# SRing vs Exerchain

The clearest difference is rating: Exerchain at 2.7 against SRing's 1.7. Exerchain also leads on ratings volume (12 vs 3). SRing's advantage is iOS requirement (12.0 vs 16.2). 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.

Exerchain holds the better App Store score, 2.7 against 1.7. Both are backed by a comparable volume of ratings — 3 and 12 respectively.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on July 28, 2026 and July 26, 2026 respectively.

## The numbers

| Metric | SRing | Exerchain |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.7 (3 ratings)](https://appshunter.io/ios/app/sring/id6472034068/reviews) | **[2.7 (12 ratings)](https://appshunter.io/ios/app/exerchain/id6508167729/reviews)** |
| Number of ratings | 3 | **12** |
| Positive reviews | — | 27.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | Free | Free |
| Size | 20 MB | 73 MB |
| Requires iOS | **12.0** | 16.2 |
| Devices | iPhone, iPod | iPhone, Apple Watch |
| Age rating | 17+ | 4+ |
| Developer | [智勇 陈](https://appshunter.io/developer/1515662022) | [Exerchain](https://appshunter.io/developer/1650318370) |

## What reviewers say

### 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


### Exerchain

[App page](https://appshunter.io/ios/app/exerchain/id6508167729)

This health app uses AI to forecast your weight 1, 3, and 6 months into the future. It automatically logs activity, sleep, and body composition from supported devices, and allows manual meal entry for accurate predictions. Gain insights and personalized routines based on your unique data.

**Highlights:** AI-powered weight prediction (1, 3, 6 months), Automatic activity, sleep, and body composition logging, Manual meal entry for accurate forecasting, AI insights and personalized routines, Syncs with ExerRing, ExerScale, and popular smartwatches

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

**In-app purchases:** none


## Frequently asked questions

### Is SRing free?

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

### Is Exerchain free?

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

### Which has better reviews, SRing or Exerchain?

Exerchain is rated higher. SRing averages 1.7 out of 5 from 3 ratings, while Exerchain averages 2.7 from 12 ratings.

### Do SRing or Exerchain have ads?

Neither SRing nor Exerchain shows ads.

### Which is updated more often, SRing or Exerchain?

SRing ships an update monthly, and Exerchain monthly. Most recently, SRing was updated on July 28, 2026 and Exerchain on July 26, 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.*