# DDTS Fault Code vs ATC SkyDecode

The clearest difference is in-app purchases: DDTS Fault Code at none against ATC SkyDecode's 7. DDTS Fault Code also leads on iOS requirement (13.0 vs 15.6). On price, ads and device support there is nothing between them.

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

## The numbers

| Metric | DDTS Fault Code | ATC SkyDecode |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (250 ratings)](https://appshunter.io/ios/app/atc-skydecode-air-traffic/id6760329720/reviews)** |
| Number of ratings | — | **250** |
| Positive reviews | — | 22.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 4 days |
| Monetization | — | Free with in-app purchases |
| Size | 28 MB | 45 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Rodney Alacon](https://appshunter.io/developer/1605523792) | [Tap Water](https://appshunter.io/developer/1879967896) |

## What reviewers say

### DDTS Fault Code

[App page](https://appshunter.io/ios/app/ddts-fault-code/id6752034771)

**Features:** macOS Compatibility

**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 DDTS Fault Code free?

DDTS Fault Code is free to download, with no in-app purchases.

### Is ATC SkyDecode free?

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

### Do DDTS Fault Code or ATC SkyDecode have ads?

Neither DDTS Fault Code nor ATC SkyDecode shows ads.

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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.*