# Ubook vs Dentro do Azul

The clearest difference is in-app purchases: Dentro do Azul at none against Ubook's 14. Dentro do Azul also leads on ads (none vs shown). Ubook's advantage is update cadence (fortnightly vs every 41 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Ubook sells 14 in-app purchases, starting at $2.99 per month. Dentro do Azul asks for nothing beyond the download.

Ubook ships an update fortnightly, Dentro do Azul every 41 months. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Ubook | Dentro do Azul |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (85 ratings)](https://appshunter.io/ios/app/ubook-audiobooks/id796476765/reviews)** | — |
| Number of ratings | **85** | — |
| Positive reviews | 40.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 41 months |
| Monetization | Free with in-app purchases | — |
| Size | 130 MB | 100 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Ubook Editora Ltda](https://appshunter.io/developer/796476768) | [Ardozia](https://appshunter.io/developer/520333874) |

## What reviewers say

### Ubook

[App page](https://appshunter.io/ios/app/ubook-audiobooks/id796476765)

Access a vast library of books, podcasts, and documentaries for both reading and listening. Download content for offline enjoyment, making it perfect for commutes, exercise, or any time you want to immerse yourself in stories without an internet connection.

**Highlights:** Vast content library, Audiobook listening, Podcast streaming, Documentary viewing, Offline mode, Downloadable content

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

**In-app purchases (14)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Assinatura Premium Mensal | $2.99 | per month |
| Premium Subscription | $3.49 | per month |
| Premium Subscription | $3.99 | per month |
| Premium Mensal | $3.99 | per month |
| Assinatura Premium Mensal | $3.99 | per month |
| Ubook Premium Subscription | $4.49 | per month |
| Premium Monthly Subscription | $4.99 | per month |
| Premium Subscription | $6.49 | per month |
| Ubook Premium | $6.99 | per month |
| Monthly Premium Subscription | $7.49 | per month |
| Monthly Premium Subscription | $7.99 | per month |
| Plano Premium Mensal | $9.99 | per month |
| Ubook Subscription - Monthly | $9.99 | per month |
| Ubook Subscription - Monthly | $12.99 | per month |


### Dentro do Azul

[App page](https://appshunter.io/ios/app/dentro-do-azul/id6445956556)

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

**In-app purchases:** none


## Frequently asked questions

### Is Ubook free?

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

### Is Dentro do Azul free?

Dentro do Azul is free to download, with no in-app purchases.

### Do Ubook or Dentro do Azul have ads?

Ubook shows ads; Dentro do Azul does not.

### Which is updated more often, Ubook or Dentro do Azul?

Ubook ships an update fortnightly, and Dentro do Azul every 41 months. Most recently, Ubook was updated on October 29, 2026 and Dentro do Azul on October 24, 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.*