# 龙虾AI vs Scan Master

The clearest difference is in-app purchases: Scan Master at none against 龙虾AI's 3. Scan Master also leads on device support. 龙虾AI's advantage is iOS requirement (16 vs 26). On price there is nothing between them.

Both are free to download. 龙虾AI sells 3 in-app purchases, starting at $0.99 per month. Scan Master asks for nothing beyond the download.

## The numbers

| Metric | 龙虾AI | Scan Master |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/scan-master-offline-scanner/id6761264172/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | — | No |
| Update frequency | — | Every 5 days |
| Monetization | — | Free |
| Size | 1 MB | 6 MB |
| Requires iOS | **16** | 26 |
| Devices | — | **iPhone, iPad** |
| Age rating | 17+ | 4+ |
| Developer | [贺 刘](https://appshunter.io/developer/1585977975) | [礼杰 朱](https://appshunter.io/developer/1838837298) |

## What reviewers say

### 龙虾AI

[App page](https://appshunter.io/ios/app/ai/id6760580004)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 一个月会员权益 | $0.99 | per month |
| 三个月会员权益 | $2.99 | per 3 months |
| 一年会员权益 | $9.99 | per year |


### Scan Master

[App page](https://appshunter.io/ios/app/scan-master-offline-scanner/id6761264172)

This app allows you to quickly scan documents, IDs, and exam papers directly on your device, converting them into clean PDF files. You can also import photos to create PDFs and easily export or share your scanned documents. It's designed for speed, simplicity, and privacy.

**Highlights:** Scan documents to PDF, Scan IDs and cards, Import photos to PDF, Multi-page organization, Export and share PDFs, On-device processing

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

**In-app purchases:** none


## Frequently asked questions

### Is 龙虾AI free?

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

### Is Scan Master free?

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

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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.*