Best S-Viewer Apps

246+ iOS apps curated and reviewed

3.4 avg rating
19 free apps
Updated October 2026

If you already know S, this is the deeper bench. 246+ s-viewer apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of October 2026.

Compare top S-Viewer Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1S-ViewerS-ViewerFree3.0★ (2)NoNoMay 2026
2DWG FastView-CAD Viewer&EditorDWG FastView-CAD Viewer&EditorFree4.5★ (1.1K)YesYesOct 2026
3T5S ViewerT5S ViewerFree—NoNoMay 2026
4Unlimited ViewerUnlimited Viewer$2.99—NoNoSep 2026
5Minicam ViewerMinicam ViewerFree—NoNoMay 2026
6SKM AR ViewerSKM AR ViewerFree—NoNoMay 2026
7K-ViewerK-ViewerFree—NoNoJun 2026
8DWG, STL & 3D CAD File ViewerDWG, STL & 3D CAD File ViewerFree5.0★ (1)NoYesOct 2026

Top Picks for S-Viewer

3.0(2 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

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 October 2026, with a 3.0-star average from 2 App Store ratings, and it's free to download.
Yes — 19 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 October 2026.
We track 246+ s-viewer apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.