# RS Trinity Ring vs 9FIT SmartRing

The clearest difference is iOS requirement: RS Trinity Ring at 11.0 against 9FIT SmartRing's 13.0. On price, rating, ratings volume and update cadence there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for RS Trinity Ring against 5.0 for 9FIT SmartRing. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

RS Trinity Ring ships an update every 9 days, 9FIT SmartRing fortnightly. The most recent releases landed on June 2, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | RS Trinity Ring | 9FIT SmartRing |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/rs-trinity-ring/id6504395544/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/9fit-smartring/id6621224419/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | — | 69.2% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 days** | Fortnightly |
| Monetization | Free | Free |
| Size | 81 MB | 28 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 12+ |
| Developer | [Riversong Technology DMCC](https://appshunter.io/developer/1727531870) | [9FIT INC](https://appshunter.io/developer/1761979340) |

## What reviewers say

### RS Trinity Ring

[App page](https://appshunter.io/ios/app/rs-trinity-ring/id6504395544)

This app collects step, sleep, and heart rate data from a smart ring. It offers various sports modes and allows users to share historical data with others. It also synchronizes data with Apple Health.

**Highlights:** Step tracking, Sleep monitoring, Heart rate measurement, Sports modes, Data sharing, Apple Health sync

**Features:** macOS Compatibility

**In-app purchases:** none


### 9FIT SmartRing

[App page](https://appshunter.io/ios/app/9fit-smartring/id6621224419)

This app syncs with a smart ring to provide real-time health data including heart rate, sleep, and SpO2. It helps users monitor daily activities and sports performance to achieve wellness goals.

**Highlights:** Heart rate monitoring, Sleep analysis, SpO2 monitoring, Activity tracking, Bluetooth sync

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RS Trinity Ring free?

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

### Is 9FIT SmartRing free?

9FIT SmartRing is free to download, with no in-app purchases.

### Which has better reviews, RS Trinity Ring or 9FIT SmartRing?

RS Trinity Ring and 9FIT SmartRing are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do RS Trinity Ring or 9FIT SmartRing have ads?

Neither RS Trinity Ring nor 9FIT SmartRing shows ads.

### Which is updated more often, RS Trinity Ring or 9FIT SmartRing?

RS Trinity Ring ships an update every 9 days, and 9FIT SmartRing fortnightly. Most recently, RS Trinity Ring was updated on June 2, 2026 and 9FIT SmartRing on June 1, 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.*