# Invoice Helper vs 印章

The clearest difference is in-app purchases: Invoice Helper at none against 印章's 4. Invoice Helper also leads on iOS requirement (9.0 vs 11.0). On price, ads and device support there is nothing between them.

Both are free to download. 印章 sells 4 in-app purchases, starting at $3.99 per 7 days. Invoice Helper asks for nothing beyond the download.

## The numbers

| Metric | Invoice Helper | 印章 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/id6448946489/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | — |
| Monetization | — | Free with in-app purchases |
| Size | 10 MB | 74 MB |
| Requires iOS | **9.0** | 11.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [鸿升 刁](https://appshunter.io/developer/989108121) | [巍 王](https://appshunter.io/developer/1686346427) |

## What reviewers say

### Invoice Helper

[App page](https://appshunter.io/ios/app/invoice-helper/id1254868452)

**Features:** macOS Compatibility

**In-app purchases:** none


### 印章

[App page](https://appshunter.io/ios/app/id6448946489)

Create realistic stamps with various templates and customization options. Import documents to stamp them and export as PDFs, with adjustable stamp sizes.

**Highlights:** Multiple stamp templates (round, square, oval), Customizable text size, spacing, and border, Realistic aging effects, Import documents for stamping, Adjustable stamp size for documents, Export stamped documents as PDF

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 印章 - 周会员 | $3.99 | per 7 days |
| 印章 - 年度会员 | $29.99 | per year |
| 印章制作单次保存 | $0.99 | one-time |
| 印章制作10次保存 | $6.99 | one-time |


## Frequently asked questions

### Is Invoice Helper free?

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

### Is 印章 free?

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

### Do Invoice Helper or 印章 have ads?

Neither Invoice Helper nor 印章 shows ads.

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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.*