# Dubbles vs ATC SkyDecode

The clearest difference is rating: Dubbles at 5.0 against ATC SkyDecode's 4.5. Dubbles also leads on in-app purchases (none vs 7) and iOS requirement (13.0 vs 15.6). ATC SkyDecode's advantage is update cadence (every 4 days vs every 15 months) and ratings volume (263 vs 1). 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. Dubbles asks for nothing beyond the download.

Dubbles holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: ATC SkyDecode has 263 ratings behind it against 1, so its average is the more settled of the two.

Dubbles ships an update every 15 months, ATC SkyDecode every 4 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | Dubbles | ATC SkyDecode |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/dubbles/id6736606848/reviews)** | [4.5 (263 ratings)](https://appshunter.io/ios/app/atc-skydecode-air-traffic/id6760329720/reviews) |
| Number of ratings | 1 | **263** |
| Positive reviews | — | 22.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 4 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 18 MB | 45 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [MOHAMED ELSAYED](https://appshunter.io/developer/1772624941) | [Tap Water](https://appshunter.io/developer/1879967896) |

## What reviewers say

### Dubbles

[App page](https://appshunter.io/ios/app/dubbles/id6736606848)

This app transforms traditional flashcards into engaging, gamified puzzles. Create your own study decks and practice them at your own pace with adjustable speed options. Future updates promise even more features to enhance the learning experience.

**Highlights:** Gamified puzzle interface, Custom deck creation, Flexible practice modes, Adjustable speed options, User-suggested feature development

**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 Dubbles free?

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

### Is ATC SkyDecode free?

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

### Which has better reviews, Dubbles or ATC SkyDecode?

Dubbles is rated higher. Dubbles averages 5.0 out of 5 from 1 ratings, while ATC SkyDecode averages 4.5 from 263 ratings.

### Do Dubbles or ATC SkyDecode have ads?

Neither Dubbles nor ATC SkyDecode shows ads.

### Which is updated more often, Dubbles or ATC SkyDecode?

Dubbles ships an update every 15 months, and ATC SkyDecode every 4 days. Most recently, Dubbles was updated on October 24, 2026 and ATC SkyDecode on October 24, 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.*