# Digital OCR PDF Scan vs 九牧王B2B

The clearest difference is update cadence: 九牧王B2B at every 53 months against Digital OCR PDF Scan's every 112 months. 九牧王B2B also leads on iOS requirement (10.0 vs 14.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Digital OCR PDF Scan ships an update every 112 months, 九牧王B2B every 53 months. The most recent releases landed on August 25, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Digital OCR PDF Scan | 九牧王B2B |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 112 months | **Every 53 months** |
| Size | 192 MB | 18 MB |
| Requires iOS | 14.0 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Aishvarya Sadasivam](https://appshunter.io/developer/1062048241) | [Lifecycle.cn](https://appshunter.io/developer/465223252) |

## What reviewers say

### Digital OCR PDF Scan

[App page](https://appshunter.io/ios/app/digital-ocr-pdf-scan-unlimit/id1088659885)

**Features:** macOS Compatibility

**In-app purchases:** none


### 九牧王B2B

[App page](https://appshunter.io/ios/app/b2b/id1318619744)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Digital OCR PDF Scan free?

Digital OCR PDF Scan is free to download, with no in-app purchases.

### Is 九牧王B2B free?

九牧王B2B is free to download, with no in-app purchases.

### Do Digital OCR PDF Scan or 九牧王B2B have ads?

Neither Digital OCR PDF Scan nor 九牧王B2B shows ads.

### Which is updated more often, Digital OCR PDF Scan or 九牧王B2B?

Digital OCR PDF Scan ships an update every 112 months, and 九牧王B2B every 53 months. Most recently, Digital OCR PDF Scan was updated on August 25, 2026 and 九牧王B2B on September 16, 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.*