Comparison

Tempdrop vs MyCircadianApp

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Basal body temperature tracking
  • Ovulation pinpointing
  • Menstrual cycle prediction
  • Hormonal fluctuation correlation
  • Fertility awareness support
Features
Read full description

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

About

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.

Highlights
  • Sunlight exposure tracking
  • UV index monitoring
  • Vitamin D synthesis tracking
  • Circadian rhythm monitoring
  • Personalized guidance
  • Sunrise/sunset compass
  • Lux meter
Features
Read full description

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

Tempdrop4 screens
MyCircadianApp4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

Tempdrop ships an update every 2 months, MyCircadianApp every 4 weeks. Both last shipped on October 21, 2026.

Scorecard3 real differences · 7 level
Tempdrop versus MyCircadianApp: the parameters behind the verdict, then further details
ParameterTempdropMyCircadianApp
PriceFreeFree
Rating4.2 (711 ratings)4.9 (265 ratings) — better
Positive reviews38.7% of reviews98.6% of reviews — better
Number of ratings711 — better265
Update frequencyEvery 2 monthsEvery 4 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.0 — better15.1
Further details — not scored
Size103 MB56 MB
Age rating17+12+
DeveloperTempdrop IncSarah Kleiner Wellness

Customer experience

Tempdrop

All ratings711 ratings
Positive80.3%
Neutral6.2%
Negative13.5%
Written reviews168 reviews
Positive38.7%
Neutral18.5%
Negative42.9%

MyCircadianApp

All ratings265 ratings
Positive97.7%
Neutral0.4%
Negative1.9%
Written reviews209 reviews
Positive98.6%
Neutral1.0%
Negative0.5%

User reviews

Tempdrop

From 711 App Store ratings

What 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 ratings

What 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

6 purchases

Tempdrop

Subscriptions6
  • 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
Show 3 more
  • 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
7 purchases

MyCircadianApp

Subscriptions4
  • Monthly7 Days trial$3.991 Month
  • Monthly1 Month trial$3.991 Month
  • Yearly1 Month trial$36.001 Year
Show 1 more
  • Yearly7 Days trial$36.001 Year
One-time3
  • Lifetime$99.00
  • Lifetime$179.00
  • Lifetime$199.00

Questions

Is Tempdrop free?
Tempdrop is free to download, with in-app purchases available.
Is MyCircadianApp free?
MyCircadianApp is free to download, with in-app purchases available.
Which has better reviews, Tempdrop or MyCircadianApp?
MyCircadianApp is rated higher. Tempdrop averages 4.2 out of 5 from 711 ratings, while MyCircadianApp averages 4.9 from 265 ratings.
Do Tempdrop or MyCircadianApp have ads?
Neither Tempdrop nor MyCircadianApp shows ads.
Which is updated more often, Tempdrop or MyCircadianApp?
Tempdrop ships an update every 2 months, and MyCircadianApp every 4 weeks. Most recently, Tempdrop was updated on October 21, 2026 and MyCircadianApp on October 21, 2026.

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