# Calibre Companion vs Codex Reader Early Access

The clearest difference is ads: Codex Reader Early Access at none against Calibre Companion's shown. Codex Reader Early Access also leads on update cadence (weekly vs every 5 weeks). Calibre Companion's advantage is iOS requirement (13.0 vs 16.4). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Calibre Companion sells 6 in-app purchases, starting at $1.99 per month and Codex Reader Early Access sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Calibre Companion ships an update every 5 weeks, Codex Reader Early Access weekly. The most recent releases landed on October 19, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Calibre Companion | Codex Reader Early Access |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.2 (313 ratings)](https://appshunter.io/ios/app/calibre-companion/id1171161691/reviews)** | — |
| Number of ratings | **313** | — |
| Positive reviews | 36.6% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 66 MB | 104 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Gold Tree Consulting LLC](https://appshunter.io/developer/1470813324) | [Cameron Green](https://appshunter.io/developer/1493306411) |

## What reviewers say

### Calibre Companion

[App page](https://appshunter.io/ios/app/calibre-companion/id1171161691)

This app organizes your ebook library on your device, emulates a device for WiFi connections to your main library, and acts as a content server client for cloud storage. It allows you to view book metadata, sort and group books, mark them as read, and launch your preferred reader app.

**Highlights:** Device-based library organizer, WiFi-based device emulator, Content server and cloud client, View and sort book metadata, Mark books as read, Sync read status with Calibre

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Calibre Companion | $1.99 | per month |
| Monthly Subscription | $1.99 | per month |
| Monthly Subscription | $1.99 | per month |
| Calibre Companion | $14.99 | per year |
| Yearly Subscription | $14.99 | per year |
| Yearly Subscription | $14.99 | per year |

**What reviewers like**

- 🚀 Easy to use
- 🚀 Seamless integration with Calibre
- 👍 Useful for organizing ebook library
- 👍 Convenient access to books on mobile devices

**What reviewers complain about**

- 🐛 Bugs and glitches after updates
- 💰 Subscription model introduced for existing users
- 📢 Intrusive advertisements even for paid users
- 🔒 Lack of security/privacy features (e.g. 2FA)

**Reported bugs**

- Inability to connect to Calibre content server
- Books disappearing from library after updates
- Syncing issues between app and Calibre library
- Compatibility problems with newer iOS versions

**Requested features**

- Bulk download/transfer of books
- Built-in ebook reader functionality
- Support for more cloud storage services
- Improved sorting and filtering options


### Codex Reader Early Access

[App page](https://appshunter.io/ios/app/codex-reader-early-access/id6762022936)

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

**In-app purchases (1)**

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


## Frequently asked questions

### Is Calibre Companion free?

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

### Is Codex Reader Early Access free?

Codex Reader Early Access is free to download, with in-app purchases available.

### Do Calibre Companion or Codex Reader Early Access have ads?

Calibre Companion shows ads; Codex Reader Early Access does not.

### Which is updated more often, Calibre Companion or Codex Reader Early Access?

Calibre Companion ships an update every 5 weeks, and Codex Reader Early Access weekly. Most recently, Calibre Companion was updated on October 19, 2026 and Codex Reader Early Access on October 14, 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.*