# 印章生成器 vs 签章助手

The clearest difference is update cadence: 印章生成器 at weekly against 签章助手's monthly. 印章生成器 also leads on iOS requirement (12.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 印章生成器 sells 1 in-app purchase, starting at $4.99 per 7 days and 签章助手 sells 3 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

印章生成器 ships an update weekly, 签章助手 monthly. The most recent releases landed on October 16, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | 印章生成器 | 签章助手 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Monthly |
| Monetization | — | Free with in-app purchases |
| Size | 18 MB | 78 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [松 姚](https://appshunter.io/developer/1872555933) | [家芳 陶](https://appshunter.io/developer/1891660721) |

## What reviewers say

### 印章生成器

[App page](https://appshunter.io/ios/app/id6758651358)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 限时优惠 | $4.99 | per 7 days |


### 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 |


## Frequently asked questions

### Is 印章生成器 free?

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

### Is 签章助手 free?

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

### Do 印章生成器 or 签章助手 have ads?

Neither 印章生成器 nor 签章助手 shows ads.

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

印章生成器 ships an update weekly, and 签章助手 monthly. Most recently, 印章生成器 was updated on October 16, 2026 and 签章助手 on October 4, 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.*