Best Manual Viewer Apps

186+ iOS apps curated and reviewed

3.7 avg rating
18 free apps
Updated June 2026

If you already know Manuals Viewer, this is the deeper bench. 186+ manual viewer apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of June 2026.

Top Picks for Manual Viewer

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 Manual Viewer apps to explore

4
SnapBridge
SnapBridge
SnapBridge
by Nikon Corporation
Free

Wirelessly connect your compatible camera to your smart device for automatic photo downloads, remote camera control, and firmware updates. Easily manage and share your captured moments, and enhance your photography workflow.

Automatic photo downloadsRemote camera controlView and download photos from camera
📷 Photo & Video
(61K)
free
5
DWG FastView-CAD Viewer&Editor
DWG FastView-CAD Viewer&Editor
DWG FastView-CAD Viewer&Editor
* Support 2D/3D CAD formats
Free

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.

View and edit 2D/3D CAD drawingsSupports over 40 3D drawing formatsAccurate measurement and annotation tools
📊 Productivity
(50)
free with in-app purchases
6
Zip Browser
Zip Browser
Zip Browser
ZIP, Rar, PDF, 7z, ODT viewer
Free

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.

View ZIP and other archive formatsExtract content from archivesAccess PDF and Office documents
🔧 Utilities
(12)
free with in-app purchases
7
3D Viewer by Chief Architect
3D Viewer by Chief Architect
3D Viewer by Chief Architect
by Chief Architect
Free

Explore 3D architectural models in virtual reality. Navigate through home designs with intuitive controls, experiencing them before construction. Ideal for professionals to share immersive project previews with clients.

Virtual reality navigationWalk and fly through designsExterior, room, and floor plan views
📊 Productivity
(490)
free
8
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
9
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
10
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
11
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
12
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
13
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
14
DocuNet Viewer (Phone)
DocuNet Viewer (Phone)
DocuNet Viewer (Phone)
by Vistair Systems Ltd
Free

Access and view your entire document library offline. This application is designed to be part of a larger document management suite, providing convenient access to your files on the go.

Offline document viewingAccess document libraryPart of DocuNet suite
💼 Business
(1)
free
15
CAD FastView: DWG Viewer
CAD FastView: DWG Viewer
CAD FastView: DWG Viewer
DWG Viewer - DWG/DXF Reader
Free

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.

Fast DWG/DXF viewingConvert drawings to PDFWi-Fi printing
📊 Productivity
(33)
freemium
16
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
17
iRAR - zip,rar,7z file opener
iRAR - zip,rar,7z file opener
iRAR - zip,rar,7z file opener
Unzip archives viewer,archiver
Free

Easily decompress and view archives in numerous formats, including ZIP, RAR, and 7Z. This app also allows you to create encrypted ZIP files, view various document and media types, and transfer files wirelessly. Secure your data with passcode and biometric locks.

Decompress 7Z, ZIP, RAR, and moreCreate encrypted ZIP filesView documents, images, and videos
🔧 Utilities
(5.1K)
free with in-app purchases
18
Cortona3D Viewer
Cortona3D Viewer
Cortona3D Viewer
by ParallelGraphics
$2.99

View interactive 3D and 2D product catalogs, work instructions, and maintenance guides. Immerse yourself in 3D procedures and VRML scenes with augmented reality on your iPhone and iPad. Supports legacy 2D and interactive 3D content derived from CAD.

Augmented reality supportInteractive 3D and 2D contentMulti-touch gestures for navigation
📊 Productivity
(4)
paid
19
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
20
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

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