# VC System vs ATC SkyDecode

The clearest difference is in-app purchases: VC System at none against ATC SkyDecode's 7. VC System also leads on iOS requirement (12.0 vs 15.6). ATC SkyDecode's advantage is device support. On price there is nothing between them.

Both are free to download. ATC SkyDecode sells 7 in-app purchases, starting at $5.99 per 7 days. VC System asks for nothing beyond the download.

## The numbers

| Metric | VC System | ATC SkyDecode |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (263 ratings)](https://appshunter.io/ios/app/atc-skydecode-air-traffic/id6760329720/reviews)** |
| Number of ratings | — | **263** |
| Positive reviews | — | 22.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | — | No |
| Update frequency | — | Every 4 days |
| Monetization | — | Free with in-app purchases |
| Size | 121 MB | 45 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | — | **iPhone, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [清贤 高](https://appshunter.io/developer/1192185896) | [Tap Water](https://appshunter.io/developer/1879967896) |

## What reviewers say

### VC System

[App page](https://appshunter.io/ios/app/vc-system/id6502940306)

**In-app purchases:** none


### ATC SkyDecode

[App page](https://appshunter.io/ios/app/atc-skydecode-air-traffic/id6760329720)

Learn air traffic control communications with synchronized text and audio dialogues. Track global flights in real-time on a live map, viewing aircraft details. Designed for aviation enthusiasts and learners with a focused, dark interface.

**Highlights:** Synchronized ATC dialogues with text, Real-time global flight map, Aircraft details on tap, Clean, dark interface, Aviation phraseology learning

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SkyDecode Premium weekly | $5.99 | per 7 days |
| SkyDecode Premium weekly 3dt | $5.99 | per 7 days |
| SkyDecode Premium weekly first week | $5.99 | per 7 days |
| SkyDecode Premium monthly | $19.99 | per month |
| SkyDecode Premium yearly | $49.99 | per year |
| SkyDecode Premium yearly 3dt | $49.99 | per year |
| skydecode lifetime $79.99 | $79.99 | one-time |


## Frequently asked questions

### Is VC System free?

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

### Is ATC SkyDecode free?

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

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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.*