# ATC Readback Trainer vs Graviton 3D

The clearest difference is in-app purchases: ATC Readback Trainer at none against Graviton 3D's 2. ATC Readback Trainer also leads on ads (none vs shown). Graviton 3D's advantage is update cadence (daily vs every 6 days) and iOS requirement (16 vs 18.5). On price and device support there is nothing between them.

Both are free to download. Graviton 3D sells 2 one-off in-app purchases. ATC Readback Trainer asks for nothing beyond the download.

ATC Readback Trainer ships an update every 6 days, Graviton 3D daily. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | ATC Readback Trainer | Graviton 3D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (6 ratings)](https://appshunter.io/ios/app/atc-readback-trainer/id6756803879/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 days | **Daily** |
| Monetization | Free | — |
| Size | 62 MB | 73 MB |
| Requires iOS | 18.5 | **16** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Anders Laederich](https://appshunter.io/developer/1821802211) | [Nir Tsook](https://appshunter.io/developer/599411476) |

## What reviewers say

### ATC Readback Trainer

[App page](https://appshunter.io/ios/app/atc-readback-trainer/id6756803879)

Master air traffic control radio communications with realistic audio practice. Features two training modes, comprehensive scenarios across 8 categories, and progress tracking with difficulty levels. Ideal for pilots and aviation enthusiasts.

**Highlights:** Realistic ATC audio with radio effects, Study Mode with text and audio, Real ATC Mode for audio-only practice, 8 comprehensive ATC scenario categories, Progress tracking with detailed statistics, Three difficulty levels

**In-app purchases:** none


### Graviton 3D

[App page](https://appshunter.io/ios/app/graviton-3d/id6759337974)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Levels 5-6 | $1.99 | one-time |
| Remove ads | $1.99 | one-time |


## Frequently asked questions

### Is ATC Readback Trainer free?

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

### Is Graviton 3D free?

Graviton 3D is free to download, with in-app purchases available.

### Do ATC Readback Trainer or Graviton 3D have ads?

Graviton 3D shows ads; ATC Readback Trainer does not.

### Which is updated more often, ATC Readback Trainer or Graviton 3D?

ATC Readback Trainer ships an update every 6 days, and Graviton 3D daily. Most recently, ATC Readback Trainer was updated on October 24, 2026 and Graviton 3D on October 25, 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.*