# eBook Library 2 vs BZF

The clearest difference is review sentiment: BZF at 80% against eBook Library 2's 0%. BZF also leads on rating (5.0 vs 1.0). eBook Library 2's advantage is in-app purchases (none vs 5) and update cadence (every 6 weeks vs every 12 months). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. BZF sells 5 in-app purchases, starting at $3.99 per month. eBook Library 2 asks for nothing beyond the download.

BZF holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews point the same way: 0% of eBook Library 2's written reviews are positive against 80% of BZF's.

eBook Library 2 ships an update every 6 weeks, BZF every 12 months. Both last shipped on October 19, 2026.

## The numbers

| Metric | eBook Library 2 | BZF |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/ebook-library-2/id1456516427/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/bzf-flugfunkprufung/id1538334549/reviews)** |
| Number of ratings | 1 | 1 |
| Positive reviews | 0.0% of reviews | **80.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 12 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 46 MB | 51 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Espresso Tutorials GmbH](https://appshunter.io/developer/1202653004) | [TuesdayCoding GmbH](https://appshunter.io/developer/1644378329) |

## What reviewers say

### eBook Library 2

[App page](https://appshunter.io/ios/app/ebook-library-2/id1456516427)

Access a vast collection of German and English SAP books and video tutorials. Download content for offline reading and utilize powerful search and annotation tools to enhance your learning experience.

**Highlights:** Access 500+ SAP books and videos, Offline reading capability, Quick search functionality, Personalized eReader, Notes and highlights, Bookmark functionality, Mark completed content

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

**In-app purchases:** none


### BZF

[App page](https://appshunter.io/ios/app/bzf-flugfunkprufung/id1538334549)

Prepare for your BZF radio telephony license exam with this comprehensive study tool. Access official exam questions, explanations, and practice tests. Study offline and track your progress with a smart learning system.

**Highlights:** Official exam questions and answers, Explanations for every question, Offline usability, Practice exam simulations, Progress tracking with traffic light system, Multiple-choice format

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Monat - Alle Funktionen | $3.99 | per month |
| 1 Jahr - Alle Funktionen | $7.99 | per year |
| Unlock all questions | $5.99 | one-time |
| Unlock all exams | $5.99 | one-time |
| Lifetime subscription | $12.99 | one-time |


## Frequently asked questions

### Is eBook Library 2 free?

eBook Library 2 is free to download, with no in-app purchases.

### Is BZF free?

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

### Which has better reviews, eBook Library 2 or BZF?

BZF is rated higher. eBook Library 2 averages 1.0 out of 5 from 1 ratings, while BZF averages 5.0 from 1 ratings.

### Do eBook Library 2 or BZF have ads?

Neither eBook Library 2 nor BZF shows ads.

### Which is updated more often, eBook Library 2 or BZF?

eBook Library 2 ships an update every 6 weeks, and BZF every 12 months. Most recently, eBook Library 2 was updated on October 19, 2026 and BZF on October 19, 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.*