# Book Tracker vs Octaedro Digital

The clearest difference is in-app purchases: Octaedro Digital at none against Book Tracker's 6. Octaedro Digital also leads on iOS requirement (16 vs 18.4). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Book Tracker sells 6 in-app purchases, starting at $2.99 per month. Octaedro Digital asks for nothing beyond the download.

Book Tracker ships an update every 5 weeks, Octaedro Digital every 3 weeks. The most recent releases landed on November 3, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Book Tracker | Octaedro Digital |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (750 ratings)](https://appshunter.io/ios/app/book-tracker-highlighted/id1480216009/reviews)** | — |
| Number of ratings | **750** | — |
| Positive reviews | 92.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 72 MB | 89 MB |
| Requires iOS | 18.4 | **16** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Damir Stuhec](https://appshunter.io/developer/1161505919) | [MS2S Group S.L.](https://appshunter.io/developer/1580052740) |

## What reviewers say

### Book Tracker

[App page](https://appshunter.io/ios/app/book-tracker-highlighted/id1480216009)

Capture, organize, and revisit key passages from your books with advanced text recognition. Create collections, add tags and notes, and easily export your highlights. Stop forgetting what you read and make your reading more impactful.

**Highlights:** Text recognition, Book collections, Tags and notes, Highlight export, Page number detection, Search functionality, Photo highlighting

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Highlighted Club Monthly | $2.99 | per month |
| plus weekly | $4.99 | per 7 days |
| plus yearly | $44.99 | per year |
| Small tip | $9.00 | one-time |
| Medium tip | $25.00 | one-time |
| Large tip | $49.00 | one-time |

**What reviewers like**

- 👍 Simple and easy to use
- 🚀 Accurate text recognition
- 💡 Useful for readers and students
- 🔖 Allows organizing highlights by book and tags
- 🔒 No ads or in-app purchases

**What reviewers complain about**

- 🐛 Issues with text ordering and formatting
- 🔍 Limited search and filtering options
- 📱 Needs offline support and sync capabilities
- 🖌️ Lack of formatting options for highlights

**Reported bugs**

- Occasional crashes or freezes
- Issues with recognizing text from curved pages
- Problems with losing previously saved highlights

**Requested features**

- Add ability to highlight and annotate PDFs
- Integrate with ebook readers like Kindle
- Implement cloud sync and backup
- Add more customization options for highlights
- Improve search and filtering functionality


### Octaedro Digital

[App page](https://appshunter.io/ios/app/octaedro-digital/id1580052738)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Book Tracker free?

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

### Is Octaedro Digital free?

Octaedro Digital is free to download, with no in-app purchases.

### Do Book Tracker or Octaedro Digital have ads?

Neither Book Tracker nor Octaedro Digital shows ads.

### Which is updated more often, Book Tracker or Octaedro Digital?

Book Tracker ships an update every 5 weeks, and Octaedro Digital every 3 weeks. Most recently, Book Tracker was updated on November 3, 2026 and Octaedro Digital on October 27, 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.*