# SmartRing vs 黑鲨魔戒

The clearest difference is iOS requirement: SmartRing at 9.0 against 黑鲨魔戒's 13.0. 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.

SmartRing ships an update every 3 weeks, 黑鲨魔戒 monthly. The most recent releases landed on September 15, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | SmartRing | 黑鲨魔戒 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.4 (7 ratings)](https://appshunter.io/ios/app/smartring/id1564639777/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Free | — |
| Size | 25 MB | 131 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [志运 陈](https://appshunter.io/developer/942077334) | [Nanchang Blackshark Technologies Co., Ltd.](https://appshunter.io/developer/1358214067) |

## What reviewers say

### SmartRing

[App page](https://appshunter.io/ios/app/smartring/id1564639777)

This utility app connects via Bluetooth to display test information. It offers basic connectivity for testing purposes.

**Highlights:** Bluetooth connectivity, Display test information, Basic utility functions

**Features:** macOS Compatibility

**In-app purchases:** none


### 黑鲨魔戒

[App page](https://appshunter.io/ios/app/id6479516111)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SmartRing free?

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

### Is 黑鲨魔戒 free?

黑鲨魔戒 is free to download, with no in-app purchases.

### Do SmartRing or 黑鲨魔戒 have ads?

Neither SmartRing nor 黑鲨魔戒 shows ads.

### Which is updated more often, SmartRing or 黑鲨魔戒?

SmartRing ships an update every 3 weeks, and 黑鲨魔戒 monthly. Most recently, SmartRing was updated on September 15, 2026 and 黑鲨魔戒 on October 8, 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.*