# 信手书

> 信手书 (iPhone/iPad app by Beijing Certificate Authority Co., Ltd..)

- Source: https://appshunter.io/ios/app/id1380101522 (this page in markdown: same URL + `.md`)
- Developer: [Beijing Certificate Authority Co., Ltd.](https://appshunter.io/developer/1074200787)
- Category: Utilities, Business
- Price: Free
- Age rating: 12+
- Requires: iOS 11 · 54 MB
- Languages: Chinese
- Released: 2019-04-27
- Data updated: 2026-06-01
- User reviews in markdown: https://appshunter.io/ios/app/id1380101522/reviews.md

## What is 信手书?

信手书是一款电子签名工具，为用户提供数字证书及签名服务，适用于各种无纸化应用场景。
全国各个行业首选互联网电子签名产品。

主要功能：

1、移动端认证登录：用户在手机端访问业务系统，选择信手书认证登录，用户运用信手书APP提供数字证书进行授权登录。
2、PC端扫描登录：用户在PC端访问业务系统，选择信手认证登录，业务系统产生安全可靠的二维码，用户运用信手书APP扫描二维码进行授权登录。
3、数字签名：用户在登录信手书APP，基于信手书APP数字证书或数字证书扫描方式，对业务系统推送过来的关键数据进行签名，保证业务数据合法有效。
4、移动端个性化签名图像采集：系统默认、手动设置、拍照上传。
5、下载、重置安全合法的电子数字证书，系统自动管理个人电子数字证书。
6、可以设置密码、指纹、人脸等多种方式进行签名操作。
7、提供可设置管理的记住密码机制。


## Version history (last 5 releases)

### 2.3.90 — 2026-05-29

修复已知bug。

### 2.3.81 — 2025-02-19

修复已知bug。

### 2.3.8 — 2025-01-03

修复已知BUG

### 2.3.7 — 2023-08-30

-修改bug版本

### 2.3.6 — 2023-07-15

1、修复已知BUG；
2、更新隐私协议。

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## More apps by Beijing Certificate Authority Co., Ltd.

- [协同签名](https://appshunter.io/ios/app/id1470035601)
- [医网签](https://appshunter.io/ios/app/id1535140164)
- [掌上信手书](https://appshunter.io/ios/app/id1632866253)

All apps by Beijing Certificate Authority Co., Ltd.: https://appshunter.io/developer/1074200787

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-01.*