204+ iOS apps curated and reviewed
If you already know spacedesk, this is the deeper bench. 204+ usb display 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 | 4.7★ (2.1K) | No | Yes | Aug 2026 |
| 2 |  | Free | — | No | No | Aug 2026 |
| 3 |  | Free | — | No | Yes | Aug 2026 |
| 4 |  | Free | 4.4★ (898) | No | No | Aug 2026 |
| 5 |  | Free | 2.9★ (69) | No | No | Aug 2026 |
| 6 |  | Free | 1.0★ (1) | Yes | No | Aug 2026 |
| 7 |  | Free | 4.4★ (48K) | Yes | Yes | Aug 2026 |
| 8 |  | Free | — | No | No | Aug 2026 |
Extend your Windows PC's desktop to another device wirelessly or via USB. Use your tablet or phone as a drawing tablet or a portable second monitor for travel and productivity.
Transform your iPad or iPhone into a secondary display for your Mac using a USB connection. Enjoy lag-free browsing and video playback, utilize touch gestures like pinch-to-zoom, and enhance multitasking with Split View. This free version offers a 7-minute session limit.
Transform your device into an external monitor for gaming, photography, and video. Connect consoles, cameras, PCs, and more for high-quality HD streaming. Enjoy a portable display and immersive audio experience.
Transform your iPad into a wireless second screen for your Mac. Mirror or extend your desktop with ultra-low latency and native touch controls. Enjoy a cable-free experience without any recurring fees.
Transform your iPad or iPhone into an advanced, lag-free extra display for your Mac or PC. Interact with your computer using touch and gestures, and unlock professional drawing capabilities with Apple Pencil support.
Easily mirror your phone's screen or cast media to your smart TV with a single click. Stream movies, play games, share presentations, and make video calls on a larger display. Connect your phone and TV to the same Wi-Fi network for a seamless experience.
Transform your iPad into a portable monitor or capture device. Streamline content creation and gaming with high-quality recording and customizable settings. Ideal for on-the-go productivity and entertainment.
Transform your iPad or iPhone into a second display for your Mac using a USB connection. Enjoy lag-free browsing and video playback, and control your Mac with touch gestures. Enhance multitasking with Split View and streamline your workflow with features like Drag and Drop and Teleprompter Mode.
Create custom LED-matrix-style messages and display them on your device. Show text, symbols, dates, times, tweets, and music information with various customization options for speed, appearance, and display settings.
Wirelessly cast your iPhone screen to various smart TVs and devices. Stream photos, videos, and music, or cast online content directly to your big screen. Offers a seamless alternative to traditional mirroring solutions.
This app projects navigation and driving information onto your car's windshield. Enhance your night driving experience with speed, clock, weather, and music details displayed directly in your line of sight.
Easily calculate the Pixels Per Inch (PPI) for any screen, from phones to monitors. Input screen dimensions and diagonal size to get an instant PPI result and determine if it qualifies as a Retina Display. You can also search for device information online and save your calculations.
Access and manage files on USB drives directly from your Apple device. Stream music, watch videos, and view photos stored on your USB flash drive. It also facilitates photo synchronization.
Transform your iOS device into a versatile USB mouse, keyboard, and remote. Connects directly via Bluetooth to a separate dongle, offering reliable offline control for various devices without needing Wi-Fi or companion software.
Transform your iPhone into a second monitor for your Mac or PC. Enhance productivity with high-performance display extension and mirroring capabilities. Supports secure wired connections and offers flexible display positioning.
This app acts as a virtual USB drive and file manager for your iPhone and iPad. It allows you to easily view, organize, and share various document types, including Office and iWorks files, as well as media. It also offers cloud integration and secure file protection.
Calculate display settings like DPI and PPI using only screen resolution and diagonal measurements. This straightforward utility tool provides essential display information.