# eBook Flip vs Codex Books

The clearest difference is in-app purchases: eBook Flip at none against Codex Books's 1. eBook Flip also leads on iOS requirement (12.0 vs 18.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Codex Books sells 1 one-off in-app purchase. eBook Flip asks for nothing beyond the download.

eBook Flip ships an update every 8 days, Codex Books every 5 days. The most recent releases landed on October 16, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | eBook Flip | Codex Books |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 days | **Every 5 days** |
| Size | 109 MB | 5 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hurix Systems Pvt. Ltd.](https://appshunter.io/developer/429900405) | [Shinro OU](https://appshunter.io/developer/6780296771) |

## What reviewers say

### eBook Flip

[App page](https://appshunter.io/ios/app/ebook-flip/id6504848694)

**Features:** macOS Compatibility

**In-app purchases:** none


### Codex Books

[App page](https://appshunter.io/ios/app/codex-books/id6794109669)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Library (Lifetime) | $5.99 | one-time |


## Frequently asked questions

### Is eBook Flip free?

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

### Is Codex Books free?

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

### Do eBook Flip or Codex Books have ads?

Neither eBook Flip nor Codex Books shows ads.

### Which is updated more often, eBook Flip or Codex Books?

eBook Flip ships an update every 8 days, and Codex Books every 5 days. Most recently, eBook Flip was updated on October 16, 2026 and Codex Books on October 7, 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.*