Comparison

devdex vs SwipeJS

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

Head to head
About

devdex

This app helps developers practice coding syntax for JavaScript, TypeScript, and Swift. It offers over 200 questions, tracks your progress with a weekly streak, and provides statistics on accuracy and quantity. Links to official language documentation are also included.

Highlights
  • JavaScript, TypeScript, Swift support
  • Over 200 practice questions
  • Weekly streak tracker
  • Accuracy and quantity statistics
  • Links to language documentation
Read full description

v1.0 Features: - JavaScript, TypeScript, Swift - Over 200 questions - Weekly streak tracker - Accuracy and quantity stats - Links to language docs LICENSED APPLICATION END USER LICENSE AGREEMENT: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

SwipeJS

Features
Read full description

Want to improve your JavaScript skills while solving tricky coding puzzles? SwipeJS offers an interactive way to learn JavaScript by answering thought-provoking quiz questions. Whether you’re studying, sharpening your problem-solving skills, or preparing for job interviews, this app has you covered. How It Works?  • Read a coding challenge on a flashcard and choose the correct console.log output.  • Instantly see explanations to understand the logic behind the code.  • Swipe through questions to learn in a dynamic, interactive way.  • Practice JavaScript concepts at different difficulty levels. Who Is It For?  • Students and beginners looking to deepen their JavaScript understanding.  • Frontend developers preparing for coding interviews.  • Experienced programmers testing their skills with advanced JavaScript tricks. SwipeJS covers essential topics like the Event Loop, closures, hoisting, this, Promises, async/await, type coercion, and more. Learn JavaScript the smart way—swipe, solve, and master JS. Download SwipeJS and start your journey today!

Screenshots

devdex3 screens
SwipeJS4 screens

Verdict

The call

The clearest difference is ads: devdex at none against SwipeJS's shown. SwipeJS's advantage is update cadence (every 3 days vs every 3 weeks). On price, in-app purchases, device support and iOS requirement 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. devdex sells 2 in-app purchases, starting at $4.99 per month and SwipeJS sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

devdex ships an update every 3 weeks, SwipeJS every 3 days. The most recent releases landed on September 19, 2026 and September 20, 2026 respectively.

Scorecard2 real differences · 7 level
devdex versus SwipeJS: the parameters behind the verdict, then further details
ParameterdevdexSwipeJS
PriceFreeFree
Rating5.0 (1 ratings) — better
Number of ratings1 — better
Update frequencyEvery 3 weeksEvery 3 days — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.115.1
Further details — not scored
Size41 MB26 MB
Age rating4+4+
DeveloperTrevor PenningtonGRIGORI UKRAINSKI

In-app purchases

2 purchases

devdex

Subscriptions2
  • Devdex Monthly$4.991 Month
  • Devdex - Yearly$34.991 Year
1 purchases

SwipeJS

One-time1
  • React.js cards$3.99

Questions

Is devdex free?
devdex is free to download, with in-app purchases available.
Is SwipeJS free?
SwipeJS is free to download, with in-app purchases available.
Do devdex or SwipeJS have ads?
SwipeJS shows ads; devdex does not.
Which is updated more often, devdex or SwipeJS?
devdex ships an update every 3 weeks, and SwipeJS every 3 days. Most recently, devdex was updated on September 19, 2026 and SwipeJS on September 20, 2026.

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