# Text to Speech vs Book Stereo

The clearest difference is ads: Book Stereo at none against Text to Speech's shown. Book Stereo also leads on iOS requirement (13.0 vs 15.5). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Text to Speech sells 2 in-app purchases, starting at $5.99 per 7 days and Book Stereo sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

Text to Speech ships an update every 4 months, Book Stereo every 3 months. The most recent releases landed on November 12, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Text to Speech | Book Stereo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 3 months** |
| Size | 101 MB | 91 MB |
| Requires iOS | 15.5 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Vlad Gavrulash](https://appshunter.io/developer/1787540130) | [2773520 Ontario Inc.](https://appshunter.io/developer/1549245085) |

## What reviewers say

### Text to Speech

[App page](https://appshunter.io/ios/app/text-to-speech-zen-ai-reader/id6761013423)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $5.99 | per 7 days |
| Premium Monthly | $19.99 | per month |


### Book Stereo

[App page](https://appshunter.io/ios/app/book-stereo/id6764363129)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $9.99 | per month |
| Ultimate Monthly | $19.99 | per month |


## Frequently asked questions

### Is Text to Speech free?

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

### Is Book Stereo free?

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

### Do Text to Speech or Book Stereo have ads?

Text to Speech shows ads; Book Stereo does not.

### Which is updated more often, Text to Speech or Book Stereo?

Text to Speech ships an update every 4 months, and Book Stereo every 3 months. Most recently, Text to Speech was updated on November 12, 2026 and Book Stereo on November 5, 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.*