# Tempdrop vs Sympto Stars

The clearest difference is review sentiment: Sympto Stars at 87% against Tempdrop's 39%. Sympto Stars also leads on rating (5.0 vs 4.2) and iOS requirement (11.0 vs 15.0). Tempdrop's advantage is monetization model (free with in-app purchases vs subscription) and ratings volume (714 vs 1). On price, update cadence, 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 Sympto Stars sells 3 in-app purchases, starting at $6.49 per month. Whichever you choose, the download price is not the number that matters.

Sympto Stars holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: Tempdrop has 714 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 39% of Tempdrop's written reviews are positive against 87% of Sympto Stars's.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 29, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Tempdrop | Sympto Stars |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (714 ratings)](https://appshunter.io/ios/app/tempdrop/id1199061141/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sympto-stars/id1606728418/reviews)** |
| Number of ratings | **714** | 1 |
| Positive reviews | 38.7% of reviews | **86.7% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 107 MB | 68 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Tempdrop Inc](https://appshunter.io/developer/1674554833) | [Ronald Harri Wettstein](https://appshunter.io/developer/314390426) |

## 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


### Sympto Stars

[App page](https://appshunter.io/ios/app/sympto-stars/id1606728418)

This app helps users track their fertility status in real-time by interpreting biomarkers like temperature and cervical mucus. It offers modes for various cycle situations and provides instructional guidance for users of all skill levels. Users can also access printable cycle charts and receive a certificate of competence after training.

**Highlights:** Real-time fertility status display, Biomarker interpretation (temperature, cervical mucus), Modes for pregnancy, breastfeeding, perimenopause, Pilot and Expert modes for guided learning, Printable cyclograph PDF function, Certificate of competence in cycle literacy

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| monthly subscription | $6.49 | per month |
| 6 month subscription | $34.99 | per 6 months |
| annual subscription | $60.99 | per year |


## Frequently asked questions

### Is Tempdrop free?

Tempdrop is free to download, with in-app purchases available.

### Is Sympto Stars free?

Sympto Stars is free to download, with in-app purchases available.

### Which has better reviews, Tempdrop or Sympto Stars?

Sympto Stars is rated higher. Tempdrop averages 4.2 out of 5 from 714 ratings, while Sympto Stars averages 5.0 from 1 ratings.

### Do Tempdrop or Sympto Stars have ads?

Neither Tempdrop nor Sympto Stars shows ads.

### Which is updated more often, Tempdrop or Sympto Stars?

Tempdrop ships an update every 2 months, and Sympto Stars every 2 months. Most recently, Tempdrop was updated on October 29, 2026 and Sympto Stars on October 25, 2026.

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