# Natural Cycles vs SHR Ring

The clearest difference is review sentiment: Natural Cycles at 62% against SHR Ring's 0%. Natural Cycles also leads on rating (4.8 vs 1.5) and ratings volume (30K vs 2). SHR Ring's advantage is in-app purchases (none vs 2) and ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Natural Cycles sells 2 in-app purchases, starting at $21.99 per month. SHR Ring asks for nothing beyond the download.

Natural Cycles holds the better App Store score, 4.8 against 1.5. That said, the two scores are not equally well evidenced: Natural Cycles has 30K ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 62% of Natural Cycles's written reviews are positive against 0% of SHR Ring's.

Natural Cycles ships an update fortnightly, SHR Ring every 2 months. The most recent releases landed on November 7, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Natural Cycles | SHR Ring |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (30K ratings)](https://appshunter.io/ios/app/natural-cycles-fertility-app/id765535549/reviews)** | [1.5 (2 ratings)](https://appshunter.io/ios/app/shr-ring/id6743309439/reviews) |
| Number of ratings | **30K** | 2 |
| Positive reviews | **61.9% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Subscription | **Free** |
| Best chart rank | **#30** | — |
| Size | 101 MB | 93 MB |
| Requires iOS | 16.7 | **13.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [NaturalCycles Nordic AB](https://appshunter.io/developer/765535552) | [孝文 林](https://appshunter.io/developer/1864249491) |

## What reviewers say

### Natural Cycles

[App page](https://appshunter.io/ios/app/natural-cycles-fertility-app/id765535549)

**Currently charting:** #30 Top Grossing · Health & Fitness, #135 Top Free · Health & Fitness (US App Store)

This app helps women track their hormonal health and fertility using body temperature data. It offers hormone-free contraception, pregnancy planning, and insights into various cycle stages. It adapts to individual cycles, even irregular ones, providing daily fertility status.

**Highlights:** Hormone-free contraception, Ovulation tracking via temperature, Personalized cycle adaptation, Pregnancy planning and tracking, Postpartum and perimenopause modes, Mood tracking, Data protection

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $21.99 | per month |
| Annual | $149.99 | per year |

**What reviewers like**

- 👍 Teaches users about their cycle
- 👍 Helps users understand their body
- 👍 Provides a natural contraceptive option
- 👍 Accurate in predicting ovulation and periods
- 👍 Empowers users to take control of their fertility

**What reviewers complain about**

- 🐛 Inconsistent in predicting ovulation and periods for some users
- 🐛 Thermometer issues (loud, hard to read, no Bluetooth connectivity)
- 🐛 Difficult to use for users with irregular cycles or disrupted sleep schedules
- 🐛 Lack of customer support responsiveness
- 🐛 Automatic subscription renewal issues and no refunds

**Reported bugs**

- App functionality issues after updates
- Syncing problems between thermometer and app
- Inaccurate pregnancy and ovulation predictions

**Requested features**

- Add ability to track additional symptoms and cycle data
- Integrate with other health tracking devices and apps
- Improve thermometer design and connectivity
- Provide more personalized cycle predictions and insights
- Enhance app design and user experience


### SHR Ring

[App page](https://appshunter.io/ios/app/shr-ring/id6743309439)

Monitor your sleep stages, track daily activities, and optimize your fitness with this companion app for a smart ring. It provides insights into sleep quality, calorie burn, and activity levels, with GPS tracking for outdoor workouts.

**Highlights:** Sleep stage analysis, Daily activity monitoring, GPS workout tracking, Calorie burn tracking, Sleep quality improvement

**In-app purchases:** none


## Frequently asked questions

### Is Natural Cycles free?

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

### Is SHR Ring free?

SHR Ring is free to download, with no in-app purchases.

### Which has better reviews, Natural Cycles or SHR Ring?

Natural Cycles is rated higher. Natural Cycles averages 4.8 out of 5 from 30K ratings, while SHR Ring averages 1.5 from 2 ratings.

### Do Natural Cycles or SHR Ring have ads?

Natural Cycles shows ads; SHR Ring does not.

### Which is updated more often, Natural Cycles or SHR Ring?

Natural Cycles ships an update fortnightly, and SHR Ring every 2 months. Most recently, Natural Cycles was updated on November 7, 2026 and SHR Ring on November 4, 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.*