
Tempdrop Pros and Cons
Pros
• Aside from basal body temperature, Tempdrop device also tracks users’ sleep patterns so as to provide more realistic view of users’ health.
• The device is convenient and easy to use, making it a stress-free option that helps users ensure continuous tracking.
• Since the device will not require daily calibration, this helps users to save time and effort.
• Tempdrop syncs effortlessly with well known fertility tracking apps, enabling users to compare data for more detailed insights.
• This device provides accurate temperature readings which is a vital indicator for fertility tracking and identifying ovulation patterns.
• The device allows you to sleep and wake up at separate times while using it.
• The device is suitable for individuals who work shifts or are not able to wake up the same time each morning to take temperature readings.
Cons
• This device cannot do without the app; it depends too much on it to help users interpret data.
• Some users may find it irritating and/or very uncomfortable to wear all through the night.
• This device is somewhat costly especially when compared with other basic BBT thermometers.
• The device is restricted in its operation as it does not feature the tracking of other health metrics like the heart rate or activity tracking.
• Poor quality data maybe collected if the device is not making adequate contact with the body.
Natural Cycles Description

This literally refers to an app that singlehandedly depends on a temperature-based algorithm to help figure out users’ safe days in order to avoid or achieve pregnancy.
This app translates basal body temperature data via the use of calculations to open the fertile window, and translate your temperature shift data to help you confirm ovulation.
Natural cycles Pros and Cons
Pros
• This app is accessible to a broad array of users.
• The app is ergonomic and provides clear instructions for tracking and inputting data.
• Natural Cycle is somewhat cost-effective especially when compared to some other fertility tracking methods and birth control options.
• Natural Cycle represents a natural alternative because of its non-invasive and hormone-free method of fertility tracking and birth control.
• The app’s algorithm offers users the needed individualized insights and recommendations on the basis of their data in order to give them a better understanding of their fertility patterns.
• The app offers users the confidence of its safety and reliability since it’s FDA-cleared for usage as a birth control method.
Cons
• Natural Cycles does not track any other health metrics except for just the fertility tracking as its major focus.
• Natural Cycles users are required to take their basal body temperature readings every morning, which may not be convenient for many individuals.
• The app depends massively on user input and the algorithm in order to interpret data which can be a setback especially for users who prefer standalone devices.
• Achieving accuracy as regarding fertility predictions is not guaranteed since it depends on users’ consistency and accuracy of temperature measurements.
Tempdrop vs Natural cycles (Side by Side Comparison)

• Basic Use: Tempdrop device and Natural Cycles app are viewed as vital tools in fertility tracking, while Tempdrop focuses primarily on tracking basal body temperature (BBT), Natural Cycles focuses primarily on tracking birth control.
• Cost: While Tempdrop cost varies from moderate to high, that of Natural cycles is considered to be cost-effective.
• Reliant on App: Tempdrop device and Natural cycles both depend massively on their apps for data interpretation that is needed to deliver the needed insights.
• Body Position Worn On: While Tempdrop is worn on the upper arm, body position worn on is not applicable in the case of Natural Cycles.
• Device Design: While Tempdrop is designed as a wearable sensor, Natural Cycles is designed as an app and basal thermometer.
• Precise Temperature Readings: While the level of measurement of temperature accuracy is high in Tempdrop, for Natural cycles the level of temperature accuracy is dependent on user measurement.
• Battery Duration: While the battery life of Tempdrop device varies, for Natural cycles such is not applicable.
FAQs
1. What’s the main difference between Tempdrop and Natural Cycles?
Tempdrop is a wearable basal body temperature (BBT) sensor, while Natural Cycles is a fertility tracking app that uses your BBT data (either manually entered or via a synced device). Tempdrop collects temperature data automatically while you sleep, making it ideal for those with irregular sleep or inconsistent routines. On the other hand, Natural Cycles requires either manual input or syncing from devices like Tempdrop or Oura Ring.
Explore more about Tempdrop’s working process here.
2. Can Tempdrop be used with Natural Cycles?
Yes. Tempdrop is compatible with Natural Cycles, making it easier to automate temperature tracking for users of the app. You simply sync your Tempdrop data to the Natural Cycles app, which then interprets the data to predict ovulation and fertile windows.
Learn more about Tempdrop and wearable BBT thermometers here.
3. Which is better for tracking irregular cycles?
Tempdrop is often considered superior for irregular cycles because it passively collects data during sleep and uses an adaptive algorithm that smooths out temperature noise. Natural Cycles can be helpful too, but it depends heavily on consistent data entry and works best with regular cycles.
PCOS? You may also want to explore the Mira reviews for PCOS.
4. Do I still need Natural Cycles if I have Tempdrop?
Not necessarily. Tempdrop comes with its own tracking app that allows you to view trends and export data. However, if you’re looking for FDA-approved birth control or an algorithm that interprets your temperature for you, Natural Cycles provides that service.
Read more about how Natural Cycles works here.
