# DocuLens vs FlashScan

The clearest difference is update cadence: FlashScan at weekly against DocuLens's every 3 weeks. DocuLens's advantage is iOS requirement (13.0 vs 16.0). 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.

DocuLens ships an update every 3 weeks, FlashScan weekly. The most recent releases landed on September 28, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | DocuLens | FlashScan |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Size | 111 MB | 5 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Nishaben Sudani](https://appshunter.io/developer/1872888740) | [祖恒 廖](https://appshunter.io/developer/1800609484) |

## What reviewers say

### DocuLens

[App page](https://appshunter.io/ios/app/doculens-smart-pdf-scanner/id6759091991)

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

**In-app purchases:** none


### FlashScan

[App page](https://appshunter.io/ios/app/flashscan-document-scanner/id6800587966)

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

**In-app purchases:** none


## Frequently asked questions

### Is DocuLens free?

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

### Is FlashScan free?

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

### Do DocuLens or FlashScan have ads?

Neither DocuLens nor FlashScan shows ads.

### Which is updated more often, DocuLens or FlashScan?

DocuLens ships an update every 3 weeks, and FlashScan weekly. Most recently, DocuLens was updated on September 28, 2026 and FlashScan on October 1, 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.*