# Circular Ring vs SRing

The clearest difference is rating: Circular Ring at 2.8 against SRing's 1.7. Circular Ring also leads on ratings volume (493 vs 3) and update cadence (every 2 weeks vs monthly). SRing's advantage is iOS requirement (12.0 vs 16.6). On price, ads, in-app purchases and monetization model 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 1.7. That said, the two scores are not equally well evidenced: Circular Ring has 493 ratings behind it against 3, so its average is the more settled of the two.

Circular Ring ships an update every 2 weeks, SRing monthly. The most recent releases landed on September 22, 2026 and July 28, 2026 respectively.

## The numbers

| Metric | Circular Ring | SRing |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.8 (493 ratings)](https://appshunter.io/ios/app/circular-ring-health-tracker/id1583942047/reviews)** | [1.7 (3 ratings)](https://appshunter.io/ios/app/sring/id6472034068/reviews) |
| Number of ratings | **493** | 3 |
| Positive reviews | 15.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Monthly |
| Monetization | Free | Free |
| Size | 198 MB | 20 MB |
| Requires iOS | 16.6 | **12.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Circular](https://appshunter.io/developer/1583942049) | [智勇 陈](https://appshunter.io/developer/1515662022) |

## 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


### SRing

[App page](https://appshunter.io/ios/app/sring/id6472034068)

This application connects to smart rings to display and analyze your daily exercise and sleep data. It helps you understand your health status by providing visual insights into your activity levels and sleep patterns.

**Highlights:** Exercise data display (steps, calories, duration), Sleep data display (deep sleep, light sleep, sleep time), Visual data analysis, Health status understanding, Exercise and sleep plan management

**In-app purchases:** none


## Frequently asked questions

### Is Circular Ring free?

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

### Is SRing free?

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

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

Circular Ring is rated higher. Circular Ring averages 2.8 out of 5 from 493 ratings, while SRing averages 1.7 from 3 ratings.

### Do Circular Ring or SRing have ads?

Neither Circular Ring nor SRing shows ads.

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

Circular Ring ships an update every 2 weeks, and SRing monthly. Most recently, Circular Ring was updated on September 22, 2026 and SRing on July 28, 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.*