248+ iOS apps curated and reviewed
Fast Image Viewer Free is the household name in fast image viewer free, but it's far from the only option. We track 248+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 1.5★ (2) | No | No | May 2026 |
| 2 |  | Free | 5.0★ (2) | Yes | Yes | May 2026 |
| 3 |  | Free | 4.7★ (500) | No | No | Aug 2026 |
| 4 |  | $0.99 | — | No | No | Aug 2026 |
| 5 |  | $1.99 | 1.5★ (2) | No | No | Jul 2026 |
| 6 |  | Free | — | No | No | Jul 2026 |
| 7 |  | Free | 4.0★ (1) | Yes | Yes | Jul 2026 |
| 8 |  | Free | 5.0★ (4) | No | No | May 2026 |
This app quickly displays large image files, including scanned documents and engineering drawings, directly from cloud storage or your camera roll. It excels at viewing bitonal images with optimized decoding for fast navigation. The free version includes ads, while a paid version offers printing and PDF conversion.
This app offers an ultra-high-speed way to browse and rediscover your photo and video memories. It allows for rapid playback, adjustable speeds, and filtering by various conditions, making it easy to find specific moments quickly.
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.
This tool allows you to view a wide range of image formats, including those not natively supported by your device. It integrates with your file system and other apps to open image files, offering thumbnail previews and Quick Look functionality.
Easily open and view multi-page TIFF images and documents. Convert your TIFF files to PDF format with a single click for convenient sharing and archiving. Experience high-fidelity rendering and smooth navigation through your files.
Browse your Eagle image library on your iPhone and iPad. Access images from local storage, iCloud Drive, or network shares. Sync new assets and enjoy offline viewing with optional caching.
View and manage multi-page image formats like TIFF and GIF. Extract pages, convert to password-protected PDFs, and zoom or rotate images. Remove ads with an in-app purchase.
Easily convert images between popular formats like JPG, PNG, and PDF. Batch convert files, including iPhone's HEIC, with adjustable compression. Includes basic editing tools for cropping, rotating, and resizing.
This app allows you to view and edit various file types, including code, databases, archives, images, and videos. It supports multiple programming languages and character encodings for code viewing and editing.
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.
Digitize your cherished printed photos with your phone's camera. This app creates high-resolution, glare-free scans using an intuitive capture process. Your memories are then automatically cropped, straightened, and organized for easy sharing and searching.
Easily convert images to PDF, change formats, compress, resize, and add watermarks. This tool supports a wide range of image types and offers fast, accurate results for various needs.
A professional reader for image and e-book enthusiasts, this app offers a versatile reading experience across multiple devices. It supports over 20 file formats, advanced image processing, and flexible reading modes, with extensive cloud storage integration.
Easily download and save images from web pages. Select your preferred images and manage them with tags. Supports JPG and PNG formats.
Organize your digital image library with powerful tagging, web downloading, and duplicate detection. Manage illustrations, screenshots, and reference materials efficiently with offline access and flexible search options.