# TrustDevice vs 书谱

The clearest difference is device support: 书谱 at 4 against TrustDevice's 2. TrustDevice's advantage is iOS requirement (13.0 vs 15.0). 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.

TrustDevice ships an update fortnightly, 书谱 weekly. The most recent releases landed on October 7, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | TrustDevice | 书谱 |
| --- | --- | --- |
| 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 | Fortnightly | **Weekly** |
| Monetization | Free | — |
| Size | 32 MB | 148 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 17+ |
| Developer | [杭州博盾习言科技有限公司](https://appshunter.io/developer/976917020) | [Ruisek Intelligent Technology (shanghai) Co., Ltd](https://appshunter.io/developer/1861654784) |

## What reviewers say

### 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


### 书谱

[App page](https://appshunter.io/ios/app/id6748376785)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is TrustDevice free?

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

### Is 书谱 free?

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

### Do TrustDevice or 书谱 have ads?

Neither TrustDevice nor 书谱 shows ads.

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

TrustDevice ships an update fortnightly, and 书谱 weekly. Most recently, TrustDevice was updated on October 7, 2026 and 书谱 on October 16, 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.*