Best Ofd Viewer Alternative Apps

0+ iOS apps curated and reviewed

4.1 avg rating

19 free apps

Updated June 2026

Whether you're new to ofd viewer alternative or looking for an upgrade, our curated collection of 0+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Compare top Ofd Viewer Alternative Apps (June 2026)

#	App	Price	Rating	Ads	In-App Purchases	Updated
1	Winmail Viewer - Letter Opener	Free	4.8★ (4.9K)	No	Yes	Sep 2026
2	File Viewer	Free	3.4★ (5)	No	No	Jul 2026
3	한컴오피스 Viewer	Free	1.8★ (73)	Yes	No	Sep 2026
4	STL File Viewer Pro	Free	4.5★ (65)	Yes	Yes	Sep 2026
5	PDF Viewer by Nutrient	Free	4.6★ (9.1K)	No	Yes	Sep 2026
6	3D File Viewer: OBJ STP & more	Free	4.5★ (48)	No	Yes	Sep 2026
7	DWG FastView-CAD Viewer&Editor	Free	4.5★ (1.1K)	Yes	Yes	Sep 2026
8	RAR Unzip: 7Zip File Opener	Free	4.6★ (3K)	No	Yes	Sep 2026

Top Picks for Ofd Viewer Alternative

#1

Winmail Viewer - Letter Opener by Letter Opener GmbH

Open Email, MSG & XPS files

Editor's Choice

🔧 Utilities

4.8(4.9K ratings)

FreeIn-App Purchases

Winmail Viewer - Letter Opener screenshot 1

Winmail Viewer - Letter Opener screenshot 2

Winmail Viewer - Letter Opener screenshot 3

Winmail Viewer - Letter Opener screenshot 4

Easily open and view Winmail.dat, MSG, and XPS email files that are incompatible with most email clients. Convert embedded content like appointments and notes into native iOS formats, and access all attachments within these files.

#2

File Viewer by Sharpened Productions

Strong Contender

🔧 Utilities

3.4(5 ratings)

Free

File Viewer screenshot 1

File Viewer screenshot 2

File Viewer screenshot 3

File Viewer screenshot 4

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.

#3

한컴오피스 Viewer by HANCOM Incorporated

Worth Considering

📊 Productivity

1.8(73 ratings)

FreeAds

한컴오피스 Viewer screenshot 1

한컴오피스 Viewer screenshot 2

한컴오피스 Viewer screenshot 3

한컴오피스 Viewer screenshot 4

한컴오피스 Viewer screenshot 5

한컴오피스 Viewer screenshot 6

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.

More Ofd Viewer Alternative apps to explore

STL File Viewer Pro

STL File Viewer Pro

STL File Viewer Pro

Simplest Way To View STL Files

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

free with in-app purchases

PDF Viewer by Nutrient

PDF Viewer by Nutrient

PDF Viewer by Nutrient

Fill Forms, Sign, Edit, Redact

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

3D File Viewer: OBJ STP & more

3D File Viewer: OBJ STP & more

3D File Viewer: OBJ STP & more

STP STL OBJ FBX GLTF & More

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.

Supports over 20 3D file formatsFast and smooth 3D file viewingZoom, rotate, and pan with touch controls

free with in-app purchases

DWG FastView-CAD Viewer&Editor

DWG FastView-CAD Viewer&Editor

DWG FastView-CAD Viewer&Editor

* Support 2D/3D CAD formats

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

free with in-app purchases

RAR Unzip: 7Zip File Opener

RAR Unzip: 7Zip File Opener

RAR Unzip: 7Zip File Opener

Extract & Compress ZIP Files

Easily manage your files by unzipping and archiving documents, photos, and videos. Browse and view various file types directly within the app. Offers premium features for advanced file operations and security.

Unzip/Unarchive filesCompress/Archive foldersRead & View Zip and RAR

Zip & RAR File Extractor

Zip & RAR File Extractor

Zip & RAR File Extractor

UnZip Browser, Viewer, Manager

This app is a comprehensive file management tool for iOS devices. It allows users to extract various archive formats, create compressed files, convert media, and edit documents and PDFs. It also includes AI-powered OCR and translation features, along with a versatile file viewer and secure access options.

