Free
In-App Purchases
About
This app is a native code editor for HTML, CSS, and JavaScript on iPhone and iPad. It allows users to write, preview, and test web code instantly, with features like syntax highlighting, line numbers, and template options. Project data is stored locally for privacy.
✓HTML, CSS, JavaScript code editor
✓Syntax highlighting
✓Live preview and testing
✓Code templates
✓Local project storage
✓SSH/SFTP remote access
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+1
What's New in HTML Viewer & Editor
1.6
November 12, 2026
Bug fixes and improvements.
3
Subscriptions & In-App Purchases
Monthly Premium
Unlock all premium features with a monthly plan.
$14.991 Month
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FAQ
What is Codex?
Codex is a native code editor for HTML, CSS, and JavaScript designed for iPhone and iPad. It allows you to write, preview, and test your web code directly on your device.
Does Codex require an account?
No, Codex does not require an account to use. You can open the app and start coding immediately without any registration.
How does Codex handle project data?
All project data is stored locally on your device. Your code is not uploaded or transmitted externally, ensuring your privacy and security.
What are the benefits of Codex Pro?
Codex Pro offers unlimited projects, access to all premium templates, and SSH/SFTP remote access for working with your own servers. It can be purchased via monthly, annual subscription, or a lifetime purchase.
Can I use Codex to learn coding?
Yes, Codex is suitable for learning to code. It provides a clean interface, syntax highlighting, and ready-made templates that can help beginners get started and learn from examples.
Does Codex have ads?
Based on the provided information, Codex does not contain advertisements. The app is free to use with optional in-app purchases for Pro features.
What devices is Codex compatible with?
Codex is compatible with both iPhone and iPad devices, offering a native experience on Apple's mobile platforms.
How often is Codex updated?
The application was last updated on July 8, 2026, with version 1.0. Further update frequency is not specified but indicates recent development.
