# Folio vs Vox9 Audiobooks

The clearest difference is in-app purchases: Vox9 Audiobooks at none against Folio's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Folio sells 3 in-app purchases, starting at $4.99 per month. Vox9 Audiobooks asks for nothing beyond the download.

Folio ships an update every 9 days, Vox9 Audiobooks every 8 days. The most recent releases landed on November 5, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Folio | Vox9 Audiobooks |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (81 ratings)](https://appshunter.io/ios/app/vox9-audiobooks/id6789906542/reviews)** |
| Number of ratings | — | **81** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 8 days** |
| Monetization | — | Free |
| Size | 10 MB | 54 MB |
| Requires iOS | **16.0** | 16.4 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Tetsuhiro Nomura](https://appshunter.io/developer/1806548895) | [vox9 Studios](https://appshunter.io/developer/6789906544) |

## What reviewers say

### Folio

[App page](https://appshunter.io/ios/app/folio-read-the-classics/id6786104973)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Folio — Monthly | $4.99 | per month |
| Folio — Yearly | $29.99 | per year |
| Lifetime — Full Library | $49.99 | one-time |


### Vox9 Audiobooks

[App page](https://appshunter.io/ios/app/vox9-audiobooks/id6789906542)

Discover and listen to serialized fiction narrated by AI voices. Explore thousands of stories across various genres, with options for offline playback and customizable listening speeds. Enjoy unique features like scene images and captions.

**Highlights:** AI-narrated serialized fiction, Offline episode downloads, Customizable playback speed, Background and lock-screen playback, Genre browsing, Scene images for supported episodes

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

**In-app purchases:** none


## Frequently asked questions

### Is Folio free?

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

### Is Vox9 Audiobooks free?

Vox9 Audiobooks is free to download, with no in-app purchases.

### Do Folio or Vox9 Audiobooks have ads?

Neither Folio nor Vox9 Audiobooks shows ads.

### Which is updated more often, Folio or Vox9 Audiobooks?

Folio ships an update every 9 days, and Vox9 Audiobooks every 8 days. Most recently, Folio was updated on November 5, 2026 and Vox9 Audiobooks on November 10, 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.*