# SF Fit Ring vs SINWO RING

SF Fit Ring and SINWO RING are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

## The numbers

| Metric | SF Fit Ring | SINWO RING |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Size | 77 MB | 121 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [KNR Flatrock](https://appshunter.io/developer/1533086564) | [福建星网智慧科技有限公司](https://appshunter.io/developer/1432428456) |

## What reviewers say

### SF Fit Ring

[App page](https://appshunter.io/ios/app/sf-fit-ring/id6751796068)

**Features:** macOS Compatibility

**In-app purchases:** none


### SINWO RING

[App page](https://appshunter.io/ios/app/sinwo-ring/id6754276839)

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

**In-app purchases:** none


## Frequently asked questions

### Is SF Fit Ring free?

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

### Is SINWO RING free?

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

### Do SF Fit Ring or SINWO RING have ads?

Neither SF Fit Ring nor SINWO RING shows ads.

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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.*