Best S-Viewer Apps

247+ iOS apps curated and reviewed

3.6 avg rating
20 free apps
Updated November 2026

If you already know S, this is the deeper bench. 247+ s-viewer apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of November 2026.

Compare top S-Viewer Apps (November 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1S-ViewerS-ViewerFree5.0★ (1)NoNoOct 2026
2DWG FastView-CAD Viewer&EditorDWG FastView-CAD Viewer&EditorFree4.5★ (1.1K)YesYesNov 2026
3PDF Editor Converter & ScannerPDF Editor Converter & ScannerFree4.7★ (923)YesYesOct 2026
4Hathorn ViewerHathorn ViewerFree3.0★ (1)NoNoOct 2026
5SKM AR ViewerSKM AR ViewerFree—NoNoMay 2026
6K-ViewerK-ViewerFree—NoNoJun 2026
73D File Viewer: OBJ STP & more3D File Viewer: OBJ STP & moreFree4.3★ (55)NoYesNov 2026
8Winmail Viewer:for DAT,XPS,MSGWinmail Viewer:for DAT,XPS,MSGFree2.0★ (1)NoYesMay 2026

Top Picks for S-Viewer

5.0(1 ratings)
Free
S-Viewer screenshot 1
S-Viewer screenshot 2
S-Viewer screenshot 3

This app allows you to view live images from a USB camera connected to a WiFi station wirelessly. You can capture, record, freeze, and annotate the video feed, and even switch to your iOS device's camera.

DWG FastView-CAD Viewer&Editor#2

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

* Support 2D/3D CAD formats
Strong Contender
📊 Productivity
4.5😐(1.1K 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
  • 👍 Smooth performance
  • 👍 Accurate measurements and annotations
  • 💡 Useful PDF export feature

Room to Improve

  • 🐛 Crashes and freezes
  • 💰 Subscription model with limited free features
  • 🔒 Lack of customer support and communication
  • 🔒 Unclear upgrade and purchase process
  • 🔒 Aggressive advertising and paywalls
  • 🔒 Unreliable file compatibility and opening
PDF Editor Converter & Scanner#3

PDF Editor Converter & Scanner by MR. K.O. E.E.

Convert Photos & Documents
Worth Considering
💼 Business
4.7😊(923 ratings)
FreeAdsIn-App Purchases
PDF Editor Converter & Scanner screenshot 1
PDF Editor Converter & Scanner screenshot 2
PDF Editor Converter & Scanner screenshot 3
PDF Editor Converter & Scanner screenshot 4
PDF Editor Converter & Scanner screenshot 5

Transform paper documents and photos into digital files. This app offers advanced image processing for accurate text extraction and high-quality scans. Easily save, edit, and share your converted documents in various formats.

What We Love

  • 👍 Easy to use
  • 🚀 Quick and efficient
  • 💡 Useful features
  • 🚀 Convenient document scanning

Room to Improve

  • 🐛 Crashes during scanning
  • 🔒 Subscription issues and lack of cancellation options
  • 🐛 Compatibility problems

More S-Viewer apps to explore

FAQ about S-Viewer

What are the best s-viewer apps for iPhone?
S-Viewer tops our s-viewer apps ranking as of November 2026, with a 5.0-star average from 1 App Store ratings, and it's free to download.
Yes — 20 of the top s-viewer apps we rank are free to download, including S-Viewer and DWG FastView-CAD Viewer&Editor.
S-Viewer has no ads and has no in-app purchases, according to its App Store listing as of November 2026.
We track 247+ s-viewer apps on the iOS App Store as of November 2026, ranked by rating, recency, and analysis of real user reviews.