# iDocScanner vs Katana.run

The clearest difference is update cadence: iDocScanner at every 8 months against Katana.run's every 33 months. iDocScanner also leads on iOS requirement (11.0 vs 15.1). 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.

iDocScanner ships an update every 8 months, Katana.run every 33 months. Both last shipped on September 28, 2026.

## The numbers

| Metric | iDocScanner | Katana.run |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 8 months** | Every 33 months |
| Size | 57 MB | 53 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ELSNER TECHNOLOGIES PRIVATE LIMITED](https://appshunter.io/developer/1097700858) | [Bits Kingdom LLC](https://appshunter.io/developer/1206516876) |

## What reviewers say

### iDocScanner

[App page](https://appshunter.io/ios/app/idocscanner-document-scanner/id1460090176)

**Features:** macOS Compatibility

**In-app purchases:** none


### Katana.run

[App page](https://appshunter.io/ios/app/katanarun/id6446367533)

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

**In-app purchases:** none


## Frequently asked questions

### Is iDocScanner free?

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

### Is Katana.run free?

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

### Do iDocScanner or Katana.run have ads?

Neither iDocScanner nor Katana.run shows ads.

### Which is updated more often, iDocScanner or Katana.run?

iDocScanner ships an update every 8 months, and Katana.run every 33 months. Most recently, iDocScanner was updated on September 28, 2026 and Katana.run on September 28, 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.*