# GenPDF vs HKDO

The clearest difference is update cadence: GenPDF at weekly against HKDO's every 2 weeks. 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.

GenPDF ships an update weekly, HKDO every 2 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | GenPDF | HKDO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/genpdf-smart-doc-scanner/id6755714599/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 weeks |
| Monetization | Free | — |
| Size | 74 MB | 37 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [VU THANH](https://appshunter.io/developer/1009861172) | [EFFECT SOFTWARE JOINT STOCK COMPANY](https://appshunter.io/developer/1610138373) |

## What reviewers say

### GenPDF

[App page](https://appshunter.io/ios/app/genpdf-smart-doc-scanner/id6755714599)

Transform your device into a portable scanner to digitize documents, receipts, and ID cards. Offers smart edge detection, perspective correction, and high-quality enhancement filters. Easily create multi-page PDFs and share them in various formats.

**Highlights:** Smart document edge detection, Perspective correction, High-quality scan enhancement filters, Multi-page PDF creation, ID card scanning mode, Efficient file organization, Easy sharing options

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

**In-app purchases:** none


### HKDO

[App page](https://appshunter.io/ios/app/hkdo/id6761976886)

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

**In-app purchases:** none


## Frequently asked questions

### Is GenPDF free?

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

### Is HKDO free?

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

### Do GenPDF or HKDO have ads?

Neither GenPDF nor HKDO shows ads.

### Which is updated more often, GenPDF or HKDO?

GenPDF ships an update weekly, and HKDO every 2 weeks. Most recently, GenPDF was updated on October 24, 2026 and HKDO on October 24, 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.*