# 签章助手 vs 印章生成器

The clearest difference is ads: 签章助手 at none against 印章生成器's shown. 印章生成器's advantage is update cadence (every 10 days vs monthly). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. 签章助手 sells 3 in-app purchases, starting at $3.99 per 7 days and 印章生成器 sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

签章助手 ships an update monthly, 印章生成器 every 10 days. The most recent releases landed on October 4, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | 签章助手 | 印章生成器 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 10 days** |
| Monetization | Free with in-app purchases | — |
| Size | 78 MB | 23 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [家芳 陶](https://appshunter.io/developer/1891660721) | [云 杜](https://appshunter.io/developer/1612790631) |

## What reviewers say

### 签章助手

[App page](https://appshunter.io/ios/app/pdf/id6762083508)

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.

**Highlights:** 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

**Features:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 7-day VIP (unlock all) | $3.99 | per 7 days |
| 7days | $3.99 | one-time |
| lifetime | $19.99 | one-time |


### 印章生成器

[App page](https://appshunter.io/ios/app/id6766881121)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Membership | $4.99 | per month |
| Season Membership | $14.99 | per 3 months |
| Yearly Membership | $29.99 | per year |


## Frequently asked questions

### Is 签章助手 free?

签章助手 is free to download, with in-app purchases available.

### Is 印章生成器 free?

印章生成器 is free to download, with in-app purchases available.

### Do 签章助手 or 印章生成器 have ads?

印章生成器 shows ads; 签章助手 does not.

### Which is updated more often, 签章助手 or 印章生成器?

签章助手 ships an update monthly, and 印章生成器 every 10 days. Most recently, 签章助手 was updated on October 4, 2026 and 印章生成器 on October 12, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*