# Margins vs Codex Books

The clearest difference is chart position: Margins at #102 against Codex Books's unranked. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Margins sells 2 in-app purchases, starting at $5.99 per month and Codex Books sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Margins ships an update every 4 days, Codex Books every 5 days. The most recent releases landed on October 21, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Margins | Codex Books |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (20K ratings)](https://appshunter.io/ios/app/margins-book-tracker/id6737528718/reviews)** | — |
| Number of ratings | **20K** | — |
| Positive reviews | 95.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 5 days |
| Monetization | Free with in-app purchases | — |
| Best chart rank | **#102** | — |
| Size | 115 MB | 5 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Paratext Inc.](https://appshunter.io/developer/1724586882) | [Shinro OU](https://appshunter.io/developer/6780296771) |

## What reviewers say

### Margins

[App page](https://appshunter.io/ios/app/margins-book-tracker/id6737528718)

**Currently charting:** #102 Top Free · Book (US App Store)

This app helps you discover, track, and share your reading journey. It offers detailed tracking options, customizable features, and powerful search capabilities. Stay focused on your reading goals with built-in tools to minimize distractions.

**Highlights:** Half-star ratings, Track recommendations, Customizable book covers, Fuzzy date tracking, Advanced book search, Reading goals, Reading timer, Distraction blocking

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $5.99 | per month |
| Annual | $59.99 | per year |

**What reviewers like**

- 👍 Easy to use
- 🎨 Aesthetically pleasing design
- 🔍 Helpful search and recommendation features
- 📚 Comprehensive book tracking capabilities
- 🔄 Smooth import from Goodreads

**What reviewers complain about**

- 🐛 Missing books in the database
- 🔍 Limited search and filtering options
- 🔒 Concerns about using phone number for sign-up
- 🔢 Lack of social features and community

**Reported bugs**

- Reading time not saving correctly
- Inability to delete or edit books from lists
- Inconsistent behavior when importing data from Goodreads

**Requested features**

- Add ability to track page progress and percentage read
- Implement a profile system with custom avatars and bios
- Introduce a social feed to share reading activity with friends
- Add more advanced statistics and reading analytics


### 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 Margins free?

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

### Is Codex Books free?

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

### Do Margins or Codex Books have ads?

Neither Margins nor Codex Books shows ads.

### Which is updated more often, Margins or Codex Books?

Margins ships an update every 4 days, and Codex Books every 5 days. Most recently, Margins was updated on October 21, 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.*