5. Is Natural Cycles FDA-approved?
Yes. Natural Cycles is the first FDA-cleared birth control app, recognized as a digital form of contraception. It predicts fertile windows based on your temperature and cycle patterns, but it needs accurate and consistent data input to remain effective.
Visit their official site here.
6. Is Tempdrop FDA-approved?
Tempdrop is not FDA-cleared as birth control, but it’s a certified medical device in several countries and is often used to support fertility awareness-based methods (FABMs). It helps collect more accurate data, which you can use with apps like Natural Cycles for decision-making.
Curious about Tempdrop’s legitimacy? Check their Q&A here.
7. Which one is easier to use daily?
Tempdrop is easier in terms of routine—you just wear it on your arm overnight, and it does the rest. Natural Cycles, however, often requires daily temperature input unless you’re using a synced device. Tempdrop helps reduce user error and missed readings.
You might also enjoy reading about Tempdrop vs Tempdrop 2.
8. What if I wake up at different times each day?
That’s where Tempdrop shines. Its algorithm compensates for irregular sleep patterns, allowing for more reliable BBT tracking even with inconsistent routines. Natural Cycles recommends taking your temperature at the same time every morning, making it less forgiving.
For similar alternatives, check out the Kegg fertility tracker reviews.
9. Which is more accurate for ovulation prediction?
Tempdrop offers highly accurate raw temperature data, while Natural Cycles uses algorithms to predict ovulation based on your input. When used together, they become a powerful fertility tracking combo. If you want full control and flexibility, Tempdrop may be preferable.
For even more tech-based tracking, look into the Mira Starter Kit reviews.
10. Which one is better for TTC (trying to conceive)?
Both are helpful for TTC. Tempdrop gives you more raw data, while Natural Cycles focuses on interpretation and timing. For maximum success, many TTC users combine both tools for clearer insights and more accurate fertile window predictions.
11. Can I use Natural Cycles alone without a Tempdrop?
Yes, but you’ll need to manually take your BBT every morning with a thermometer or use another compatible device. Using Tempdrop makes the process hands-free and less error-prone.
12. Do both require subscriptions?
Yes. Natural Cycles requires a monthly or yearly subscription for full access and algorithm support. Tempdrop also offers subscription plans with access to premium features like charting tools and integration options.
13. What devices are compatible with Natural Cycles?
Natural Cycles works with:
- Tempdrop
- Oura Ring
- Manual BBT thermometers
It does not support Apple Watch or Fitbit for BBT tracking as they don’t offer clinically accurate temperature data.
14. How do both handle sleep disruptions?
Tempdrop is specifically designed to filter out sleep disturbances and movement, making it more reliable for people who wake up frequently or do shift work. Natural Cycles may interpret such temperature variations as inaccurate, affecting predictions.
15. Which one is better for breastfeeding moms?
Tempdrop is ideal for breastfeeding mothers who may experience nighttime wakings, as it passively collects data without needing a fixed wake-up time. Natural Cycles might be harder to use reliably during this time.
16. What about data privacy?
Both companies prioritize data security. Natural Cycles is compliant with GDPR and maintains strict data-use policies. Tempdrop also ensures your health data is stored securely and can be exported anytime.
17. Can I switch from Natural Cycles to Tempdrop’s app?
Yes, you can export your data from Natural Cycles and begin charting in the Tempdrop app. However, Tempdrop’s app doesn’t provide contraceptive algorithm predictions—just temperature trend analysis.
18. Are there any studies backing these tools?
Yes. Natural Cycles has published peer-reviewed studies on its contraceptive efficacy. Tempdrop continues to be user-tested and medically certified, particularly as a BBT thermometer.
Check Natural Cycles’ science here.
19. Can I use Tempdrop if I sleep in a hot room?
Yes. Tempdrop’s smart sensor adjusts for ambient temperature and movement, helping to ensure reliable readings even in less-than-ideal sleeping environments.
20. Which one is better overall?
If you’re seeking automation, flexibility, and accurate data, Tempdrop might be the better standalone tool. If you prefer an app that does the interpretation for you—especially for contraception—Natural Cycles is a great option. Together, they offer maximum precision and ease.
Conclusion
As you’ve seen all the needed details about these two fertility tracking methods, it’s easy to say that Tempdrop is an expedient basal body thermometer, although it may not necessarily be ideal for everyone.
However, if you’re striving to achieve accurate temperature readings especially because your wake up time is all over the place, then Tempdrop is a great alternative. You may often need to crosscheck Tempdrop temps with a primary fertility biomarker like cervical mucus.
On the other side, Natural Cycles will not be a good recommendation for you if you’re strictly avoiding pregnancy since it’s an algorithm based charting app.
As technology keeps evolving the more, it’s possible that more improved and comprehensive options will be available to address various aspects of women’s health.
So depending on your choice, these technologically oriented devices will serve as a stepping stones towards a deeper understanding of your body and reproductive health.