# Calibre 2 vs Athene Reader

The clearest difference is iOS requirement: Calibre 2 at 15.0 against Athene Reader's 26.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Calibre 2 | Athene Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (6 ratings)](https://appshunter.io/ios/app/athene-reader/id6811711454/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | — | 80.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 2 days |
| Monetization | — | Free |
| Size | 2 MB | 36 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Clarence Aubessard](https://appshunter.io/developer/1857781222) | [Aditya Sreedhar](https://appshunter.io/developer/6811711456) |

## What reviewers say

### Calibre 2

[App page](https://appshunter.io/ios/app/calibre-2/id6802086061)

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

**In-app purchases:** none


### Athene Reader

[App page](https://appshunter.io/ios/app/athene-reader/id6811711454)

Organize and read your digital books from various sources. Customize your reading experience with adjustable fonts, colors, and layouts. Listen to your books, take notes, and even ask questions about the content with an AI assistant.

**Highlights:** Import books from various sources, Customizable reading interface, Text-to-speech functionality, Note-taking and highlighting, AI-powered content questions, Offline dictionary, iCloud Sync

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Calibre 2 free?

Calibre 2 is free to download, with no in-app purchases.

### Is Athene Reader free?

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

### Do Calibre 2 or Athene Reader have ads?

Neither Calibre 2 nor Athene Reader shows ads.

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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.*