Comparison

devdex vs JS Master

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

JS Master

Read full description

JS Master is an interactive JavaScript learning app designed for both beginners and experienced programmers. Dive into the world of JavaScript through step-by-step lessons, practical exercises, and instant feedback. Key features: Structured lessons from basics to advanced topics Interactive code editor with syntax highlighting Instant code execution and validation Practical assignments to reinforce knowledge Learning progress tracking Offline functionality - learn anywhere, anytime Start your JavaScript journey now and become a web development master!

Screenshots

devdex3 screens
JS Master4 screens

Verdict

The call

The clearest difference is in-app purchases: JS Master at none against devdex's 2. JS Master also leads on device support (4 vs 2) and iOS requirement (12.0 vs 15.1). On price and ads 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. JS Master asks for nothing beyond the download.

Scorecard3 real differences · 6 level
devdex versus JS Master: the parameters behind the verdict, then further details
ParameterdevdexJS Master
PriceFreeFree
Rating5.0 (1 ratings) — better
Number of ratings1 — better
Update frequencyEvery 3 weeks
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad, iPod, Mac — better
Requires iOS15.112.0 — better
Further details — not scored
Size41 MB33 MB
Age rating4+4+
DeveloperTrevor PenningtonTaalaybek Aslanbek uulu

In-app purchases

2 purchases

devdex

Subscriptions2
  • Devdex Monthly$4.991 Month
  • Devdex - Yearly$34.991 Year
None

JS Master

No in-app purchases

Questions

Is devdex free?
devdex is free to download, with in-app purchases available.
Is JS Master free?
JS Master is free to download, with no in-app purchases.
Do devdex or JS Master have ads?
Neither devdex nor JS Master shows ads.

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