# Oopi vs Vox

The clearest difference is iOS requirement: Oopi at 15.1 against Vox's 17.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Oopi sells 2 one-off in-app purchases and Vox sells 5 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Oopi | Vox |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Size | 54 MB | 380 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 9+ | 17+ |
| Developer | [Marat Safutdinov](https://appshunter.io/developer/1813423470) | [Orion Software LLC](https://appshunter.io/developer/1754402580) |

## What reviewers say

### Oopi

[App page](https://appshunter.io/ios/app/oopi-image-to-ai-note/id6757530930)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 99 Tokens | $1.99 | one-time |
| 799 Tokens | $9.99 | one-time |


### 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 |


## Frequently asked questions

### Is Oopi free?

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

### Is Vox free?

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

### Do Oopi or Vox have ads?

Neither Oopi nor Vox 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.*