# magic vs 签章助手

The clearest difference is in-app purchases: magic at none against 签章助手's 3. On price, update cadence, ads and device support 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. magic asks for nothing beyond the download.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 3, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | magic | 签章助手 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | — | Free with in-app purchases |
| Size | 9 MB | 78 MB |
| Requires iOS | **16.6** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [亦涵 张](https://appshunter.io/developer/1851356704) | [家芳 陶](https://appshunter.io/developer/1891660721) |

## What reviewers say

### magic

[App page](https://appshunter.io/ios/app/magic-draw/id6755480975)

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

**In-app purchases:** none


### 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 magic free?

magic is free to download, with no in-app purchases.

### Is 签章助手 free?

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

### Do magic or 签章助手 have ads?

Neither magic nor 签章助手 shows ads.

### Which is updated more often, magic or 签章助手?

magic ships an update monthly, and 签章助手 monthly. Most recently, magic was updated on October 3, 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.*