196+ iOS apps curated and reviewed
From beginner-friendly picks to power-user tools, our the source viewer list covers 196+ iPhone apps updated through May 2026. Compare ratings, prices, and screenshots in one place.
Easily manage and view local HTML files on your device. Import files via iTunes File Sharing, edit them, and utilize features like syntax highlighting and source text search for a streamlined workflow.
View the HTML, CSS, and JavaScript source code of any website. Highlighted code, extracted links, and image collections are available. Save bookmarks, toggle word wrap, and copy/paste code easily.
Easily open and explore 3D model files on your iPhone or iPad. Supports over 20 popular formats, offering smooth viewing with intuitive touch controls. Ideal for designers, engineers, architects, and students working with 3D data.
View the HTML, CSS, and JavaScript source code of any website. Highlighted syntax, extracted links, and image galleries make code analysis easy. Save bookmarks and copy code snippets.
Instantly open and view any text, code, or log file. This app offers professional syntax highlighting and line numbers, making it ideal for professionals who need to access and read various file formats on the go. It supports numerous common file types and provides customizable viewing themes.
This app allows you to view and edit various file types, including code, databases, archives, images, and videos. It supports multiple programming languages and character encodings for code viewing and editing.
Organize your thoughts and ideas with a powerful knowledge base that utilizes local Markdown files. This app acts as your personal second brain, accessible on your mobile device for seamless note-taking and idea connection.
Easily view, rotate, and inspect 3D STL files on your iPhone or iPad. Load models instantly from various sources for 3D printing, design review, or engineering inspection.
Easily open and view over 100 different file types, including documents, images, videos, and archives. Browse files stored on your device or in iCloud Drive. This app also identifies unknown files and displays detailed file information.
Easily open and play various file formats directly from compressed archives without needing to decompress them. Supports numerous media and document types, offering a simple interface for file management and access.
View HTML source code from URLs or directly from Safari. This app offers multi-tab browsing, bookmarking, and search functionality. Customize the display with various themes, fonts, and user agents.
Easily view, search, and annotate PDF documents on your iPhone and iPad. Import files from cloud services, fill out forms, add signatures, and organize your documents. Advanced features like redaction and combining documents are available with a Pro subscription.
View and manage documents from various office suites, including Hangul, Word, Excel, and PowerPoint. Convert documents to PDF or image files, and share them via email. Supports a wide range of file formats.
A fast and simple text and source code editor for iPhone and iPad. It allows users to create, import, edit, and manage various file types with features like syntax highlighting, search/replace, and export options.
Inspect and analyze the HTML source code of any website or local files. Features include element inspection, syntax highlighting, and multi-tab support for efficient workflow. Ideal for developers and students learning web technologies.
View, control, and record footage from your IP cameras, webcams, DVRs, and NVRs on your iOS device. It supports 2-way audio for baby monitoring and offers a recording mode to turn spare devices into network video recorders.
This app allows you to view and extract content from various archive and document formats, including ZIP, RAR, PDF, and Office files. It functions as a file manager, letting you organize, sort, save, and share your files easily. Access password-protected files and preview media directly within the application.
This app allows you to store, view, and manage files on your iPhone. It offers a built-in document viewer, supports various file types, and enables easy file transfers via USB, Wi-Fi, and cloud services.
View and interact with various 3D model formats in both AR and 3D modes. This intuitive tool supports local and cloud documents, custom backgrounds, and shadow casting. Easily import models via multiple methods and share your creations.
Easily view website source code directly on your iPhone or iPad. Access this functionality within the app or through a built-in Safari extension. Features include dark mode, adjustable font sizes, and text search.