签章助手 vs 盖章
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
签章助手
This tool allows users to easily add stamps and signatures to PDF documents. It supports various stamp types, including contract and cross-page seals, and allows for flexible placement and resizing. Once applied, stamps and signatures are permanently embedded into the PDF for secure sharing and archiving.
- Add stamps and signatures to PDFs
- Supports contract and cross-page seals
- Drag, rotate, and resize elements
- Multi-page document processing
- Embeds stamps/signatures into exported PDFs
- Local storage for security
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签章助手是一款面向合同与办公文件的盖章签名工具：打开PDF后可快速添加印章/签名，支持拖动、旋转、缩放与多页处理；支持合同专用章与骑缝章；导出PDF时自动将印章与签名合成到文件中，方便分享与归档。所有印章与签名素材均保存在本地，更安心。 隐私协议：https://github.com/lyhuzhu/huzhuurl/issues/8#issue-4281444564 使用协议：https://www.apple.com/legal/internet-services/itunes/dev/stdeula 问题与反馈：122650541@qq.com
盖章
Easily add stamps and handwritten electronic signatures to PDF documents. Process contracts and agreements efficiently without printing or scanning, keeping your data secure locally on your device.
- Smart PDF stamping
- Across-page seal generation
- Handwritten electronic signatures
- Batch stamping and signing
- Local data processing
- Seamless document import/export
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【PDF Stamp】: Supports single‑page stamping and multi‑page batch stamping for round official seals, oval stamps and square stamps. 【Cross‑Page Seal】: Supports cross‑page stamping, automatically applying the seal on the edge of each page. 【Stamp Effects】: Provides stamp aging and imprint effect adjustments to replicate the real ink‑stamping look on physical paper. 【Stamp Creation】: Three stamp‑making options: extract seal from photo, import seal image, or generate seal by entering company information. 【Handwritten Signature】: Supports handwritten signatures with adjustable stroke thickness and font size. 【Secure & Reliable】: All processing is done locally. No private data is collected to fully protect your data security. 【PDF盖章】：支持单页盖章，多页批量盖章，无论是圆形公章、椭圆章还是方形印章 【盖骑缝章】：支持盖骑缝章，自动给每页边缘盖骑缝章 【印章效果】：支持印章做旧，印迹效果调整，还原真实纸质盖章水墨效果 【印章制作】：支持拍照提取印章，导入印章图片，以及输入公司信息制作印章三种方式 【手写签名】：支持手写签名，设置签名粗细和字体大小 【安全可靠】：本地化处理，不收集任何隐私数据，全方位保护您的数据安全 Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula
Screenshots
Verdict
The clearest difference is update cadence: 盖章 at weekly against 签章助手's monthly. 盖章 also leads on device support (4 vs 2) and iOS requirement (15.0 vs 17.0). On price, review sentiment, ads and in-app purchases 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
Both are free to download. 签章助手 sells 3 in-app purchases, starting at $3.99 per 7 days and 盖章 sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.
签章助手 ships an update monthly, 盖章 weekly. The most recent releases landed on October 4, 2026 and October 13, 2026 respectively.
| Parameter | 签章助手 | 盖章 |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Update frequency | Monthly | Weekly — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 17.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 78 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | 家芳 陶 | Hangzhou Niufen Network Technology Co., Ltd. |
Customer experience
签章助手
盖章
In-app purchases
签章助手
- 7-day VIP (unlock all)$3.997 Days
- 7days$3.99
- lifetime$19.99
盖章
- E‑Stamp Service$2.991 Month
- 无纸盖章永久版$9.99
