# GluRing vs 12Ser

The clearest difference is update cadence: GluRing at every 3 weeks against 12Ser's every 2 months. GluRing also leads on iOS requirement (13.6 vs 15.6). 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, 12Ser every 2 months. The most recent releases landed on September 23, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | GluRing | 12Ser |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Size | 18 MB | 63 MB |
| Requires iOS | **13.6** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 9+ |
| Developer | [乐普(北京)医疗器械股份有限公司](https://appshunter.io/developer/947661196) | [传斌 邓](https://appshunter.io/developer/1707474409) |

## What reviewers say

### GluRing

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

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

**In-app purchases:** none


### 12Ser

[App page](https://appshunter.io/ios/app/12ser/id6469258496)

**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 12Ser free?

12Ser is free to download, with no in-app purchases.

### Do GluRing or 12Ser have ads?

Neither GluRing nor 12Ser shows ads.

### Which is updated more often, GluRing or 12Ser?

GluRing ships an update every 3 weeks, and 12Ser every 2 months. Most recently, GluRing was updated on September 23, 2026 and 12Ser on September 24, 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.*