# 群！ vs TrustDevice

The clearest difference is update cadence: 群！ at every 5 days against TrustDevice's fortnightly. TrustDevice's advantage is iOS requirement (13.0 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.

群！ ships an update every 5 days, TrustDevice fortnightly. The most recent releases landed on November 11, 2026 and November 13, 2026 respectively.

## The numbers

| Metric | 群！ | TrustDevice |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/trustdevice/id1476048280/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 days** | Fortnightly |
| Monetization | — | Free |
| Size | 10 MB | 32 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [晓 梁](https://appshunter.io/developer/850392828) | [杭州博盾习言科技有限公司](https://appshunter.io/developer/976917020) |

## What reviewers say

### 群！

[App page](https://appshunter.io/ios/app/id992448504)

**In-app purchases:** none


### TrustDevice

[App page](https://appshunter.io/ios/app/trustdevice/id1476048280)

A social networking application designed for security circle developers. It offers a platform for collaboration and sharing within the development community.

**Highlights:** Social networking for developers, Focus on security circles, Collaboration platform, Community sharing

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

**In-app purchases:** none


## Frequently asked questions

### Is 群！ free?

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

### Is TrustDevice free?

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

### Do 群！ or TrustDevice have ads?

Neither 群！ nor TrustDevice shows ads.

### Which is updated more often, 群！ or TrustDevice?

群！ ships an update every 5 days, and TrustDevice fortnightly. Most recently, 群！ was updated on November 11, 2026 and TrustDevice on November 13, 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.*