# IsDBI Reader vs Book Tracker

The clearest difference is in-app purchases: IsDBI Reader at none against Book Tracker's 3. IsDBI Reader also leads on rating (5.0 vs 4.8). Book Tracker's advantage is update cadence (every 5 days vs every 3 weeks) and ratings volume (6 vs 1). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Book Tracker sells 3 in-app purchases, starting at $2.99 per month. IsDBI Reader asks for nothing beyond the download.

IsDBI Reader holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Book Tracker has 6 ratings behind it against 1, so its average is the more settled of the two.

IsDBI Reader ships an update every 3 weeks, Book Tracker every 5 days. The most recent releases landed on October 3, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | IsDBI Reader | Book Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/isdbi-reader/id1567203321/reviews)** | [4.8 (6 ratings)](https://appshunter.io/ios/app/book-tracker-bookstack/id6756306175/reviews) |
| Number of ratings | 1 | **6** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Monetization | **Free** | Freemium |
| Size | 40 MB | 91 MB |
| Requires iOS | 16.1 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Ethmar Advertising Company](https://appshunter.io/developer/1255316278) | [Jozef Grec](https://appshunter.io/developer/1859977615) |

## What reviewers say

### IsDBI Reader

[App page](https://appshunter.io/ios/app/isdbi-reader/id1567203321)

Access and organize Islamic economics, banking, and finance publications. This reader allows you to sync purchases, collections, bookmarks, and notes across all your devices for a personalized reading experience.

**Highlights:** Access purchased books across devices, Organize books into personal collections, Sync bookmarks, highlights, and notes, Customizable reading experience, Access research publications

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

**In-app purchases:** none


### Book Tracker

[App page](https://appshunter.io/ios/app/book-tracker-bookstack/id6756306175)

Easily track your reading journey with this beautifully designed app. Log books, add start/finish dates, organize your library, and reflect on your reading habits. Add notes, ratings, and custom tags to personalize your experience.

**Highlights:** Track read and currently reading books, Organize books into series, Add custom tags and notes, Rate finished books, View reading timeline and history, Add books by title or author

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $2.99 | per month |
| Premium Yearly | $24.99 | per year |
| BookStack Premium (Lifetime) | $59.99 | one-time |


## Frequently asked questions

### Is IsDBI Reader free?

IsDBI Reader is free to download, with no in-app purchases.

### Is Book Tracker free?

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

### Which has better reviews, IsDBI Reader or Book Tracker?

IsDBI Reader is rated higher. IsDBI Reader averages 5.0 out of 5 from 1 ratings, while Book Tracker averages 4.8 from 6 ratings.

### Do IsDBI Reader or Book Tracker have ads?

Neither IsDBI Reader nor Book Tracker shows ads.

### Which is updated more often, IsDBI Reader or Book Tracker?

IsDBI Reader ships an update every 3 weeks, and Book Tracker every 5 days. Most recently, IsDBI Reader was updated on October 3, 2026 and Book Tracker on October 8, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*