Features & Capabilities

Kodex is an advanced code editor designed for iPad and iPhone, bringing desktop-class editing features to mobile devices. It supports multi-caret editing, regex search/replace with templates, a minimap for quick navigation, and syntax highlighting for 150+ languages. It also offers multiple windows, trackpad gestures to add cursors, and seamless integration with the Files app.

In addition, Kodex provides HTML auto-complete, customizable key bindings, themes and fonts, configurable tab sizes, visible-character hints, and the ability to preserve open documents between launches. It is optimized for external keyboards and light/dark modes, and is not a compiler; think of it as a Sublime/Notepad++-style editor for mobile devices.

User Growth & Download Statistics

Contact the developer

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Developed by:
Bruno Philipe Resende Silva
Apple Apps Store
https://apps.apple.com/us/app/kodex/id1038574481
Website:
https://kodex.app

User Reviews

Codex is a powerful, beloved code editor for iOS/iPadOS, praised for rich syntax highlighting and strong Files app integration. Users value its long history and ability to handle real coding tasks with features like QuickEdit and wide file-system access. However, reviews converge on major downsides: frequent crashes and instability, especially when opening or saving files; indications that the app is abandoned or unmaintained with no updates for years; compatibility issues on iOS/iPadOS 17; missing essential features (word wrap toggle, redo, find/replace); and some UI quirks that complicate keyboard workflows. Overall, excellent when it works, but risky to rely on.
Pros
  • Powerful, feature-rich code editor with extensive syntax highlighting.
  • Excellent on iOS/iPadOS; regarded as one of the best editors when it works.
  • Strong iPadOS integration: works from the Files app, QuickEdit mode, and broad file-system access.
  • Supports keyboard-focused workflows (line numbers and coding-oriented UI).
  • Long-standing, trusted editor with a decade of use.
Cons
  • Frequent crashes and instability, including crashes when opening, creating, or saving files.
  • App appears abandoned or unmaintained, with no updates for years.
  • Compatibility issues on iOS/iPadOS 17 (crashes or failing to open files).
  • Missing essential editing features (word wrap toggle, redo, find/replace).
  • UI/UX quirks such as a floating line-number indicator when using a keyboard accessory.
Recent reviews
Puedo cambiar la versiónes de los mods de fnf
by FN*****, 2026-02-18

This would be my favorite code editor, but the lack of a word wrap toggle makes it nearly useless to me.
by BD*****, 2026-02-11
View all user reviews ›

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