Comparison

JavaScript Compiler vs Oplas Answer

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

Head to head
About

JavaScript Compiler

This app provides a mobile environment to compile and run JavaScript programs. It features a code editor with syntax highlighting, exercise questions, and pre-written DSA programs to aid learning. It's completely free and ad-free for all users.

Highlights
  • Compile and run JavaScript programs
  • Code editor with syntax highlighting
  • Exercise questions for skill improvement
  • Includes general DSA programs with code
  • Programming and computer science fun facts
Features
Read full description

JavaScript Compiler is an Advanced IDE enabling you to compile JavaScript Programs on your Mobile Phone for Free. It comes with a code editor with in-built syntax highlighting capabilities. JavaScript Compiler is - Free with no hidden charges! - Ad-Free! - Available for all platforms! Features : 1. Compile & Run - Compile & Run JavaScript Programs 2. Code Editing & Syntax Highlighting - Enables you to edit code and automatically detects and highlights syntax 3. Exercise Questions - Exercise questions to help you improve your knowledge 4. Programs with Code - All the general DSA programs with code 5. Fun Facts - Some fun facts about programming and computer science This app is brought to you by the company OnePercent, based in Bangalore, India. Website: www.OnePercent.club LinkedIn: www.Linkedin.Com/Company/Onepercent-Club/

About

Oplas Answer

Features
Read full description

Oplas answer is a platform where students can see the questions and answers of that question, he/she can search the question as well as there are questions listing according to subjects and subjects level moreover student can get the subscription plan for download the PDF of notes and question paper Payment will be charged to iTunes Account at confirmation of purchase. Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal. Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase. No cancellation of the current subscription is allowed during active subscription period. Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable

Screenshots

JavaScript Compiler4 screens
Oplas Answer2 screens

Verdict

The call

The clearest difference is in-app purchases: JavaScript Compiler at none against Oplas Answer's 4. JavaScript Compiler also leads on update cadence (every 4 months vs every 10 months). On price, ads, 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. Oplas Answer sells 4 in-app purchases, starting at $8.99 per 7 days. JavaScript Compiler asks for nothing beyond the download.

UpkeepUpdate frequency

JavaScript Compiler ships an update every 4 months, Oplas Answer every 10 months. The most recent releases landed on October 20, 2026 and October 27, 2026 respectively.

Scorecard2 real differences · 8 level
JavaScript Compiler versus Oplas Answer: the parameters behind the verdict, then further details
ParameterJavaScript CompilerOplas Answer
PriceFreeFree
Rating2.7 (3 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings3 — better—
Update frequencyEvery 4 months — betterEvery 10 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS12.012.0
Further details — not scored
Size28 MB28 MB
Age rating4+4+
DeveloperOnePercentMaryam Hamoud

In-app purchases

None

JavaScript Compiler

No in-app purchases

4 purchases

Oplas Answer

Subscriptions4
  • ONE WEEK PASS$8.997 Days
  • ONE MONTH PASS$19.991 Month
  • MIKUMI(FOR ONE MONTH)$39.991 Month
Show 1 more
  • KILIMANJARO(FOR ONE MONTH)$59.991 Month

Questions

Is JavaScript Compiler free?
JavaScript Compiler is free to download, with no in-app purchases.
Is Oplas Answer free?
Oplas Answer is free to download, with in-app purchases available.
Do JavaScript Compiler or Oplas Answer have ads?
Neither JavaScript Compiler nor Oplas Answer shows ads.
Which is updated more often, JavaScript Compiler or Oplas Answer?
JavaScript Compiler ships an update every 4 months, and Oplas Answer every 10 months. Most recently, JavaScript Compiler was updated on October 20, 2026 and Oplas Answer on October 27, 2026.

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