Tempdrop vs MyCircadianApp
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Tempdrop
This app works with a specialized thermometer to track subtle overnight temperature changes. It helps identify hormonal fluctuations throughout the menstrual cycle, pinpoint ovulation, and predict cycle phases. The data supports fertility awareness and cycle tracking.
- Basal body temperature tracking
- Ovulation pinpointing
- Menstrual cycle prediction
- Hormonal fluctuation correlation
- Fertility awareness support
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The Tempdrop app is designed to complement the Tempdrop device - a personalized user-specific thermometer that captures minute temperature variations throughout the night to pinpoint the basal body temperature. Detected variations in temperature correlate with hormonal fluctuations throughout the menstrual cycle. When used with the Tempdrop device, this app can help users to pinpoint ovulation and effectively track and predict the varying phases of the cycle. Disclaimer: The Tempdrop sensor and app are intended as complementary instruments to enhance your ability to monitor your fertility and share health details. The app and its wearable sensor, in themselves, are not, nor are they intended to be, a fertility monitor, a substitute for contraception, or a birth control method. We recognize the need of some to use the data and information provided to support ongoing health and menstrual cycle tracking, however, it is important to note that this should NOT be used as a substitute for an in-presence qualified professional, medical analysis, advice, guidance, or treatment. We strongly advise seeking a qualified Fertility Awareness instructor or other self-teaching resources to learn a symptothermal method and support your fertility journey. The provided interpretations and prediction guidelines are not suitable for use with irregular cycles. Optimal performance is dependent on correct and consistent use. Individual usage, wearing, input, and circumstances can affect the data. The user is fully responsible for the individual data inputs. The Tempdrop Sensor is approved for use in the USA, and is registered in the FDA database under registration number 3016099071. The device is classified as "Device, Fertility Diagnostic, Proceptive”. A link to the terms of use - https://www.tempdrop.com/pages/tos A link to the privacy policy - https://www.tempdrop.com/pages/privacy-policy
MyCircadianApp
Optimize your health by tracking sunlight exposure, UV index, and vitamin D synthesis. Log sun sessions, monitor light levels, and receive personalized guidance based on your skin type, weather, and location. Enhance well-being and boost mood by syncing with natural light cycles.
- Sunlight exposure tracking
- UV index monitoring
- Vitamin D synthesis tracking
- Circadian rhythm monitoring
- Personalized guidance
- Sunrise/sunset compass
- Lux meter
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MyCircadian helps you optimize your health by tracking sunlight exposure, UV index, vitamin D synthesis, and circadian rhythms. Log sun sessions, monitor light levels, and get personalized guidance based on your skin type, weather, and location. The app features a compass for sunrise/sunset directions and a lux meter to monitor light quality. Sync with natural light cycles to enhance your well-being, boost your mood, and support healthy vitamin D production. Perfect for anyone looking to balance modern life with natural rhythms. Terms of Use: https://mycircadianapp.com/terms-of-use
Screenshots
Verdict
The clearest difference is review sentiment: MyCircadianApp at 99% against Tempdrop's 39%. MyCircadianApp also leads on rating (4.9 vs 4.2) and update cadence (every 4 weeks vs every 2 months). On price, ratings volume, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Tempdrop sells 6 in-app purchases, starting at $2.99 per month and MyCircadianApp sells 7 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.
MyCircadianApp holds the better App Store score, 4.9 against 4.2. Both are backed by a comparable volume of ratings — 711 and 265 respectively. Written reviews point the same way: 39% of Tempdrop's written reviews are positive against 99% of MyCircadianApp's.
Tempdrop ships an update every 2 months, MyCircadianApp every 4 weeks. Both last shipped on October 21, 2026.
| Parameter | Tempdrop | MyCircadianApp |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (711 ratings) | 4.9 (265 ratings) — better |
| Positive reviews | 38.7% of reviews | 98.6% of reviews — better |
| Number of ratings | 711 — better | 265 |
| Update frequency | Every 2 months | Every 4 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 103 MB | 56 MB |
| Age rating | 17+ | 12+ |
| Developer | Tempdrop Inc | Sarah Kleiner Wellness |
Customer experience
Tempdrop
MyCircadianApp
User reviews
Tempdrop
From 711 App Store ratingsWhat we love
- 🚀 Convenient and easy to use
- 🚀 Accurate temperature tracking
- 👍 Helpful for fertility awareness and family planning
- 👍 Empowering for understanding one's body
- 👍 Useful for tracking hormonal fluctuations
Room to improve
- 🐛 Issues with app syncing and functionality
- 🔍 Limited symptom and data tracking options
- 💰 Expensive device and subscription model
- 👎 Poor customer service and support
- 👎 Unreliable hardware and short device lifespan
MyCircadianApp
From 265 App Store ratingsWhat we love
- 🌟 Comprehensive features
- 👍 User-friendly interface
- 🌞 Helpful for circadian health
- 📊 Detailed data and tracking
- 🎨 Aesthetically pleasing design
Room to improve
- 🔍 Could use more educational content
- 📱 Occasional glitches or bugs reported
Bugs and requests
Tempdrop
Reported bugs
4 issues- App crashes and freezes
- Issues with syncing device data
- Inaccurate cycle predictions and phase tracking
- Temperature data changes over time
Requested features
5 requests- Improved sleep tracking capabilities
- More customizable symptom and data tracking
- Ability to manually confirm ovulation
- Integration with other fertility/health apps
- Support for irregular cycles and postpartum/breastfeeding phases
MyCircadianApp
Reported bugs
2 issues- Login screen freezes
- Incompatibility with older devices
Requested features
2 requests- Ability to manually log sun sessions and vitamin D sources
- Option to view upcoming day's sunrise/sunset times
In-app purchases
Tempdrop
- Tempdrop Promo Premium monthly2 Months trial$2.991 Month
- Tempdrop Premium monthly2 Months trial$6.001 Month
- Tempdrop Promo Premium quarterly2 Months trial$7.993 Months
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- Tempdrop Premium quarterly2 Months trial$15.003 Months
- Tempdrop Promo Premium yearly2 Months trial$24.991 Year
- Tempdrop Premium yearly*2 Months trial$48.001 Year
MyCircadianApp
- Monthly7 Days trial$3.991 Month
- Monthly1 Month trial$3.991 Month
- Yearly1 Month trial$36.001 Year
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- Yearly7 Days trial$36.001 Year
- Lifetime$99.00
- Lifetime$179.00
- Lifetime$199.00
Questions
Is Tempdrop free?
Is MyCircadianApp free?
Which has better reviews, Tempdrop or MyCircadianApp?
Do Tempdrop or MyCircadianApp have ads?
Which is updated more often, Tempdrop or MyCircadianApp?
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