218+ iOS apps curated and reviewed
If you already know S, this is the deeper bench. 218+ s-viewer apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of July 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 3.0★ (2) | No | No | May 2026 |
| 2 |  | Free | 4.4★ (241) | Yes | Yes | Jul 2026 |
| 3 |  | Free | 4.4★ (1K) | Yes | Yes | Jul 2026 |
| 4 |  | Free | 4.6★ (7.5K) | Yes | Yes | Jul 2026 |
| 5 |  | Free | 4.5★ (12K) | Yes | Yes | Jul 2026 |
| 6 |  | Free | 4.4★ (3.7K) | No | Yes | Jul 2026 |
| 7 |  | Free | 4.5★ (2.9K) | No | Yes | Jul 2026 |
| 8 |  | Free | — | No | No | May 2026 |
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.
Explore and showcase your 3D models with advanced rendering and intuitive controls. Supports multiple file formats, ideal for entertainment or preparing models for 3D printing.
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.
This application offers comprehensive PDF management, including advanced editing, AI-powered summarization and translation, and efficient scanning with OCR. It helps organize, convert, and secure documents for work, study, and personal use.
Explore street-level imagery worldwide with live traffic data and GPS navigation. View panoramas by tapping on a map or searching for an address. Share and bookmark locations for easy access.
Easily compress and decompress various file formats like ZIP, RAR, and 7zip. Secure your files with passwords and manage them all in one place, with options to integrate with cloud storage services.
Edit, convert, and manage PDF documents on your mobile device. This app allows you to directly edit text, scan documents, fill out forms, and secure your files with passwords and watermarks. It also supports OCR to extract text from scans and convert PDFs to various formats.
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.
This app allows you to anonymously view and save stories and highlights from your favorite accounts. Keep your preferred content easily accessible for later viewing. It is not affiliated with Instagram.
Transform your ONVIF, RTSP, or WiFi IP cameras into a robust home security system. This app provides a smooth and fast experience for viewing and controlling network cameras across multiple Apple devices. Enjoy secure, local access without mandatory cloud services or vendor restrictions.
Transform two devices into a reliable home security system. Monitor your home remotely with features like motion detection, two-way video, and HD quality streaming. Supports a wide range of cameras and offers unlimited device pairing.
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.
This application allows you to open and view digitally signed P7M files. You can import files from various cloud services and email clients, inspect the content and signer certificates, and easily export or print the content.
A fast and user-friendly application for viewing digital comic books and PDF files. It supports various comic archive formats and common image types, offering library management and metadata display.
Access and control your Mac, Windows, or Linux computers remotely from any device. View your desktop, use your keyboard and mouse, and manage files securely with end-to-end encryption. Sync connections across all your devices for seamless access.
View and manage source code files for over 60 programming languages. Open Xcode projects, navigate code with a table of contents, and access files via drag-and-drop, GitHub, or "Open In" functionality. Customize your viewing experience with 30+ color themes.
This app provides a streamlined environment for writing, editing, and instantly previewing HTML code on mobile devices. It's designed for students, beginners, and developers needing a quick, distraction-free workspace for web development tasks.