# Knowledgetraining vs Readback

The clearest difference is iOS requirement: Knowledgetraining at 13.0 against Readback's 15.0. On price, update cadence, ads and in-app purchases 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, Readback monthly. Both last shipped on October 30, 2026.

## The numbers

| Metric | Knowledgetraining | Readback |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/readback/id6751527692/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | — | Free |
| Size | 19 MB | 51 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) | [Dinnova AG](https://appshunter.io/developer/1557907125) |

## What reviewers say

### Knowledgetraining

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

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

**In-app purchases:** none


### Readback

[App page](https://appshunter.io/ios/app/readback/id6751527692)

Master aviation radio communication with AI-powered feedback and realistic simulations. Practice ATC interactions for any flight phase, from routine operations to emergencies. Track your progress and build confidence before you fly.

**Highlights:** AI-powered feedback on pronunciation and clarity, Real-time ATC simulations, Phraseology error detection and correction, Progress tracking and performance dashboards, Hundreds of scenarios for all flight phases, Offline mode for flexible practice

**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 Readback free?

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

### Do Knowledgetraining or Readback have ads?

Neither Knowledgetraining nor Readback shows ads.

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

Knowledgetraining ships an update every 2 months, and Readback monthly. Most recently, Knowledgetraining was updated on October 30, 2026 and Readback 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.*