JS King app icon

Apps Like JS King for iPhone and iPad

Code, debug, and compress JavaScript.

The app provides an all-in-one coding environment for writing, debugging, and compressing JavaScript code. It offers instant code execution, an integrated debugger, and a built-in code compressor for developers worldwide.

by Max Schlee★ 0.00 ratingsDeveloper Tools$2.99Data updated 2026-10-17

JS King screenshots

Ranked alternatives

Showing 1–20 of 1,000 ranked alternatives.

  1. Expo Go app icon

    Expo Go

    650 Industries, Inc.

    Build projects with JavaScript and React

    Build mobile projects using JavaScript and React. Run apps on an iOS device connected to a computer. Support interactive gestures and graphics. Requires basic programming knowledge. Uses React Native 0.81.1.

    ★ 4.87,731 ratingsDeveloper ToolsFreeData updated 2026-10-25
  2. Codable app icon

    Codable

    Jeremy Collins

    Debug web pages on your phone

    View web pages in resizable viewports to test mobile layouts. See pre-rendered source code and structured node lists for debugging. Adjust scale factors to simulate different device sizes.

    ★ 4.36 ratingsUtilitiesFreeData updated 2026-09-14
  3. Sololearn: Learn to Code app icon

    Sololearn: Learn to Code

    SoloLearn Inc.

    Programming languages on the go

    Programming through interactive lessons and hands-on practice in languages like Python, JavaScript, and Java. Complete coding challenges, track progress, and access a community for support and collaboration.

    ★ 4.881,741 ratingsEducationFreeData updated 2026-09-12
  1. Debug Anywhere app icon

    Debug Anywhere

    浩鑫 庄

    Inspect web pages and code

    Inspect web pages with built-in DevTools to view source code, static resources, API requests, cookies, and storage. Change User-Agent to test across devices and browsers. Inject custom JavaScript to modify pages or simulate environments.

    ★ 4.653 ratingsDeveloper ToolsFreeData updated 2026-09-06
  2. Userscripts app icon

    Userscripts

    Justin Wasack

    Run scripts on websites you visit

    Save and run custom JavaScript and CSS code on websites. Manipulate pages, block ads, inject styles, and automate tasks. No user tracking. Open source.

    ★ 4.3189 ratingsDeveloper ToolsFreeData updated 2026-10-25
  3. Kodable Basics app icon

    Kodable Basics

    SurfScore, Inc

    Learn to code with fun activities

    Teaches coding through game-based lessons and self-paced activities. Students solve mazes, create games, and explore creative challenges. Includes progress tracking and interactive lessons for pre-readers and readers.

    ★ 4.721,388 ratingsEducationFreeData updated 2026-09-08
  4. Codecademy Go app icon

    Codecademy Go

    Codecademy, LLC

    Review code, practice skills, track progress

    Learn programming concepts through interactive lessons and exercises. Complete coding challenges to reinforce knowledge. Track progress and set goals. Sync learning sessions across devices. Receive personalized feedback and recommendations.

    ★ 4.837,959 ratingsEducationFreeData updated 2026-09-14
  5. CodeLife - Learn to code app icon

    CodeLife - Learn to code

    Oxy Foo

    Coding with interactive exercises

    Coding through interactive exercises in Python, SQL, HTML, CSS, and JavaScript. Practice coding without lectures or subscriptions. Track progress and at your own pace. No experience required.

    ★ 4.739 ratingsEducationFreeData updated 2026-09-06
  6. JavaScript Coding Editor IDE app icon

    JavaScript Coding Editor IDE

    HurryApp LTD

    Edit code efficiently

    Edit code with real-time syntax highlighting and error detection. Write and run scripts directly within the . Save and organize projects. Integrate with version control systems for code management.

    ★ 4.340 ratingsDeveloper ToolsFreeData updated 2026-09-06
  7. PocketJS app icon

    PocketJS

    Khosro Amini

    Write, save, and run JavaScript code

    Write and save JavaScript code as .js files. Execute scripts directly on the device without network access. Use syntax highlighting and a JavaScript console for testing and debugging.

    ★ 4.36 ratingsDeveloper ToolsFreeData updated 2026-09-06
  8. View Source Premier app icon

    View Source Premier

    Andrey Uspanov

    Edit and code snippets instantly

    And analyze HTML, XML, JavaScript, CSS, JSON, RSS, and ATOM code. Support for iPhone, iPad, and Mac devices. Browse code with intuitive navigation. Edit and format code directly. Save and export code files. Sync code across devices.

    ★ 4.127 ratingsDeveloper Tools$6.99Data updated 2026-10-25
  9. Tynker: Coding for Kids app icon

    Tynker: Coding for Kids

    Neuron Fuel, Inc.

    Teach with interactive lessons

    Teach children to code with interactive lessons and step-by-step tutorials. Create and share projects using block-based programming. Track progress and receive feedback. Sync with classroom accounts for teacher oversight.

    ★ 4.618,339 ratingsEducationFreeData updated 2026-09-09
  10. Encode: Learn to Code app icon

    Encode: Learn to Code

    Upskew Pty. Ltd.

    Coding with interactive lessons

    Programming languages like Python, SQL, HTML/CSS, and JavaScript through short, interactive lessons. Complete coding exercises and quizzes to practice skills. Track progress and revisit lessons at your own pace.

    ★ 4.86,365 ratingsEducationFreeData updated 2026-09-12
  11. Proxycat app icon

    Proxycat

    BYTE CROSSING LTD

    Edit HTTP requests and responses

    Debug HTTP requests and responses using JavaScript. Modify requests and responses with script code. View data in JSON, HTML, XML, JavaScript, and Hex formats. Enable SSL decryption. Sync scripts via iCloud. Support dark mode.

    ★ 5.02 ratingsDeveloper ToolsFreeData updated 2026-09-06
  12. Programming Hub: Learn Coding app icon

    Programming Hub: Learn Coding

    Rightsol PTE LTD

    To code with interactive lessons

    Languages like HTML, JavaScript, Python, and Java through interactive lessons and game-like challenges. Complete code examples, access 35+ courses, and use a fast compiler to test and run code instantly.

    ★ 4.89,845 ratingsEducationFreeData updated 2026-09-10
  13. Inspect Browser app icon

    Inspect Browser

    Parallax Dynamics Inc.

    Web elements and debug code

    Allows developers to debug and test web content directly on iOS. View and edit HTML elements with live preview. Adjust and CSS rules in real time. Access JavaScript console for debugging. Check element dimensions and properties.

    ★ 4.2124 ratingsDeveloper Tools$6.99Data updated 2026-10-25

How we rank alternatives

Apps are ranked by functional similarity, category fit, rating confidence, and popularity.