# BZF vs BZF Theorie Coach

The clearest difference is in-app purchases: BZF Theorie Coach at none against BZF's 1. BZF's advantage is update cadence (every 2 weeks vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. BZF sells 1 one-off in-app purchase. BZF Theorie Coach asks for nothing beyond the download.

BZF ships an update every 2 weeks, BZF Theorie Coach monthly. The most recent releases landed on November 8, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | BZF | BZF Theorie Coach |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Monthly |
| Size | 34 MB | 23 MB |
| Requires iOS | 13.4 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Telmo Dias](https://appshunter.io/developer/524383293) | [Justin Duchow](https://appshunter.io/developer/1841219654) |

## What reviewers say

### BZF

[App page](https://appshunter.io/ios/app/bzf/id6478834646)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade to Full Version | $17.99 | one-time |


### BZF Theorie Coach

[App page](https://appshunter.io/ios/app/bzf-theorie-coach/id6752828035)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is BZF free?

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

### Is BZF Theorie Coach free?

BZF Theorie Coach is free to download, with no in-app purchases.

### Do BZF or BZF Theorie Coach have ads?

Neither BZF nor BZF Theorie Coach shows ads.

### Which is updated more often, BZF or BZF Theorie Coach?

BZF ships an update every 2 weeks, and BZF Theorie Coach monthly. Most recently, BZF was updated on November 8, 2026 and BZF Theorie Coach on October 28, 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.*