# Hörakustik vs Book Tracker

The clearest difference is update cadence: Book Tracker at every 5 days against Hörakustik's every 16 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Hörakustik sells 10 one-off in-app purchases and Book Tracker sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Hörakustik ships an update every 16 months, Book Tracker every 5 days. The most recent releases landed on September 18, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Hörakustik | Book Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/book-tracker-bookstack/id6756306175/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 16 months | **Every 5 days** |
| Monetization | — | Freemium |
| Size | 188 MB | 87 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Median-Verlag von Killisch-Horn GmbH](https://appshunter.io/developer/1455852109) | [Jozef Grec](https://appshunter.io/developer/1859977615) |

## What reviewers say

### Hörakustik

[App page](https://appshunter.io/ios/app/horakustik/id1455852110)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cochlea-Implantate Extra | $13.99 | one-time |
| Kinderversorgung Extra | $13.99 | one-time |
| Hörtraining Extra | $16.99 | one-time |
| Zubehör Extra | $16.99 | one-time |
| PERZENTIL-Special | $17.99 | one-time |
| ZUBEHÖR-Special | $20.99 | one-time |
| CIC-Special | $21.99 | one-time |
| OTOPLASTIK-Special | $22.99 | one-time |
| TINNITUS-Special | $22.99 | one-time |
| Ladenbau Extra | $27.99 | one-time |


### 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 Hörakustik free?

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

### Is Book Tracker free?

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

### Do Hörakustik or Book Tracker have ads?

Neither Hörakustik nor Book Tracker shows ads.

### Which is updated more often, Hörakustik or Book Tracker?

Hörakustik ships an update every 16 months, and Book Tracker every 5 days. Most recently, Hörakustik was updated on September 18, 2026 and Book Tracker on September 21, 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.*