Extract ZIP, RAR, 7Z archivesCreate password-protected ZIP/7Z filesConvert audio and video formats

free with in-app purchases

Browser & File Manager

Browser & File Manager

Browser & File Manager

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

DICOM Viewer : MRI CT XRAY & +

DICOM Viewer : MRI CT XRAY & +

DICOM Viewer : MRI CT XRAY & +

Radiology Medical imaging PACS

This app allows you to view and organize medical imaging studies like MRI and CT scans directly on your iPhone. Import studies from folders or ZIP archives, adjust image settings, add annotations, and sort your research into custom folders for easy access.

Import DICOM studies from folders/ZIPView series and slices with touch navigationAdjust window level/width

free with in-app purchases

FileBrowser: Documents Manager

FileBrowser: Documents Manager

FileBrowser: Documents Manager

File Explorer & Media Player

Access and manage files across your home computers, network drives, and cloud storage. Upload, download, copy, and edit documents directly from your device, with built-in viewers for various file types and streaming capabilities.

Connect to computers, NAS, and cloud storageUpload, download, copy, and move filesMulti-tabbed browsing and split-screen support

Zip File Viewer

Zip File Viewer

Zip File Viewer

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)

Any: File Explore & Viewer

Any: File Explore & Viewer

Any: File Explore & Viewer

Explore, Search, View Files

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

free with in-app purchases

Unzip - zip,rar,7z file opener

Unzip - zip,rar,7z file opener

Unzip - zip,rar,7z file opener

files extractor, compressor

This app is a powerful tool for extracting and compressing various archive file formats. It supports creating encrypted ZIP files, batch compression of media, and offers multiple file transfer options. It also allows viewing and playing a wide range of document, video, and audio types.

Extracts ZIP, RAR, 7Z, TAR, GZIP, and moreCreates encrypted and password-protected ZIP filesBatch compress photos and videos

📊 Productivity

free with in-app purchases

CAD FastView: DWG Viewer

CAD FastView: DWG Viewer

CAD FastView: DWG Viewer

DWG,DXF,DWT Viewer -CAD viewer

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

3D Model Viewer - AR View

3D Model Viewer - AR View

3D Model Viewer - AR View

View model in AR and 3D mode

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

free with in-app purchases

Fast STL 3D Viewer

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

Winmail Viewer:for DAT,XPS,MSG

Winmail Viewer:for DAT,XPS,MSG

Winmail Viewer:for DAT,XPS,MSG

RAR, Winmail.dat Reader, TNEF

This tool allows users to extract, view, and save the contents of winmaildat, msg, and xps files. It provides a complete solution for managing these file types, including viewing all attachments and rich text messages.

Extract winmaildat, msg, xps filesView file contentsSave extracted files

📊 Productivity

IDV - IMAIOS DICOM Viewer

IDV - IMAIOS DICOM Viewer

IDV - IMAIOS DICOM Viewer

View DICOM medical imaging files from various sources securely on your device. Offers intuitive tools for image manipulation and measurement. Free for personal use, with an online version available.

DICOM file supportImage scrollingImage manipulation

FAQ about Ofd Viewer Alternative

What are the best ofd viewer alternative apps for iPhone?

Winmail Viewer - Letter Opener tops our ofd viewer alternative apps ranking as of June 2026, with a 4.8-star average from 4.9K App Store ratings, and it's free to download.

Are there free ofd viewer alternative apps for iPhone?

Yes — 19 of the top ofd viewer alternative apps we rank are free to download, including Winmail Viewer - Letter Opener and File Viewer.

Does Winmail Viewer - Letter Opener have ads or in-app purchases?

Winmail Viewer - Letter Opener has no ads and offers in-app purchases, according to its App Store listing as of June 2026.

What does this app do?

This app allows you to open and view Winmail.dat, MSG, and XPS email files that are typically unreadable by other email applications. It converts embedded content like appointments and notes into formats compatible with your iOS device and provides access to all attachments.

How do I open a Winmail.dat file?

Simply tap on the Winmail.dat file when you receive it, and the app will open it automatically. It then processes the file to make its content accessible, including any attachments or embedded items like calendar events.