Comparison

Dubbles vs ATC SkyDecode

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Dubbles

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
Read full description

Another flash card app? Dubbles aims to make flash cards more fun by providing gamified puzzles to try with your decks. As development continues, future updates will expand by providing more features. For now, enjoy: - creating your own decks - practicing your decks in a fun way - going at your own pace with different speed options for everyone Want to help make Dubbles even better? Shoot us an email at contact@dubbles.ca, we'd love to hear your ideas!

About

ATC SkyDecode

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
Read full description

SkyDecode brings two things together for student pilots, aviation English learners, and aviation enthusiasts: a way to get familiar with ATC communications, and a real-time view of what's flying around the world. What you get ATC dialogues with synchronized text - Each ATC dialogue is paired with a synchronized text view, so you can follow along visually while you listen. - A natural way to pick up phraseology, callsign formats, and the flow of typical exchanges — without having to decode every word by ear. Real-time global flight tracking - A live flight map powered by adsb.fi, with sub-5-second refresh. - Tap any aircraft on the map to see its callsign, altitude, ground speed, heading, and squawk code. - Watch global air traffic move in real time, anywhere in the world. Built for focused use - A clean, dark, radar-inspired interface that's easy on the eyes during extended sessions. SkyDecode is an independent app and is not affiliated with any air traffic control authority or live ATC monitoring service. Terms of Service: https://www.tapwater.life/terms-of-use Privacy Policy: https://www.tapwater.life/privacy-policy

Screenshots

Dubbles4 screens
ATC SkyDecode4 screens

Verdict

The call

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 (250 vs 1). On price, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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 250 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Dubbles ships an update every 15 months, ATC SkyDecode every 4 days. The most recent releases landed on June 7, 2026 and September 13, 2026 respectively.

Scorecard6 real differences · 4 level
Dubbles versus ATC SkyDecode: the parameters behind the verdict, then further details
ParameterDubblesATC SkyDecode
PriceFreeFree
Rating5.0 (1 ratings) — better4.5 (250 ratings)
Positive reviews—22.7% of reviews
Number of ratings1250 — better
Update frequencyEvery 15 monthsEvery 4 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPodiPhone, iPod
Requires iOS13.0 — better15.6
Further details — not scored
Size18 MB45 MB
Age rating4+17+
DeveloperMOHAMED ELSAYEDTap Water

Customer experience

Dubbles

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

ATC SkyDecode

All ratings250 ratings
Positive85.6%
Neutral4.8%
Negative9.6%
Written reviews22 reviews
Positive22.7%
Neutral0.0%
Negative77.3%

In-app purchases

None

Dubbles

No in-app purchases

7 purchases

ATC SkyDecode

Subscriptions6
  • SkyDecode Premium weekly$5.997 Days
  • SkyDecode Premium weekly 3dt3 Days trial$5.997 Days
  • SkyDecode Premium weekly first week7 Days trial$5.997 Days
Show 3 more
  • SkyDecode Premium monthly$19.991 Month
  • SkyDecode Premium yearly$49.991 Year
  • SkyDecode Premium yearly 3dt3 Days trial$49.991 Year
One-time1
  • skydecode lifetime $79.99$79.99

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 250 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 June 7, 2026 and ATC SkyDecode on September 13, 2026.

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