# 手城 vs TrustDevice

The clearest difference is iOS requirement: 手城 at 9.0 against TrustDevice's 13.0. 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.

手城 ships an update every 3 weeks, TrustDevice fortnightly. The most recent releases landed on October 4, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | 手城 | 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 3 weeks | **Fortnightly** |
| Monetization | — | Free |
| Size | 31 MB | 32 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [北京神州瑞景科技有限公司](https://appshunter.io/developer/1216530089) | [杭州博盾习言科技有限公司](https://appshunter.io/developer/976917020) |

## What reviewers say

### 手城

[App page](https://appshunter.io/ios/app/id1441073482)

**Features:** macOS Compatibility

**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 手城 free?

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

### Is TrustDevice free?

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

### Do 手城 or TrustDevice have ads?

Neither 手城 nor TrustDevice shows ads.

### Which is updated more often, 手城 or TrustDevice?

手城 ships an update every 3 weeks, and TrustDevice fortnightly. Most recently, 手城 was updated on October 4, 2026 and TrustDevice on October 7, 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.*