Comparison

掌上信手书 vs 掌证通

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

掌上信手书

Features
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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

About

掌证通

Features
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“掌证通”APP是上海CA中心自主研发的的移动数字证书产品。用户可通过APP在线申请移动数字证书和电子印章,完成在电子招投标、电子签章等业务中的扫码登录、扫码签章、扫码加解密等业务操作。 【极速获取】 被授权后,通过网络极速获取数字证书,有网即下,不受时间、地点限制。 【安全随身】 移动数字证书存储在手机,随身携带、安全保存、被授权后随时使用。 【扫码便捷】 非接触式扫码操作,无需插KEY,简单便捷。 【去驱动插件】 无需集成USBKEY驱动插件,兼容各浏览器,降低插件限制。

Screenshots

掌上信手书2 screens
掌证通3 screens

Verdict

The call

The clearest difference is update cadence: 掌上信手书 at every 2 months against 掌证通's every 19 months. On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

掌上信手书 ships an update every 2 months, 掌证通 every 19 months. The most recent releases landed on November 3, 2026 and October 10, 2026 respectively.

Scorecard1 real difference · 7 level
掌上信手书 versus 掌证通: the parameters behind the verdict, then further details
Parameter掌上信手书掌证通
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 2 months — betterEvery 19 months
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPod
Requires iOS13.013.0
Further details — not scored
Size97 MB28 MB
Age rating17+4+
DeveloperBeijing Certificate Authority Co., Ltd.Shanghai Electronic Certificate Authority Center Co.,LTD

In-app purchases

None

掌上信手书

No in-app purchases

None

掌证通

No in-app purchases

Questions

Is 掌上信手书 free?
掌上信手书 is free to download, with no in-app purchases.
Is 掌证通 free?
掌证通 is free to download, with no in-app purchases.
Do 掌上信手书 or 掌证通 have ads?
Neither 掌上信手书 nor 掌证通 shows ads.
Which is updated more often, 掌上信手书 or 掌证通?
掌上信手书 ships an update every 2 months, and 掌证通 every 19 months. Most recently, 掌上信手书 was updated on November 3, 2026 and 掌证通 on October 10, 2026.

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