Comparison

Tester vs JavaScript Coding Editor & IDE

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

Head to head
About

Tester

This app empowers developers to manage API requests and code tasks on the go. It supports various protocols, offers a powerful GraphQL editor, and includes tools for WebSocket testing and request management. Integrations with Shortcuts and Widgets enhance its utility.

Highlights
  • Handles REST, GraphQL, WebSocket, SOAP, and other API protocols
  • Powerful GraphQL editor with query, mutation, and subscription support
  • WebSocket testing tool for WS and WSS connections
  • API calls with various data encoding and transfer types
  • Import requests from curl, links, or files (Swagger, OpenAPI, Postman)
  • Apple Watch app for sending API requests from your wrist
  • Integrations with Shortcuts and Widgets
Features
Read full description

The first mobile app to handle any developer task on the go. Main features: - REST, GraphQL, WebSocket, SOAP, JSON RPC, XML, HTTP, HTTPS, etc. - All types of HTTP requests: GET, POST, PUT, PATCH, DELETE, HEAD, OPTIONS, COPY, LINK, UNLINK, PURGE, LOCK, UNLOCK, PROPFIND, VIEW. - Powerful GraphQL editor with full-scale experience: body editor with Queries, Mutations, Subscriptions and syntax support; variables editor; documentation explorer; request settings and metadata. - WebSocket testing tool. Handles connection and message exchange via WS or WSS. - API calls with any kind of request data encoding and transfer type (query params, URLEncoded params, FormData, raw data, send files from device storage, cloud, remote server). - Settings. TLS can be skipped, redirects can be disabled, timeouts are adjustable. Weak SSL verification can be enabled and replaced with self-signed certificate. - Import request or collection by curl, link or file from your device. And naturally, there is any type of collection for you: Swagger, OpenAPI, Postman, YAML. - Need to share request in seconds? Deep link and cURL command supported. - Apple Watch app. Allows to send API requests directly from your wrist. - Integrations: Shortcuts, Widgets. Additional little things: - Autocomplete for most common headers keys. - Syntax highlighting; Auto formatting. - Optimized for viewing on any device screen. - Cookies. Collect, edit, create. - Request metrics. Measure request duration, response size, status code changing. - History of all request calls. - Request authorisation. Basic Auth with password and username. OAuth with header or query access token. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://tester.io/privacy-policy

About

JavaScript Coding Editor & IDE

This powerful mobile IDE allows you to write, run, and debug JavaScript and TypeScript code offline. It features a built-in compiler, console, and web view for building web apps, along with an AI assistant for code analysis and refactoring.

Highlights
  • Offline JavaScript and TypeScript execution
  • Built-in compiler and DOM WebView
  • Node.js runtime for multiple JS files
  • AI Assistant for code analysis and refactoring
  • Integrated debugger and console
  • MDN and official TypeScript handbook tutorials
Features
Read full description

Run JavaScript and TypeScript on Node.js anywhere—100% Offline. The most powerful mobile IDE for JS and TS.  Features a built-in compiler, console, and DOM WebView. No server, no internet, no limits. Whether you are a professional developer, a student, or a hobbyist, JavaScript CodePad will help you practice and improve your coding skills anytime, anywhere. Built in tsc compiler transpiles your TypeScript code to JavaScript offline. Use the WebView mode to access the built-in Web Browser Window and DOM interface. Combine HTML, CSS, and JavaScript and learn building Web apps. Organise your code into modules and run multiple JS files using Node.js as a runtime (Internet connection required). You can run, execute, and evaluate JS code and programs from this app. Install npm packages. Debug your code with built in debugger. Lightweight app with full JavaScript syntax highlighting, code completion and editor actions like undo, redo, comment lines, and indent selection to enhance your developer productivity. Enhanced productivity with live JS and TS code analysis as you type. Catch errors before you run the code. Built-in AI Assistant, whenever you get an error in your code, AI can suggest how to resolve it. AI Assistant can also refactor your code, clean it up, check it for bugs, write comments and documentation strings or just explain it. Blazing fast, all single script and Web View code is ran directly on the embedded node.js runtime or built in Web browser. Enhance your programming and JavaScript skills by solving built-in coding problems. Learn JavaScript with the MDN tutorial. Become a JavaScript coding master. Learn TypeScript with the official TypeScript handbook. Test your JavaScript and TypeScript knowledge, the app will tell you if you are writing valid JavaScript. With JavaScript CodePad, you can: - Write and execute JavaScript code with syntax highlighting and auto-indentation. - Run and compile TypeScript code and scripts - Test and debug your code with the built-in console and error messages. - Share and load your code snippets for later use - Customised keyboard with special keys and shortcuts for JavaScript and TypeScript - Code completion - Code formatting - Code linting - Solve built-in coding challenges - Access JavaScript and TypeScript tutorial and library reference from the app - Learn new concepts and techniques - Write HTML, CSS and JS code and run it in a built-in WebView - Run multiple JS files Download it today and unleash your creativity with the most popular programming language in the world. Note that certain features like Code completion, npm packages, WebView mode and project mode require paid Developer upgrade.

