# GluRing vs Synchrony

The clearest difference is iOS requirement: Synchrony at 9.0 against GluRing's 13.6. 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.

GluRing ships an update every 3 weeks, Synchrony every 2 weeks. Both last shipped on September 23, 2026.

## The numbers

| Metric | GluRing | Synchrony |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Size | 18 MB | 40 MB |
| Requires iOS | 13.6 | **9.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [乐普(北京)医疗器械股份有限公司](https://appshunter.io/developer/947661196) | [OYMotion Technologies Co., Ltd](https://appshunter.io/developer/1651182941) |

## What reviewers say

### GluRing

[App page](https://appshunter.io/ios/app/gluring/id6466238515)

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

**In-app purchases:** none


### Synchrony

[App page](https://appshunter.io/ios/app/synchrony/id6477423822)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is GluRing free?

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

### Is Synchrony free?

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

### Do GluRing or Synchrony have ads?

Neither GluRing nor Synchrony shows ads.

### Which is updated more often, GluRing or Synchrony?

GluRing ships an update every 3 weeks, and Synchrony every 2 weeks. Most recently, GluRing was updated on September 23, 2026 and Synchrony on September 23, 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.*