# e签盾 vs 中招互连互认

The clearest difference is in-app purchases: 中招互连互认 at none against e签盾's 1. 中招互连互认 also leads on iOS requirement (13.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. e签盾 sells 1 one-off in-app purchase. 中招互连互认 asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 28, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | e签盾 | 中招互连互认 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/e/id6450947024/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 10 MB | 149 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hangzhou Timevale Information Technology Co., Ltd.](https://appshunter.io/developer/997614072) | [Beijing Zhong Zhao Hu Lian Ying Yong Technology Co., Ltd.](https://appshunter.io/developer/1527772777) |

## What reviewers say

### e签盾

[App page](https://appshunter.io/ios/app/e/id6450947024)

This app provides a comprehensive solution for CA digital certificate management and application. It offers secure identity authentication and electronic signature services for various platforms, eliminating the need for hardware management.

**Highlights:** Online digital certificate application, Secure CA + mobile security module, Hardware-free mobile CA, Admin authorization and permission control, Full-chain evidence preservation, Integration with legal institutions

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| （Apple专用）签署流量包1份 | $0.99 | one-time |


### 中招互连互认

[App page](https://appshunter.io/ios/app/id6544792449)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is e签盾 free?

e签盾 is free to download, with in-app purchases available.

### Is 中招互连互认 free?

中招互连互认 is free to download, with no in-app purchases.

### Do e签盾 or 中招互连互认 have ads?

Neither e签盾 nor 中招互连互认 shows ads.

### Which is updated more often, e签盾 or 中招互连互认?

e签盾 ships an update every 2 months, and 中招互连互认 every 2 months. Most recently, e签盾 was updated on September 28, 2026 and 中招互连互认 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.*