# Margins vs Swap Book

The clearest difference is in-app purchases: Swap Book at none against Margins's 3. Margins's advantage is chart position (#50 vs unranked). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Margins sells 3 in-app purchases, starting at $5.99 per month. Swap Book asks for nothing beyond the download.

Margins ships an update every 4 days, Swap Book every 3 days. The most recent releases landed on November 13, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Margins | Swap Book |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (20K ratings)](https://appshunter.io/ios/app/margins-book-tracker/id6737528718/reviews)** | — |
| Number of ratings | **20K** | — |
| Positive reviews | 95.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 days | **Every 3 days** |
| Monetization | Freemium | — |
| Best chart rank | **#50** | — |
| Size | 135 MB | 37 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Paratext Inc.](https://appshunter.io/developer/1724586882) | [Francis Lavalliere](https://appshunter.io/developer/937105774) |

## What reviewers say

### Margins

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

**Currently charting:** #50 Top Free · Book (US App Store)

Track your reading habits, discover new books through unique vibe-based searches, and block distracting apps to focus on your reading. This app offers a beautifully designed interface to curate your library, connect with friends, and manage book clubs.

**Highlights:** Log books, series, and authors, Track reading goals and streaks, Search books by mood and vibe, Block distracting apps, Customize book covers and library, Connect with friends and book clubs, Import from Goodreads and other platforms

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $5.99 | per month |
| Monthly | $9.99 | 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


### Swap Book

[App page](https://appshunter.io/ios/app/swap-book-explore/id6757575781)

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

**In-app purchases:** none


## Frequently asked questions

### Is Margins free?

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

### Is Swap Book free?

Swap Book is free to download, with no in-app purchases.

### Do Margins or Swap Book have ads?

Neither Margins nor Swap Book shows ads.

### Which is updated more often, Margins or Swap Book?

Margins ships an update every 4 days, and Swap Book every 3 days. Most recently, Margins was updated on November 13, 2026 and Swap Book on October 31, 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.*