Best Technical Manual Viewer Apps

191+ iOS apps curated and reviewed

3.5 avg rating
19 free apps
Updated June 2026

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.

Top Picks for Technical Manual Viewer

CAD FastView: DWG Viewer#1

CAD FastView: DWG Viewer by 镇源 余

DWG Viewer - DWG/DXF Reader
Editor's Choice
📊 Productivity
3.9(33 ratings)
FreeIn-App Purchases
CAD FastView: DWG Viewer screenshot 1
CAD FastView: DWG Viewer screenshot 2
CAD FastView: DWG Viewer screenshot 3

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.

DWG FastView-CAD Viewer&Editor#2

DWG FastView-CAD Viewer&Editor by Gstarsoft Co., Ltd

* Support 2D/3D CAD formats
Strong Contender
📊 Productivity
3.7😐(50 ratings)
FreeAdsIn-App Purchases
DWG FastView-CAD Viewer&Editor screenshot 1
DWG FastView-CAD Viewer&Editor screenshot 2
DWG FastView-CAD Viewer&Editor screenshot 3
DWG FastView-CAD Viewer&Editor screenshot 4
DWG FastView-CAD Viewer&Editor screenshot 5
DWG FastView-CAD Viewer&Editor screenshot 6

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.

What We Love

  • 🚀 Fast and efficient
  • 👍 Easy to use and intuitive
  • 💡 Convenient mobile CAD viewing and editing
  • 🚀 Quick file loading

Room to Improve

  • 🐛 Crashes and freezes
  • 💰 Subscription model with limited free features
  • 🔒 Lack of customer support and communication
3D File Viewer: OBJ STP & more#3

3D File Viewer: OBJ STP & more by Andeesh Mehdi Syed

STP STL OBJ FBX GLTF & More
Worth Considering
🔧 Utilities
4.5(35 ratings)
FreeAdsIn-App Purchases
3D File Viewer: OBJ STP & more screenshot 1
3D File Viewer: OBJ STP & more screenshot 2
3D File Viewer: OBJ STP & more screenshot 3

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.

More Technical Manual Viewer apps to explore

4
PDF Viewer by Nutrient
PDF Viewer by Nutrient
PDF Viewer by Nutrient
Fill Forms, Sign, Edit, Redact
Free

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 search PDFsAnnotate with highlights and notesSign documents digitally
📊 Productivity
(9.1K)
freemium
5
DocuNet Viewer
DocuNet Viewer
DocuNet Viewer
by Vistair Systems Ltd
Free

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.

Offline manual accessTabbed multi-document viewingFast intelligent searching
💼 Business
(4)
free
6
한컴오피스 Viewer
한컴오피스 Viewer
한컴오피스 Viewer
by HANCOM Incorporated
Free

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.

Read and manage office documentsSupport for HWP, DOC, XLS, PPT, PDFConvert documents to PDF
📊 Productivity
(3.8K)
free with in-app purchases
7
File Viewer
File Viewer
File Viewer
by Sharpened Productions
Free

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.

Open 100+ file typesBrowse device and iCloud DriveBuilt-in readers for Office, PDF, and images
🔧 Utilities
(3)
free
8
STL File Viewer Pro
STL File Viewer Pro
STL File Viewer Pro
Simplest Way To View STL Files
Free

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.

Instant STL file loadingFull 360° rotation and zoomSharp detail rendering
🛠️ Developer Tools
(50)
free with in-app purchases
9
IP Cam Viewer Pro
IP Cam Viewer Pro
IP Cam Viewer Pro
by NibblesnBits
$4.99

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.

Remote viewing and controlVideo recording2-way audio support
🔧 Utilities
(223)
paid
10
TeamViewer Remote Control
TeamViewer Remote Control
TeamViewer Remote Control
by TeamViewer Germany GmbH
Free

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.

Full remote control and screen sharingFile transfer in both directionsReal-time chat
📊 Productivity
(43K)
free with in-app purchases
11
Manuals: Access Free Manuals
Manuals: Access Free Manuals
Manuals: Access Free Manuals
Universal Manual Finder
Free

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.

Browser extension integrationSearch for web manualsAccess free manuals
📊 Productivity
(8)
free
12
IADS 5
IADS 5
IADS 5
Mobile IETM Viewer
Free

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.

Access Army IETMsModern technical manual viewingSecure access
📚 Books
(8)
free
13
Zip File Viewer
Zip File Viewer
Zip File Viewer
by BYTO
Free

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.

Open zip files directlyPlay/view files without uncompressingSupports various file formats (audio, video, docs)
🔧 Utilities
(5)
free
14
3D Model Viewer - AR View
3D Model Viewer - AR View
3D Model Viewer - AR View
View model in AR and 3D mode
Free

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.

AR and 3D viewing modesSupports numerous 3D file formatsLocal and cloud document integration
📊 Productivity
(323)
free with in-app purchases
15
Any: File Explore & Viewer
Any: File Explore & Viewer
Any: File Explore & Viewer
Explore, Search, View Files
Free

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.

Universal file accessView, share, and delete various file typesMulti-window support
🔧 Utilities
(124)
free with in-app purchases
16
Fast Image Viewer Free
Fast Image Viewer Free
Fast Image Viewer Free
by TDF Software
Free

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.

Optimized viewing of large bitonal imagesDirect access to cloud storage and camera rollNo image import or temporary data creation
🔧 Utilities
(2)
ad-supported
17
Browser & File Manager
Browser & File Manager
Browser & File Manager
by 书穗 林
Free

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.

Integrated web browser with multi-page supportDownload manager with background downloading and resume capabilityFile manager with folder support and archive extraction
🔧 Utilities
(301)
free
18
exocad webview
exocad webview
exocad webview
Fast STL 3D Viewer
Free

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.

Load various 3D model formats (STL, OBJ, PLY, etc.)Intuitive touch controlsAdjust mesh transparency and shading
🔧 Utilities
(14)
free
19
EXIF Viewer LITE by Fluntro
EXIF Viewer LITE by Fluntro
EXIF Viewer LITE by Fluntro
Photo GPS location,Camera info
Free

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.

Remove EXIF metadata including GPS locationDisplay detailed EXIF tags (ISO, Shutter Speed, etc.)Zoom photos without losing clarity
📷 Photo & Video
(596)
free
20
TeamViewer QuickSupport
TeamViewer QuickSupport
TeamViewer QuickSupport
Screen sharing
Free

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.

Remote IT supportFile transferChat communication
📊 Productivity
(5.1K)
free