签章助手 vs Stamp Designer
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
Stamp Designer
Design custom stamps for personal use on images and documents. Add text, colors, borders, and graphic elements to create unique stamp styles. Easily apply stamps to photos, PDFs, and share your creations.
- Custom stamp style design
- Text, color, and border customization
- Image cutout
- Apply stamps to images
- Add stamps to PDF documents
- Save and share creations
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FastSeal is a stamp style design tool for personal creation, image editing and document annotation. You can design stamp styles in different looks, edit text, colors, borders and graphic elements, then use the generated stamps on images, creative materials and documents. The app also supports image cutout, saving images, file sharing and adding stamps to PDF documents. Main Features: - Multiple stamp style designs - Image cutout - Stamp images - Add stamps to PDF documents - Add split seals across multi-page documents - Save images and share through the system Usage Notice: Content generated by this app is only for personal image design, document annotation and creative material creation. It must not be used to create, imitate or replace legally valid official seals, contract seals, company seals or real personal seals. Do not use generated content for any illegal or non-compliant purpose.
Screenshots
Verdict
The clearest difference is in-app purchases: Stamp Designer at none against 签章助手's 3. Stamp Designer also leads on update cadence (weekly vs monthly) and iOS requirement (15.0 vs 17.0). On price, review sentiment, ads and monetization model 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. Stamp Designer asks for nothing beyond the download.
签章助手 ships an update monthly, Stamp Designer weekly. The most recent releases landed on September 3, 2026 and September 10, 2026 respectively.
| Parameter | 签章助手 | Stamp Designer |
|---|---|---|
| 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 | No — better |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 17.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 78 MB | 100 MB |
| Age rating | 4+ | 4+ |
| Developer | 家芳 陶 | 秀文 石 |
Customer experience
签章助手
Stamp Designer
In-app purchases
签章助手
- 7-day VIP (unlock all)$3.997 Days
- 7days$3.99
- lifetime$19.99
Stamp Designer
No in-app purchases
