# Document Lens vs KlarScan

The clearest difference is iOS requirement: Document Lens at 15.0 against KlarScan's 18.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Document Lens sells 1 one-off in-app purchase and KlarScan sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Document Lens ships an update every 10 days, KlarScan every 2 weeks. Both last shipped on September 10, 2026.

## The numbers

| Metric | Document Lens | KlarScan |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 2 weeks |
| Size | 1 MB | 4 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Moacir Schierscher](https://appshunter.io/developer/1882375088) | [BYTEPOTATO UG (haftungsbeschraenkt)](https://appshunter.io/developer/1864772555) |

## What reviewers say

### Document Lens

[App page](https://appshunter.io/ios/app/document-lens-ocr-scanner/id6761993811)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Access | $0.99 | one-time |


### KlarScan

[App page](https://appshunter.io/ios/app/klarscan-document-scanner/id6801194724)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 7-day Trial | Free | one-time |
| Full version | $3.99 | one-time |


## Frequently asked questions

### Is Document Lens free?

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

### Is KlarScan free?

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

### Do Document Lens or KlarScan have ads?

Neither Document Lens nor KlarScan shows ads.

### Which is updated more often, Document Lens or KlarScan?

Document Lens ships an update every 10 days, and KlarScan every 2 weeks. Most recently, Document Lens was updated on September 10, 2026 and KlarScan on September 10, 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.*