# 多多扫描 vs PureScan

The clearest difference is update cadence: 多多扫描 at every 9 days against PureScan's every 3 weeks. 多多扫描 also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. 多多扫描 sells 5 in-app purchases, starting at $0.99 per month and PureScan sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

多多扫描 ships an update every 9 days, PureScan every 3 weeks. Both last shipped on October 31, 2026.

## The numbers

| Metric | 多多扫描 | PureScan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/purescan-pdf-document-scanner/id6789188388/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 3 weeks |
| Monetization | — | Free |
| Size | 60 MB | 5 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Suqian Pingchangxin Software Technology Co., Ltd](https://appshunter.io/developer/1880052700) | [Anwa Leo](https://appshunter.io/developer/548912964) |

## What reviewers say

### 多多扫描

[App page](https://appshunter.io/ios/app/id6759660183)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 连续包月 | $0.99 | per month |
| 连续包年 | $14.99 | per year |
| 一个月会员 | $1.99 | one-time |
| 一年会员 | $19.99 | one-time |
| 终身会员 | $24.99 | one-time |


### PureScan

[App page](https://appshunter.io/ios/app/purescan-pdf-document-scanner/id6789188388)

This app is a privacy-focused document scanner that performs all operations locally on your device. It offers on-device OCR for full-text search and creates searchable PDFs without requiring an account or internet access.

**Highlights:** 100% On-Device Scanning, Instant Full-Text Search, Searchable PDF Export, Smart Capture & Perspective Crop, On-Device PDF Password Protection, Multi-Language OCR

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PureScan Pro Lifetime | $2.99 | one-time |


## Frequently asked questions

### Is 多多扫描 free?

多多扫描 is free to download, with in-app purchases available.

### Is PureScan free?

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

### Do 多多扫描 or PureScan have ads?

Neither 多多扫描 nor PureScan shows ads.

### Which is updated more often, 多多扫描 or PureScan?

多多扫描 ships an update every 9 days, and PureScan every 3 weeks. Most recently, 多多扫描 was updated on October 31, 2026 and PureScan on October 31, 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.*