View, convert, and print CAD drawings on your mobile device. Supports DWG, DXF, and PDF formats with iCloud sync and Wi-Fi printing. Ideal for architects, engineers, and construction professionals.



191+ iOS apps curated and reviewed
Finding the right technical manual viewer app can be overwhelming with so many options. We've analyzed 191+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.



View, convert, and print CAD drawings on your mobile device. Supports DWG, DXF, and PDF formats with iCloud sync and Wi-Fi printing. Ideal for architects, engineers, and construction professionals.






This cross-platform CAD application allows users to view, edit, and create 2D and 3D designs on the go. It supports a wide range of file formats and offers advanced tools for precise drawing, measurement, and annotation, even offline.



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.


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.


Access flight operations manuals offline on your iPad. This app provides fast, intelligent searching, bookmarking, and filtering for your entire manual library, ensuring you always have the latest information from all manufacturers.


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.


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 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.


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.


Control your desktop, manage files, and provide support for devices remotely from your mobile device. Offers secure access, file transfer, real-time chat, and augmented reality assistance for visual guidance.


Easily find and access a vast library of user manuals directly from your browser. This app integrates with your browser to help you search for and retrieve manuals for a wide range of products.


This application provides secure and efficient access to U.S. Army Interactive Electronic Technical Manuals (IETMs) on mobile devices. It streamlines the viewing of technical documentation for users needing quick and easy access to critical 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 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.


This app provides comprehensive file management for iPhones and iPads, allowing users to view, share, and organize documents, media, and contacts. It supports a wide range of file formats and offers features like multi-window support and WiFi sharing.


This app quickly displays large image files, including scanned documents and engineering drawings, directly from cloud storage or your camera roll. It excels at viewing bitonal images with optimized decoding for fast navigation. The free version includes ads, while a paid version offers printing and PDF conversion.


This app combines a web browser, download manager, and file manager with built-in viewers for photos and documents. It allows for offline web page saving, background downloading, archive extraction, and secure access with a passcode.


This free 3D viewer allows you to quickly load and inspect various 3D model file formats on any mobile device. It supports common open formats and offers intuitive controls for adjusting transparency, rotation, and shading. Specialized features are available for dental professionals using specific software.


View, edit, and remove EXIF metadata from your photos. This app displays detailed camera information, allows customization of displayed tags, and offers options to remove location data or the entire EXIF set. It also includes a map view and a Photos Extension for easy access.


This app allows trusted remote partners to connect to your iPhone or iPad to provide IT support, transfer files, and communicate via chat. It offers features like dark mode, screen rotation, and user verification for secure connections.