# Book Stereo vs Audiary

The clearest difference is update cadence: Audiary at weekly against Book Stereo's every 3 months. Book Stereo's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 17.6). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Book Stereo sells 2 in-app purchases, starting at $9.99 per month and Audiary sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Book Stereo ships an update every 3 months, Audiary weekly. The most recent releases landed on October 16, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Book Stereo | Audiary |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/audiary-text-to-speech/id6764607212/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 89 MB | 26 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [ACube Games](https://appshunter.io/developer/1549245085) | [Working Model LLC](https://appshunter.io/developer/1895847983) |

## What reviewers say

### 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 |


### Audiary

[App page](https://appshunter.io/ios/app/audiary-text-to-speech/id6764607212)

Transform text into natural-sounding audio using on-device AI. Listen to articles, documents, or typed content with customizable voices and playback options. Enjoy offline listening without subscriptions or ads.

**Highlights:** On-device AI neural voices, Customizable voice tiers, Adjustable playback speed, Markdown-aware chapters, Word-by-word highlighting, Custom pronunciations, Offline playback

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Audiary Premium | $6.99 | one-time |


## Frequently asked questions

### Is Book Stereo free?

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

### Is Audiary free?

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

### Do Book Stereo or Audiary have ads?

Neither Book Stereo nor Audiary shows ads.

### Which is updated more often, Book Stereo or Audiary?

Book Stereo ships an update every 3 months, and Audiary weekly. Most recently, Book Stereo was updated on October 16, 2026 and Audiary on October 28, 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.*