# Margins vs BookTower Barcode Library

The clearest difference is in-app purchases: BookTower Barcode Library at none against Margins's 3. BookTower Barcode Library also leads on iOS requirement (15.1 vs 17.0). Margins's advantage is ads (none vs shown) and chart position (#108 vs unranked). On price 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. BookTower Barcode Library asks for nothing beyond the download.

Margins ships an update every 4 days, BookTower Barcode Library every 9 days. The most recent releases landed on October 28, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Margins | BookTower Barcode Library |
| --- | --- | --- |
| 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 | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 4 days** | Every 9 days |
| Monetization | Free with in-app purchases | — |
| Best chart rank | **#108** | — |
| Size | 115 MB | 32 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Paratext Inc.](https://appshunter.io/developer/1724586882) | [minchul kim](https://appshunter.io/developer/1678251628) |

## What reviewers say

### Margins

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

**Currently charting:** #108 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 (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


### BookTower Barcode Library

[App page](https://appshunter.io/ios/app/booktower-barcode-library/id6758067675)

**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 BookTower Barcode Library free?

BookTower Barcode Library is free to download, with no in-app purchases.

### Do Margins or BookTower Barcode Library have ads?

BookTower Barcode Library shows ads; Margins does not.

### Which is updated more often, Margins or BookTower Barcode Library?

Margins ships an update every 4 days, and BookTower Barcode Library every 9 days. Most recently, Margins was updated on October 28, 2026 and BookTower Barcode Library on October 24, 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.*