# 掌中诀 (AI分析) vs DocScope

The clearest difference is update cadence: DocScope at weekly against 掌中诀 (AI分析)'s every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 掌中诀 (AI分析) sells 1 one-off in-app purchase and DocScope sells 2 in-app purchases, starting at $3.99 per year. Whichever you choose, the download price is not the number that matters.

掌中诀 (AI分析) ships an update every 3 months, DocScope weekly. The most recent releases landed on October 10, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | 掌中诀 (AI分析) | DocScope |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Size | 56 MB | 6 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 9+ |
| Developer | [CHEUNG PUI MAN](https://appshunter.io/developer/291179028) | [鹏飞 高](https://appshunter.io/developer/1747456623) |

## What reviewers say

### 掌中诀 (AI分析)

[App page](https://appshunter.io/ios/app/ai/id504270532)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AI大师分析 | $19.99 | one-time |


### DocScope

[App page](https://appshunter.io/ios/app/docscope/id6757520790)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Yearly Subscription | $3.99 | per year |
| Lifetime | $9.99 | one-time |


## Frequently asked questions

### Is 掌中诀 (AI分析) free?

掌中诀 (AI分析) is free to download, with in-app purchases available.

### Is DocScope free?

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

### Do 掌中诀 (AI分析) or DocScope have ads?

Neither 掌中诀 (AI分析) nor DocScope shows ads.

### Which is updated more often, 掌中诀 (AI分析) or DocScope?

掌中诀 (AI分析) ships an update every 3 months, and DocScope weekly. Most recently, 掌中诀 (AI分析) was updated on October 10, 2026 and DocScope 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.*