掌上信手书
Beijing Certificate Authority Co., Ltd. Utilities iPhoneiPadiPod touch
掌上信手书 is a free Utilities app for iPhone and iPad by Beijing Certificate Authority Co., Ltd. Rated 5.0/5 from 1 ratings. Requires iOS 13.0.
- Rating
- 5.0
- 1 ratings
- Price
- Free
- on the App Store
- Size
- 97 MB
- Age 17+
- Updated
- Oct 15
- 2026 · v2.1.4001
Screenshots
About 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
What’s new
Version 2.1.4001 · Updated October 15, 2026
- 修复已知BUG
App privacy
The developer, Beijing Certificate Authority Co., Ltd., reported these privacy practices to Apple.
Data Linked to You
The following data, which may be collected and linked to your identity, may be used for the following purposes:
- Contact Info: Name, Phone Number
- Identifiers: Device ID
Used for: App Functionality
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Diagnostics: Crash Data
- User Content: Photos or Videos
Used for: Analytics, App Functionality
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