# 掌上信手书

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

- Source: https://appshunter.io/ios/app/id1632866253 (this page in markdown: same URL + `.md`)
- Developer: [Beijing Certificate Authority Co., Ltd.](https://appshunter.io/developer/1074200787)
- Category: Utilities, Business
- Price: Free
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 17+
- Requires: iOS 13.0 · 91 MB
- Languages: Chinese (Simplified, China)
- Released: 2023-01-05
- Data updated: 2026-08-16
- User reviews in markdown: https://appshunter.io/ios/app/id1632866253/reviews.md

## What is 掌上信手书?

掌上信手书
北京数字认证股份有限公司官方出品，新一代移动数字证书&电子签名平台

【一部手机 证书即办即用】
– 免 USBKey、免驱动、免线下窗口，3 分钟完成身份认证与证书签发
– 证书一站式全生命周期管理，证书状态实时可视
– APP内直接预览文件，真正做到随时随地一键签署

【为什么选择掌上信手书】
– 政务大厅：不动产登记、工商年报、公积金提取，一部手机全搞定
– 电子招投标：与各地公共资源交易中心无缝对接，标书加密、开标解密零门槛
– 医疗教育：电子病历、电子成绩单、电子合同，患者、学生、家长指尖完成
– 企业办公：人事、采购、销售合同签署在线闭环，成本降低效率翻倍

【合规资质】
• 国家密码管理局《电子认证服务使用密码许可证》
• 工信部《电子认证服务许可证》
• 公安部《信息系统安全等级保护》三级备案


## Version history (last 5 releases)

### 2.1.2 — 2026-08-13

一键登录能力升级，登录更稳定可靠

### 2.1.1 — 2026-07-10

- 修复已知BUG

### 2.1.0 — 2026-04-02

- 支持使用国家网络身份认证凭证登录
- 优化用户体验，使用更流畅

### 2.0.2 — 2025-11-13

- 修复部分已知问题

### 2.0.1 — 2025-09-21

- 设置签章页适配iOS26。

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

- [信手书](https://appshunter.io/ios/app/id1380101522)
- [协同签名](https://appshunter.io/ios/app/id1470035601)
- [医网签](https://appshunter.io/ios/app/id1535140164)

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 2026-08-16.*