# KOMS vs PDF Documents Scanner

The clearest difference is in-app purchases: KOMS at none against PDF Documents Scanner's 2. KOMS also leads on iOS requirement (12.0 vs 18.0). PDF Documents Scanner's advantage is device support. On price there is nothing between them.

Both are free to download. PDF Documents Scanner sells 2 in-app purchases, starting at $8.99 per 7 days. KOMS asks for nothing beyond the download.

## The numbers

| Metric | KOMS | PDF Documents Scanner |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | — | Yes |
| Update frequency | — | Every 3 weeks |
| Size | 28 MB | 21 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | — | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [上海凯斯领拓技术有限公司](https://appshunter.io/developer/1696907877) | [HRango](https://appshunter.io/developer/1747277318) |

## What reviewers say

### KOMS

[App page](https://appshunter.io/ios/app/koms/id6467385401)

**In-app purchases:** none


### PDF Documents Scanner

[App page](https://appshunter.io/ios/app/pdf-documents-scanner/id6803100158)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $8.99 | per 7 days |
| Document Scanner Premium | $9.99 | per 7 days |


## Frequently asked questions

### Is KOMS free?

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

### Is PDF Documents Scanner free?

PDF Documents Scanner is free to download, with in-app purchases available.

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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.*