# Vox vs SimpPDF Reader

The clearest difference is in-app purchases: SimpPDF Reader at none against Vox's 5. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Vox sells 5 in-app purchases, starting at $2.99 per month. SimpPDF Reader asks for nothing beyond the download.

## The numbers

| Metric | Vox | SimpPDF Reader |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | — | Daily |
| Size | 380 MB | 1 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Orion Software LLC](https://appshunter.io/developer/1754402580) | [Wei He](https://appshunter.io/developer/6783615797) |

## What reviewers say

### Vox

[App page](https://appshunter.io/ios/app/vox-text-to-speech-pdf-reader/id6783469464)

**Features:** Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Voices Monthly | $2.99 | per month |
| Premium Voices Yearly | $19.99 | per year |
| 50 Credits | $2.99 | one-time |
| 200 Credits | $8.99 | one-time |
| 500 Credits | $17.99 | one-time |


### SimpPDF Reader

[App page](https://appshunter.io/ios/app/simppdf-reader/id6783615795)

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

**In-app purchases:** none


## Frequently asked questions

### Is Vox free?

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

### Is SimpPDF Reader free?

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

### Do Vox or SimpPDF Reader have ads?

Neither Vox nor SimpPDF Reader shows ads.

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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.*