# Circular Ring vs Capillus

The clearest difference is rating: Circular Ring at 2.8 against Capillus's 1.9. Circular Ring also leads on ratings volume (493 vs 30). Capillus's advantage is review sentiment (27% vs 16%). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Circular Ring holds the better App Store score, 2.8 against 1.9. That said, the two scores are not equally well evidenced: Circular Ring has 493 ratings behind it against 30, so its average is the more settled of the two. Written reviews complicate that: 16% of Circular Ring's written reviews are positive against 27% of Capillus's, so the app with the better star average is not the one people write more warmly about.

Circular Ring ships an update every 2 weeks, Capillus weekly. The most recent releases landed on September 22, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Circular Ring | Capillus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.8 (493 ratings)](https://appshunter.io/ios/app/circular-ring-health-tracker/id1583942047/reviews)** | [1.9 (30 ratings)](https://appshunter.io/ios/app/capillus/id6737130992/reviews) |
| Number of ratings | **493** | 30 |
| Positive reviews | 15.9% of reviews | **27.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | Free | Free |
| Size | 198 MB | 57 MB |
| Requires iOS | 16.6 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Circular](https://appshunter.io/developer/1583942049) | [Capillus](https://appshunter.io/developer/1474718866) |

## What reviewers say

### Circular Ring

[App page](https://appshunter.io/ios/app/circular-ring-health-tracker/id1583942047)

This platform offers comprehensive health tracking and improvement tools. It provides deep insights into sleep, recovery, stress, heart health, and activity, with personalized recommendations from an AI coach to help users understand and optimize their wellness.

**Highlights:** Sleep Monitoring, Energy Score, Heart Rhythm Monitoring, Stress Tracking, Coherence Training, AI Health Coach (Kira)

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

**In-app purchases:** none


### Capillus

[App page](https://appshunter.io/ios/app/capillus/id6737130992)

This app enhances your hair regrowth journey by integrating with a red light therapy cap. It offers tracking tools, Bluetooth connectivity, and progress photo capabilities to help you stay consistent and monitor your results.

**Highlights:** Bluetooth connectivity with therapy cap, Daily treatment tracking, Progress photo documentation, Customizable reminders, Hair care tips and support

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

**In-app purchases:** none


## Frequently asked questions

### Is Circular Ring free?

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

### Is Capillus free?

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

### Which has better reviews, Circular Ring or Capillus?

Circular Ring is rated higher. Circular Ring averages 2.8 out of 5 from 493 ratings, while Capillus averages 1.9 from 30 ratings.

### Do Circular Ring or Capillus have ads?

Neither Circular Ring nor Capillus shows ads.

### Which is updated more often, Circular Ring or Capillus?

Circular Ring ships an update every 2 weeks, and Capillus weekly. Most recently, Circular Ring was updated on September 22, 2026 and Capillus on September 21, 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.*