Screenshots

Tester4 screens
JavaScript Coding Editor & IDE4 screens

Verdict

The call

The clearest difference is review sentiment: Tester at 90% against JavaScript Coding Editor & IDE's 41%. Tester also leads on ads (none vs shown) and update cadence (every 2 days vs every 3 weeks). JavaScript Coding Editor & IDE's advantage is iOS requirement (15.0 vs 18.7). On price, in-app purchases, monetization model 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. Tester sells 8 in-app purchases, starting at $0.99 per 7 days and JavaScript Coding Editor & IDE sells 8 in-app purchases, starting at $11.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Tester holds the better App Store score, 4.7 against 4.3. That said, the two scores are not equally well evidenced: Tester has 605 ratings behind it against 105, so its average is the more settled of the two. Written reviews point the same way: 90% of Tester's written reviews are positive against 41% of JavaScript Coding Editor & IDE's.

UpkeepUpdate frequency

Tester ships an update every 2 days, JavaScript Coding Editor & IDE every 3 weeks. The most recent releases landed on November 14, 2026 and November 12, 2026 respectively.

Scorecard6 real differences · 4 level
Tester versus JavaScript Coding Editor & IDE: the parameters behind the verdict, then further details
ParameterTesterJavaScript Coding Editor & IDE
PriceFreeFree
Rating4.7 (605 ratings) — better4.3 (105 ratings)
Positive reviews89.9% of reviews — better40.7% of reviews
Number of ratings605 — better105
Update frequencyEvery 2 days — betterEvery 3 weeks
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, Apple WatchiPhone, iPad, iPod
Requires iOS18.715.0 — better
Further details — not scored
Size77 MB195 MB
Age rating4+4+
DeveloperFJEDICloudbit d.o.o.

Customer experience

Tester

All ratings601 ratings
Positive91.8%
Neutral3.2%
Negative5.0%
Written reviews327 reviews
Positive89.9%
Neutral4.0%
Negative6.1%

JavaScript Coding Editor & IDE

All ratings104 ratings
Positive80.8%
Neutral4.8%
Negative14.4%
Written reviews27 reviews
Positive40.7%
Neutral7.4%
Negative51.9%

Bugs and requests

Tester

Reported bugs

3 issues
  • Deleting all saved requests after updates
  • App launching to a black screen
  • Shortcuts integration not working as expected

Requested features

5 requests
  • Add support for environment variables
  • Implement folders/collections management
  • Allow exporting/importing data as JSON
  • Provide more Shortcuts actions
  • Add ability to change app icon

JavaScript Coding Editor & IDE

Not enough reviews yet to summarise bugs or requests.

In-app purchases

8 purchases

Tester

Subscriptions7
  • Tester Go Weekly$0.997 Days
  • Tester Go Monthly$4.991 Month
  • Tester Plus Monthly$7.991 Month
Show 4 more
  • Tester Pro Monthly$19.991 Month
  • Tester Go Yearly$35.991 Year
  • Tester Plus Yearly$79.991 Year
  • Tester Pro Yearly$200.001 Year
One-time1
  • Tester Plus Lifetime$89.99
8 purchases

JavaScript Coding Editor & IDE

Subscriptions4
  • Developer Upgrade Monthly$11.991 Month
  • Developer Upgrade Monthly1 Month trial$11.991 Month
  • Developer Upgrade Yearly7 Days trial$39.991 Year
Show 1 more
  • Developer Yearly Upgrade1 Month trial$39.991 Year
One-time4
  • Remove Ads$6.99
  • Developer Upgrade Offer$9.99
  • Developer Upgrade$19.99
Show 1 more
  • Developer Lite$39.99

Questions

Is Tester free?
Tester is free to download, with in-app purchases available.
Is JavaScript Coding Editor & IDE free?
JavaScript Coding Editor & IDE is free to download, with in-app purchases available.
Which has better reviews, Tester or JavaScript Coding Editor & IDE?
Tester is rated higher. Tester averages 4.7 out of 5 from 605 ratings, while JavaScript Coding Editor & IDE averages 4.3 from 105 ratings.
Do Tester or JavaScript Coding Editor & IDE have ads?
JavaScript Coding Editor & IDE shows ads; Tester does not.
Which is updated more often, Tester or JavaScript Coding Editor & IDE?
Tester ships an update every 2 days, and JavaScript Coding Editor & IDE every 3 weeks. Most recently, Tester was updated on November 14, 2026 and JavaScript Coding Editor & IDE on November 12, 2026.

Other comparisons