Splashtop Wired XDisplay is the quiet, free way to turn an iPad or Android tablet into a second monitor over USB. The agent runs on Windows or macOS, the companion app runs on the tablet, you connect a cable, and the tablet becomes a 1080p extended display. No Wi-Fi, no latency drama, no monthly fee. The trade-offs are real. The cable is mandatory. The free version caps frame rate and resolution. There is no host-side option for going wireless. People searching for Splashtop Wired XDisplay alternatives usually want one of three things: cordless flexibility, higher resolution and frame rate, or a tighter integration on macOS or iPad.
We tested seven Splashtop Wired XDisplay alternatives for desktop in 2026 across both connection styles (wired and wireless) and both ecosystems (Windows-first and Apple-first).
Quick comparison
| App | Best for | Connection | Price |
|---|---|---|---|
| spacedesk | Free wireless | Wi-Fi or wired | Free |
| Duet Display | Polished paid all-rounder | Wired or wireless | Subscription |
| Sidecar | Apple-only built-in | Wireless or USB | Free (Apple ecosystem) |
| Luna Display | Hardware-assisted Mac | Wireless via dongle | Paid (hardware) |
| Deskreen | Open-source mirror to any device | Wireless, browser-based | Free, open source |
| SuperDisplay | Android-as-Wacom-tablet | USB | Paid |
| Astropad Studio | Drawing-grade iPad display | Wired or wireless | Subscription |
Why Splashtop Wired XDisplay users start looking around
The forum and Reddit complaints are predictable. The USB cable is the whole point but also the limiting factor, every time you want to move the tablet, you trip on it. The companion app on iPad and Android requires the host agent, and version mismatches occasionally make the connection refuse to handshake until both ends update.
Frame rate caps in the free tier matter for users who want to actually work on the tablet display rather than glance at it. The paid upgrade ($2.99 in some regions) raises the cap, but at that point a one-tier-paid product like Duet Display starts looking competitive.
Apple users have a different complaint: Sidecar is free, built into macOS, and just works. Splashtop’s value disappears the moment a user owns a recent Mac and iPad.
spacedesk
The most-recommended free Splashtop alternative in 2026. Runs over Wi-Fi (or USB tethering, or Ethernet) and supports iPad, Android tablet, Windows laptop, or even a phone as a secondary display. Latency on a good Wi-Fi 6 network is usable.
Where it falls short: Wireless only, performance depends on network quality. Pen pressure support is limited compared to drawing-grade tools.
Pricing: Free for personal use.
Vs Splashtop Wired XDisplay: spacedesk wins on flexibility. Splashtop wins on consistent latency thanks to USB.
Download: spacedesk.net
Duet Display
The polished paid all-rounder. Started life on iPad, now supports Android and works wired or wireless. Frame rate and resolution scale further than Splashtop’s free tier. Best general-purpose paid pick.
Where it falls short: Subscription model. Some users feel the price step from free Splashtop to paid Duet is not justified for casual use.
Pricing: Subscription, ~$24.99/year for Duet Air or similar tiers depending on platform.
Vs Splashtop Wired XDisplay: Duet is the upgrade. Better frame rates, more features, paid.
Download: duetdisplay.com
Sidecar
Apple’s built-in Mac-to-iPad screen extension, free with macOS Catalina and later. Supports wireless and USB, integrates with Apple Pencil natively, and uses the same drawing layer apps already understand on macOS.
Where it falls short: Apple-only. The Mac and iPad both need to be on recent OS versions. No Windows or Android support.
Pricing: Free, part of macOS.
Vs Splashtop Wired XDisplay: Sidecar wins if you live in Apple. Splashtop wins everywhere else.
Download: Built into macOS (System Settings > Displays).
Luna Display
A small USB-C dongle plus app that turns an iPad or Mac into a dedicated second display for a Mac (or Windows PC). Hardware-assisted, so latency and image quality are more consistent than software-only wireless tools.
Where it falls short: Paid hardware (the dongle is ~$129). Apple-first; Windows support is more limited.
Pricing: Hardware purchase, $129+ for the dongle.
Vs Splashtop Wired XDisplay: Luna’s hardware path gives smoother performance. Splashtop is free with no purchase.
Download: lunadisplay.com
Deskreen
An open-source desktop screen-mirroring tool that streams to any device with a modern web browser. Treats screens as broadcastable streams, so any tablet, laptop, or phone with a browser can be a viewer.
Where it falls short: Mirror-only, not true extended display. Frame rate ties to the browser’s video decoder.
Pricing: Free, open source.
Vs Splashtop Wired XDisplay: Deskreen is browser-based and broadcasts to anything. Splashtop runs a dedicated app for a tighter experience.
Download: deskreen.com
SuperDisplay
A wired-USB Android-as-display tool with pressure-sensitive pen support, marketed at users who want to use an Android tablet as a budget Wacom alternative. Tighter integration than Splashtop for stylus workflows.
Where it falls short: Paid. Android-only on the tablet side. No iPad version.
Pricing: Paid one-time license, free trial.
Vs Splashtop Wired XDisplay: SuperDisplay is the right pick if you want to draw with a stylus and have an Android tablet.
Download: getsuperdisplay.com
Astropad Studio
The drawing-grade premium tier from the Luna Display team. Made for serious illustrators and designers using an iPad as a precise drawing surface for Mac apps (Photoshop, Procreate alternatives, ZBrush). Color accuracy and pen feel are best in class.
Where it falls short: Subscription, and the highest price in this list. Niche to creative pros.
Pricing: Subscription, ~$11.99/month.
Vs Splashtop Wired XDisplay: Astropad Studio is overkill unless you draw professionally. Splashtop is fine for spreadsheets and Slack.
Download: astropad.com
How to choose
Pick spacedesk if cordless flexibility matters more than a perfectly stable frame rate and Splashtop’s USB cable bothers you.
Pick Duet Display if you want the paid upgrade from Splashtop with better frame rates and more polish.
Pick Sidecar if you have a recent Mac and iPad and have not tried it yet.
Pick Luna Display if you want hardware-assisted reliability for a Mac second-display setup.
Pick SuperDisplay or Astropad Studio if you want to draw on the tablet rather than just extend the screen.
Stay on Splashtop Wired XDisplay if free, wired, and reliable is the actual combination you want. For its price (zero) it is still the most credible option.
FAQ
Is Splashtop Wired XDisplay free?
Yes, the personal-use version with a basic frame rate cap is free. Some regions offer a paid HD upgrade.
Does Wired XDisplay work wirelessly?
No, that is the design choice. It is USB-only to keep latency tight. Splashtop’s other products handle wireless.
Can I use an iPad as a Mac second display without Splashtop?
Yes. Sidecar is built into macOS and free.
What is the best free Splashtop alternative?
spacedesk for wireless. Sidecar if you live in Apple.
Does Duet Display still need a cable?
It supports both wired (Duet) and wireless (Duet Air). Wired remains the lower-latency option.
