Best C9X Apps

Text editor-PWEditor

For source code, HTML and text

Free

This app is a powerful text editor designed for source code, HTML, and general text input on iOS devices. It offers advanced editing features like syntax highlighting, symbol pads, and undo/redo, with cloud storage integration and an optional online compiler.

DeepL Translate

Translate photos, speech, text

Free

Instantly translate text from your camera, photos, speech, or files. Explore alternative translations, save favorites, and hear translations read aloud. Offers advanced features like glossary and tone selection with a paid plan.

Vim

by Applidium

Free

A highly configurable text editor with a long history, designed for efficient editing from both command lines and graphical interfaces. It offers extensive customization options for programmers and writers alike.

LaTeX Editor Tex Pro

LaTeX compiler typeset writer

Free

Create and edit LaTeX documents on your iOS device. Compile your .tex files into PDFs with advanced features like syntax highlighting, line numbers, and autosave. Seamlessly sync files and export your work.

C Compiler

C Compiler - Tutorial -Samples

Free

This application provides an integrated development environment for C programming, complete with an offline tutorial and sample programs. It features syntax recognition and auto-formatting to aid users in writing and running complex C code.

Vocabulary Builder by Atlas

Daily Word of the Day Widget

Free

Enhance your English vocabulary with a personalized, science-based approach. Master new words, phrases, and idioms through curated lessons, interactive exercises, and AI-powered explanations. Track your progress and stay consistent with daily reminders and widgets.

C++ Shell - C++ code compiler

Linux commands line console

Free

Compile and run C++ code directly on your mobile device. This app provides a command-line environment with support for basic Linux commands, Python, and Lua. It features code highlighting, split-screen display, and customizable themes for an enhanced coding experience.

Kodex

A powerful code editor

Free

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.

Font‏s

Install any font!

Free

Easily install new fonts on your device to use across various applications. This utility guides you through the simple installation process and supports popular file formats.

LibTerm

Command Line Shell

Free

This app provides a powerful command-line interface for iOS devices, enabling users to run various shell commands. It includes tools for coding in C, Python, and Lua, and allows for text file editing with syntax highlighting.

PDFelement: PDF Editor, Viewer

Convert & Sign PDF, AI-powered

Free

This application offers comprehensive PDF management, including advanced editing, AI-powered summarization and translation, and efficient scanning with OCR. It helps organize, convert, and secure documents for work, study, and personal use.

Code Editor - Compiler & IDE

Programming on mobile

Free

This app is a powerful mobile code editor and compiler designed for programmers. It offers syntax highlighting for numerous languages, code assistance, and the ability to compile and run code directly on your device. Access files from cloud storage and version control systems, with customizable themes and extensive editing features.

Textastic Code Editor

Text, Coding, SFTP Client, SSH

Free

$9.99 | 100% OFF

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.

VerbTeX LaTeX Editor

by Daniel Kuster

Free

Create and manage LaTeX projects on your iOS device. Generate PDFs offline or online with support for various compilers and bibliography tools. Features include cloud synchronization, Git integration, and custom font support.

Pyto IDE

Python, C/C++

Free

This app offers a powerful integrated development environment for Python, C, and C++ on iOS devices. It includes a Python interpreter with extensive libraries, a C/C++ compiler, a terminal, and a code editor with advanced features like code completion and debugging.

Notes Writer Pro: Beyond PDFs

Notepad, Word, Pencil & Scan

$9.99

This app is a versatile writing and note-taking tool that supports rich text and Markdown. It allows users to annotate PDFs, fill out forms, and organize their work into unlimited notebooks. The app also includes scanning capabilities and various export options for seamless sharing and backup.

Fontboard: Trendy Fonts

Cool text fonts for Texting

Free

Transform your messages and social media posts with a vast collection of stylish fonts and creative text decorations. This keyboard app allows for effortless integration and customization, making every word a work of beauty and helping you captivate your audience.