# PDFExchanger vs Viora H

PDFExchanger and Viora H are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

PDFExchanger ships an update every 2 weeks, Viora H every 9 days. The most recent releases landed on October 19, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | PDFExchanger | Viora H |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 2 weeks | **Every 9 days** |
| Size | 15 MB | 34 MB |
| Requires iOS | 17 | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [楚城 卓](https://appshunter.io/developer/1565528837) | [玉梅 李](https://appshunter.io/developer/1815049661) |

## What reviewers say

### PDFExchanger

[App page](https://appshunter.io/ios/app/pdfexchanger/id6760964911)

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

**In-app purchases:** none


### Viora H

[App page](https://appshunter.io/ios/app/viora-h/id6807796800)

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

**In-app purchases:** none


## Frequently asked questions

### Is PDFExchanger free?

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

### Is Viora H free?

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

### Do PDFExchanger or Viora H have ads?

Both PDFExchanger and Viora H show ads.

### Which is updated more often, PDFExchanger or Viora H?

PDFExchanger ships an update every 2 weeks, and Viora H every 9 days. Most recently, PDFExchanger was updated on October 19, 2026 and Viora H on October 15, 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.*