# GluRing vs 居测

The clearest difference is update cadence: 居测 at every 6 days against GluRing's every 3 weeks. On price, ads, in-app purchases and device support 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, 居测 every 6 days. The most recent releases landed on October 30, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | GluRing | 居测 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 6 days** |
| Size | 18 MB | 138 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [乐普(北京)医疗器械股份有限公司](https://appshunter.io/developer/947661196) | [重庆居测生命健康科技有限公司](https://appshunter.io/developer/1761272627) |

## What reviewers say

### GluRing

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

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

**In-app purchases:** none


### 居测

[App page](https://appshunter.io/ios/app/id6612008790)

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

**In-app purchases:** none


## Frequently asked questions

### Is GluRing free?

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

### Is 居测 free?

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

### Do GluRing or 居测 have ads?

Neither GluRing nor 居测 shows ads.

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

GluRing ships an update every 3 weeks, and 居测 every 6 days. Most recently, GluRing was updated on October 30, 2026 and 居测 on November 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.*