# CAT eLearning vs BZF

The clearest difference is in-app purchases: CAT eLearning at none against BZF's 5. CAT eLearning also leads on update cadence (every 5 weeks vs every 12 months) and iOS requirement (12.0 vs 14.0). On price, 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. CAT eLearning asks for nothing beyond the download.

CAT eLearning ships an update every 5 weeks, BZF every 12 months. The most recent releases landed on September 11, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | CAT eLearning | BZF |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/bzf-flugfunkprufung/id1538334549/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 80.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 12 months |
| Monetization | — | Free with in-app purchases |
| Size | 75 MB | 51 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CAT Civil Aviation Training](https://appshunter.io/developer/448922103) | [TuesdayCoding GmbH](https://appshunter.io/developer/1644378329) |

## What reviewers say

### CAT eLearning

[App page](https://appshunter.io/ios/app/cat-elearning/id1476987688)

**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 CAT eLearning free?

CAT eLearning is free to download, with no in-app purchases.

### Is BZF free?

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

### Do CAT eLearning or BZF have ads?

Neither CAT eLearning nor BZF shows ads.

### Which is updated more often, CAT eLearning or BZF?

CAT eLearning ships an update every 5 weeks, and BZF every 12 months. Most recently, CAT eLearning was updated on September 11, 2026 and BZF on September 15, 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.*