# Knowledgetraining vs VirtualTower

The clearest difference is update cadence: VirtualTower at every 5 days against Knowledgetraining's every 2 months. Knowledgetraining's advantage is iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Knowledgetraining ships an update every 2 months, VirtualTower every 5 days. The most recent releases landed on October 3, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Knowledgetraining | VirtualTower |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Monetization | — | Free |
| Size | 19 MB | 48 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Frank Tautges](https://appshunter.io/developer/1718994207) | [Dietrich Peters](https://appshunter.io/developer/1884619342) |

## What reviewers say

### Knowledgetraining

[App page](https://appshunter.io/ios/app/knowledgetraining/id6474093245)

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

**In-app purchases:** none


### VirtualTower

[App page](https://appshunter.io/ios/app/virtualtower-bzf-flugfunk/id6760473625)

This app offers realistic aviation radio communication training for aspiring pilots. It features AI-powered feedback on phraseology, simulated air traffic control interactions, and a variety of training scenarios to prepare users for their BZF-II exam.

**Highlights:** Realistic Push-to-Talk simulation, AI-powered ATC with real voice, 31 training scenarios, Customizable radio call generator, Exam mode with realistic pressure, Progress dashboard, Listen to real radio traffic

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

**In-app purchases:** none


## Frequently asked questions

### Is Knowledgetraining free?

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

### Is VirtualTower free?

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

### Do Knowledgetraining or VirtualTower have ads?

Neither Knowledgetraining nor VirtualTower shows ads.

### Which is updated more often, Knowledgetraining or VirtualTower?

Knowledgetraining ships an update every 2 months, and VirtualTower every 5 days. Most recently, Knowledgetraining was updated on October 3, 2026 and VirtualTower on October 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.*