# Book Tracker App vs Earmark Audiobooks

The clearest difference is in-app purchases: Earmark Audiobooks at none against Book Tracker App's 1. Book Tracker App's advantage is iOS requirement (16.0 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Book Tracker App sells 1 one-off in-app purchase. Earmark Audiobooks asks for nothing beyond the download.

Book Tracker App ships an update every 2 weeks, Earmark Audiobooks weekly. Both last shipped on October 24, 2026.

## The numbers

| Metric | Book Tracker App | Earmark Audiobooks |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (6 ratings)](https://appshunter.io/ios/app/book-tracker-app-ex-libris/id6455986946/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 341 MB | 10 MB |
| Requires iOS | **16.0** | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Fidelis](https://appshunter.io/developer/1542513151) | [AM2 LLC](https://appshunter.io/developer/1541533256) |

## What reviewers say

### Book Tracker App

[App page](https://appshunter.io/ios/app/book-tracker-app-ex-libris/id6455986946)

Effortlessly track, organize, and categorize your reading list. Add books via barcode, ISBN, or manual entry. Syncs across devices with iCloud and offers features like loan tracking and custom location tabs.

**Highlights:** Add books via barcode, ISBN, or manual entry, Organize books into custom categories, Track loaned books, Create wish lists, Syncs with iCloud across devices, Speech-to-text for comments, Export lists as CSV

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ex Libris Pro | $12.99 | one-time |


### Earmark Audiobooks

[App page](https://appshunter.io/ios/app/earmark-audiobooks/id6808821106)

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

**In-app purchases:** none


## Frequently asked questions

### Is Book Tracker App free?

Book Tracker App is free to download, with in-app purchases available.

### Is Earmark Audiobooks free?

Earmark Audiobooks is free to download, with no in-app purchases.

### Do Book Tracker App or Earmark Audiobooks have ads?

Neither Book Tracker App nor Earmark Audiobooks shows ads.

### Which is updated more often, Book Tracker App or Earmark Audiobooks?

Book Tracker App ships an update every 2 weeks, and Earmark Audiobooks weekly. Most recently, Book Tracker App was updated on October 24, 2026 and Earmark Audiobooks 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.*