216+ iOS apps curated and reviewed
The best syntax highlighting app apps on iPhone average 4.5★ across 216+ titles — we've ranked them by what real users actually keep on their phones. Updated June 2026.
A powerful code editor for mobile devices, offering syntax highlighting for over 80 languages, remote file access, and a built-in terminal. Perfect for developers who need to code on the go with a well-designed interface.
Enhance your writing across all apps with AI-powered suggestions for grammar, spelling, and clarity. Generate new versions of your text, detect tone, and improve conciseness. Also includes a document editor and Safari extension for comprehensive writing support.
A powerful plain text and code editor for iPhone and iPad. Offers syntax highlighting, line numbers, find and replace, and extensive customization options for developers and writers.
Code and run Python 3 scripts directly on your iOS device with a feature-rich editor. Enjoy syntax highlighting, auto-indentation, code completion, and AI-powered code assistance. Optimize your workflow with multi-window support and background script execution.
Learn and run Python 3 code on your mobile device with this AI-powered editor. Features include a compiler, debugger, code completion, and built-in challenges to enhance your programming skills.
A minimalist text editor designed to streamline the writing process. It supports both RTF and TXT formats, offering rich text editing and Markdown support. Sync your work across devices with iCloud integration.
Easily test pre-release versions of apps and App Clips. Provide feedback to developers before public launch. Receive invites via email or public link.
A powerful text and code editor for mobile devices, offering syntax highlighting for over 80 languages, code completion, and formatting tools. It allows connection to various servers and cloud storage for seamless file management and editing.
This app helps novelists plot and write their books by organizing story elements like characters, locations, and items. It offers tools for world-building, real-time collaboration, and writing statistics, along with weekly challenges to inspire creativity.
This app offers a clean and configurable writing environment for various creative projects. It supports Markdown and plain text, syncs with iCloud, and integrates with other tools. Users can publish drafts to popular blogging platforms and export documents in multiple formats.
Access multiple advanced AI models like ChatGPT, Gemini, and Claude in a single, user-friendly application. Engage in real-time voice chats, generate images, get expert insights, and receive personalized coaching for various aspects of your life.
This app simplifies academic writing by automatically formatting essays in various styles like APA, MLA, and Chicago. It includes a universal reference manager, citation tools, and equation support, allowing for distraction-free writing and easy export to PDF or Word.
This app offers a distraction-free writing experience with seamless Markdown integration. Organize your thoughts into customizable spaces using hashtags and access all features with intuitive gestures. It prioritizes privacy and security with iCloud syncing.
This AI-powered writing assistant helps you write mistake-free everywhere. It offers grammar, spelling, and punctuation checks across multiple languages, along with translation and style suggestions. Use it in any app via its dedicated keyboard for improved writing confidence.
An advanced code editor for iOS devices, offering desktop-class features like multi-caret editing, regex search, and syntax highlighting for over 150 languages. It integrates with the Files app and supports external keyboards for a seamless coding experience.
This AI-powered assistant simplifies online people searches by scanning multiple platforms simultaneously. Discover social media profiles, publicly available records, and other relevant online information quickly and efficiently from a single interface.
This app brings the full power of Python coding to your mobile device. It offers seamless script execution, AI-powered debugging assistance, and coding challenges to sharpen your skills. Enjoy a user-friendly interface, advanced editor features, and cloud sync for productivity on the go.
Easily share source code and ASCII art with friends using fixed-width font messages. Features include inline previews, recent snippet support, and quick access to coding characters. An in-app purchase unlocks syntax highlighting and customizable color themes.
This app offers a desktop-class code editing experience on iPadOS. It includes built-in runtimes for popular languages like Node.js, Python, and Java, along with advanced features such as autocompletion and Git integration.
This keyboard app allows you to quickly access and paste stored notes and information, saving you time when writing long messages or emails. It offers custom phrase storage and a user-friendly interface for efficient communication.