# Book Tracker vs BlitzWissen

The clearest difference is in-app purchases: Book Tracker at none against BlitzWissen's 10. BlitzWissen's advantage is update cadence (every 4 days vs monthly). On price, review sentiment, ads and device support there is nothing between them.

Both are free to download. BlitzWissen sells 10 one-off in-app purchases. Book Tracker asks for nothing beyond the download.

Book Tracker ships an update monthly, BlitzWissen every 4 days. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Book Tracker | BlitzWissen |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 4 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 61 MB | 44 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Peter Esser](https://appshunter.io/developer/1658328818) | [BlitzWissen](https://appshunter.io/developer/1811410598) |

## What reviewers say

### Book Tracker

[App page](https://appshunter.io/ios/app/book-tracker-yourshelf/id1658328816)

This app helps you discover your next favorite book through a playful swipe-based discovery mode. Organize your reading list, track your progress, and connect with a community of readers to share reviews and discussions.

**Highlights:** Swipe-based book discovery, Personal reading library organization, Barcode scanner for easy book addition, Track current, to-read, and read books, Set and track yearly reading goals, Community feed and book reviews, Comment and discuss with friends

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

**In-app purchases:** none


### BlitzWissen

[App page](https://appshunter.io/ios/app/blitzwissen/id6745228437)

Access concise summaries of influential books in under 25 minutes, covering politics, history, and science. Enjoy audio versions for on-the-go learning and explore full audiobooks. Download content for offline listening and adjust playback speed.

**Highlights:** Book summaries under 25 minutes, Audio versions for on-the-go, Full audiobook library, Offline download functionality, Adjustable playback speed, Monthly cancellable subscription

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Der Fall Wagner | $1.99 | one-time |
| Der Fall Wagner | $3.90 | one-time |
| Aristokratie. Eine Streitschrift | $3.95 | one-time |
| Jenseits von Gut und Böse | $3.95 | one-time |
| Aristokratie. Eine Streitschrift | $8.90 | one-time |
| Jenseits von Gut und Böse | $8.90 | one-time |
| Geschenkkarte 1 Monat | $9.90 | one-time |
| Geschenkkarte 3 Monate | $24.90 | one-time |
| Geschenkkarte 6 Monate | $49.90 | one-time |
| Geschenkkarte 12 Monate | $99.99 | one-time |


## Frequently asked questions

### Is Book Tracker free?

Book Tracker is free to download, with no in-app purchases.

### Is BlitzWissen free?

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

### Do Book Tracker or BlitzWissen have ads?

Neither Book Tracker nor BlitzWissen shows ads.

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

Book Tracker ships an update monthly, and BlitzWissen every 4 days. Most recently, Book Tracker was updated on October 24, 2026 and BlitzWissen on October 30, 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.*