# UDABook vs Librivox Audiobooks.

The clearest difference is in-app purchases: UDABook at none against Librivox Audiobooks.'s 3. UDABook also leads on update cadence (every 3 weeks vs every 2 months). Librivox Audiobooks.'s advantage is iOS requirement (15.1 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. Librivox Audiobooks. sells 3 in-app purchases, starting at $4.99 per 7 days. UDABook asks for nothing beyond the download.

UDABook ships an update every 3 weeks, Librivox Audiobooks. every 2 months. The most recent releases landed on October 15, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | UDABook | Librivox Audiobooks. |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Size | 66 MB | 32 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Universidad del Azuay](https://appshunter.io/developer/1651454697) | [Natalja Morozova](https://appshunter.io/developer/1852342078) |

## What reviewers say

### UDABook

[App page](https://appshunter.io/ios/app/udabook/id6746132182)

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

**In-app purchases:** none


### Librivox Audiobooks.

[App page](https://appshunter.io/ios/app/librivox-audiobooks/id6755715428)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $4.99 | per 7 days |
| Monhly Premium | $9.99 | per month |
| Yearly Premium | $29.99 | per year |


## Frequently asked questions

### Is UDABook free?

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

### Is Librivox Audiobooks. free?

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

### Do UDABook or Librivox Audiobooks. have ads?

Neither UDABook nor Librivox Audiobooks. shows ads.

### Which is updated more often, UDABook or Librivox Audiobooks.?

UDABook ships an update every 3 weeks, and Librivox Audiobooks. every 2 months. Most recently, UDABook was updated on October 15, 2026 and Librivox Audiobooks. on October 9, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*