# 签牛

> 签牛 (iPhone/iPad app by Beijing qianniu network technology Co., Ltd..)

- Source: https://appshunter.io/ios/app/id1478872796 (this page in markdown: same URL + `.md`)
- Developer: [Beijing qianniu network technology Co., Ltd.](https://appshunter.io/developer/1478872525)
- Category: Utilities, Business
- Price: Free
- Age rating: 17+
- Requires: iOS 8.0 · 33 MB
- Languages: English, Chinese, Chinese
- Released: 2019-09-13
- Data updated: 2026-05-19
- User reviews in markdown: https://appshunter.io/ios/app/id1478872796/reviews.md

## What is 签牛?

签牛电子合同是一款专门针对网上电子签约的应用工具软件，可以方便快捷的为用户提供在线的电子合同签署、验证功能。
通过签牛，您可以在线签署合同、协议、证明等文件，整个过程仅仅需要几分钟，大大提升工作效率和客户体验。签牛遵循电子签名相关法律标准，签名与纸质签章或签字具有相同的法律效力。一些常用的场景是：房地产中介行业、家政中介行业、物流行业、金融行业、贸易行业、国际业务、版权交易、企业劳动关系管理、发放许可证、签发证明等等。通过使用签牛，您不仅提升了工作效率，而且节省了纸张打印和快递，为保护环境、降低碳排放做出了贡献。


## Version history (last 1 release)

### 2.4.11 — 2020-07-20

1. 解决发起签署时不能选中签署人的问题；
2. 增加人工认证方式；
3. 优化帮助页面

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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 2026-05-19.*