# Tempdrop vs MyCircadianApp

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.

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.

## The numbers

| Metric | Tempdrop | MyCircadianApp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (711 ratings)](https://appshunter.io/ios/app/tempdrop/id1199061141/reviews) | **[4.9 (265 ratings)](https://appshunter.io/ios/app/mycircadianapp/id6538168795/reviews)** |
| Number of ratings | **711** | 265 |
| Positive reviews | 38.7% of reviews | **98.6% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 103 MB | 56 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 12+ |
| Developer | [Tempdrop Inc](https://appshunter.io/developer/1674554833) | [Sarah Kleiner Wellness](https://appshunter.io/developer/1756991836) |

## What reviewers say

### Tempdrop

[App page](https://appshunter.io/ios/app/tempdrop/id1199061141)

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:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tempdrop Promo Premium monthly | $2.99 | per month |
| Tempdrop Premium monthly | $6.00 | per month |
| Tempdrop Promo Premium quarterly | $7.99 | per 3 months |
| Tempdrop Premium quarterly | $15.00 | per 3 months |
| Tempdrop Promo Premium yearly | $24.99 | per year |
| Tempdrop Premium yearly* | $48.00 | per year |

**What reviewers like**

- 🚀 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

**What reviewers complain about**

- 🐛 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

**Reported bugs**

- App crashes and freezes
- Issues with syncing device data
- Inaccurate cycle predictions and phase tracking
- Temperature data changes over time

**Requested features**

- 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

[App page](https://appshunter.io/ios/app/mycircadianapp/id6538168795)

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:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $3.99 | per month |
| Monthly | $3.99 | per month |
| Yearly | $36.00 | per year |
| Yearly | $36.00 | per year |
| Lifetime | $99.00 | one-time |
| Lifetime | $179.00 | one-time |
| Lifetime | $199.00 | one-time |

**What reviewers like**

- 🌟 Comprehensive features
- 👍 User-friendly interface
- 🌞 Helpful for circadian health
- 📊 Detailed data and tracking
- 🎨 Aesthetically pleasing design

**What reviewers complain about**

- 🔍 Could use more educational content
- 📱 Occasional glitches or bugs reported

**Reported bugs**

- Login screen freezes
- Incompatibility with older devices

**Requested features**

- Ability to manually log sun sessions and vitamin D sources
- Option to view upcoming day's sunrise/sunset times


## Frequently asked 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.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*