# 掌上印章 vs StudArt

The clearest difference is in-app purchases: StudArt at none against 掌上印章's 6. 掌上印章's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. 掌上印章 sells 6 in-app purchases, starting at $2.99 per month. StudArt asks for nothing beyond the download.

掌上印章 ships an update every 6 weeks, StudArt every 2 months. The most recent releases landed on October 18, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 掌上印章 | StudArt |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 12 MB | 37 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Chengdu Art-bit Technology Co., Ltd.](https://appshunter.io/developer/1576046300) | [Ivan Rodriguez](https://appshunter.io/developer/1837401197) |

## What reviewers say

### 掌上印章

[App page](https://appshunter.io/ios/app/id6746333405)

Create realistic digital stamps for various purposes, including business, personal use, and promotional needs. Customize text, add aging effects, and save to your device. You can also directly stamp PDF files.

**Highlights:** Customizable stamp content, Realistic aging effects, Save stamps to device, Stamp directly on PDFs, Variety of stamp types

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1个月 | $2.99 | per month |
| 季会员 | $7.99 | per 3 months |
| 年会员 | $19.99 | per year |
| 保存5次 | $1.99 | one-time |
| 保存20次 | $3.99 | one-time |
| 终身会员 | $29.99 | one-time |


### StudArt

[App page](https://appshunter.io/ios/app/studart/id6755956316)

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

**In-app purchases:** none


## Frequently asked questions

### Is 掌上印章 free?

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

### Is StudArt free?

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

### Do 掌上印章 or StudArt have ads?

StudArt shows ads; 掌上印章 does not.

### Which is updated more often, 掌上印章 or StudArt?

掌上印章 ships an update every 6 weeks, and StudArt every 2 months. Most recently, 掌上印章 was updated on October 18, 2026 and StudArt on October 25, 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.*