Comparison

Learn Javascript Language vs devdex

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

Head to head
About

Learn Javascript Language

Features
Read full description

This app is a great resource to learn about Javascript Programming Language. The app is engineered to make users perfect understanding common Javascript Programming Language questions by studying for a very short amount of time. Audio functionality and bookmarking is available throughout the app on chapter, section, study mode and quiz modes. The app will help you learn the correct pronunciation of terminologies used in Javascript Programming Language using English language. Following are the main features of this app 1. Supports pronouncing Javascript Programming Language terminologies in English Language 2. Uses Text to Speech Engine for Audio Functionality 3. Quizzes 4. Study Mode 5. Bookmarking Study Flashcards and Quiz Questions 6. Progress Indicators for Every Chapter 7. Visualization for Overall Progress

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
Features
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/

Screenshots

Learn Javascript Language4 screens
devdex3 screens

Verdict

The call

The clearest difference is rating: devdex at 5.0 against Learn Javascript Language's 1.0. devdex also leads on update cadence (every 3 weeks vs every 16 months). On price, ratings volume, ads and in-app purchases 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. Learn Javascript Language sells 1 one-off in-app purchase and devdex sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

devdex holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

UpkeepUpdate frequency

Learn Javascript Language ships an update every 16 months, devdex every 3 weeks. Both last shipped on October 24, 2026.

Scorecard2 real differences · 7 level
Learn Javascript Language versus devdex: the parameters behind the verdict, then further details
ParameterLearn Javascript Languagedevdex
PriceFreeFree
Rating1.0 (1 ratings)5.0 (1 ratings) — better
Number of ratings11
Update frequencyEvery 16 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesYesYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.115.1
Further details — not scored
Size28 MB41 MB
Age rating4+4+
DeveloperGhumman Tech LLCTrevor Pennington

In-app purchases

1 purchases

Learn Javascript Language

One-time1
  • Remove Ads$9.99
2 purchases

devdex

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

Questions

Is Learn Javascript Language free?
Learn Javascript Language is free to download, with in-app purchases available.
Is devdex free?
devdex is free to download, with in-app purchases available.
Which has better reviews, Learn Javascript Language or devdex?
devdex is rated higher. Learn Javascript Language averages 1.0 out of 5 from 1 ratings, while devdex averages 5.0 from 1 ratings.
Do Learn Javascript Language or devdex have ads?
Neither Learn Javascript Language nor devdex shows ads.
Which is updated more often, Learn Javascript Language or devdex?
Learn Javascript Language ships an update every 16 months, and devdex every 3 weeks. Most recently, Learn Javascript Language was updated on October 24, 2026 and devdex on October 24, 2026.

Other comparisons