Comparison

spacedesk vs Luna Display

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

spacedesk

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.

Highlights
  • Windows desktop extension
  • Screen mirroring
  • Remote desktop viewer
  • Drawing tablet functionality
  • Wireless display monitor
  • USB display monitor
  • Remote control
Features
Read full description

Windows computer desktop extension, mirroring and remoting tool for WiFi, USB or LAN. Supports applications like: - Screen Cast (to television, tablet or smart phone) - Desktop Remoting Viewer (over USB and Local Area Network) - Drawing Tablet (drawing and painting with digitizer pen) - Wireless Display Monitor (similar to Miracast, RDP, AirPlay and Sidecar) - USB Display Monitor (similar to DisplayLink) - Remote Access (over USB link, WiFi and LAN) - Remote Control (wireless and wired) - Screen Streaming (including audio) - Screen Mirroring (over the air and via cable) - Screen Cloning - Extension Screen - Windows Desktop Workspace Extension - Windows Desktop Duplication (clone) - Windows Desktop Streaming - Personal Computer Desktop Presenter - Virtual Monitor for Desktop PC - Second Display On The Go - TV, mobile or tablet screen as Side by Side Display - Alternative to Miracast, AirPlay and Sidecar - Portable Multimonitor Screen for Travel - Access main computer from mobile device - Software KVM-Switch (Keyboard Video Mouse) - Software Display Hub - Software Display Switch - Projector Screen Viewer - Input Console - Input Terminal - Tablet Input Device - Windows Graphics Tablet App - Windows Tablet as sketchbook for drawing artwork - Creative Video Wall App - Video Wall w. Any Angle Rotation Instruction manual, documentation and detailed setup: https://manual.spacedesk.net Quick Guide: 1. Install spacedesk DRIVER software for Windows Primary PC. Download from: https://www.spacedesk.net 2. Install this spacedesk Viewer app for iOS. 3. Open this spacedesk Viewer app and connect to Windows Primary PC. Connection: USB or LAN (Local Area Network). LAN: Driver and Viewer must be on the same network - via Mobile Hotspot Note: Does NOT need internet connection! The Windows Primary Machine running spacedesk Driver... ...supports Windows 11, Windows 10 or Windows 8.1. Apple Macs are not supported. Dual monitor and multi monitor configurations are supported. Needs spacedesk drivers installed. Download: https://www.spacedesk.net The Secondary Machine or Device (iOS network display client)... ...is an iPad, iPhone or device running the spacedesk iOS app. The wireless and wired cable connection... ...connects Windows Primary Machine to Secondary Machine or Device over USB, LAN (Local Area Network e.g. Ethernet) and/or WLAN (Wireless Local Area Network). Local Area Network connection can be wired or over WiFi. TCP/IP network protocol is required. More information on: https://www.spacedesk.net Instruction Manual: https://manual.spacedesk.net/ Support Forum: https://forum.spacedesk.net/ Facebook: https://www.facebook.com/pages/spacedesk/330909083726073 Youtube: https://www.youtube.com/watch?v=YkWZSwBD-XY — LIGHTNING FAST — To achieve unparalleled performance and display quality with zero lag, use cable connection over USB or Local Area Network. Try to circumvent WiFi and network routers. E.g. configure Windows PC or iOS device as WiFi Access Point (Hotspot) and connect directly before connecting spacedesk. Please check chapter "Performance Tuning" in the instruction manual: https://manual.spacedesk.net — REMOTE CONTROL INPUT AND OUTPUT PERIPHERAL ACCESSORIES — - Touchscreen (multitouch and single touch - Touchpad - Mouse Pointer Control - Keyboard - Pressure Sensitive Stylus Pen - Audio Speaker — SETTINGS AND OPTIONS — - Landscape View - Portrait View — SYSTEM SUPPORT — Supported are iOS versions 11.x+ (including MacOS on Apple Silicon Chips) and PCs with Windows 11, Windows 10 and Windows 8.1. Apple Macs are not supported.

About

Luna Display

Transform your iPad into a wireless second display for your Mac or PC. This hardware-enabled solution offers low latency and high image quality, supporting touch gestures and Apple Pencil for a seamless extension of your computer's capabilities.

Highlights
  • Wireless second display for Mac/PC
  • Supports touch and Apple Pencil
  • Low latency performance
  • Mix and match devices (PC-to-iPad, Mac-to-iPad)
  • Headless mode for Mac mini/Pro
  • Connect via Wi-Fi or USB
Read full description

Turn your iPad into a wireless second display for Mac or PC. Purchase hardware at www.lunadisplay.com — available for USB-C, HDMI, and Mini DisplayPort. MIX AND MATCH DEVICES Luna Display seamlessly extends your computer to another screen. Make the most of your devices with Luna Modes: · PC-to-iPad · Mac-to-iPad · Mac-to-Mac · Headless Mode (for Mac Pro and Mac mini) SETS UP IN SECONDS Simply plug Luna into your computer, launch the Luna apps, and you’re off and running. Hardware is available for purchase at lunadisplay.com. DESIGNED FOR HEAVY-DUTY WORK Luna's hardware ensures compatibility with any desktop app, delivering stunning image quality and low latency performance at 16ms. You get all the reliability of a traditional monitor, with the flexibility of your iPad. CONNECT OVER WIFI OR USB Luna was designed from the very beginning to work wirelessly. Your devices will automatically connect if they’re on the same WiFi network. And if WiFi isn’t available, you can also connect your devices over USB. FULL TOUCH SUPPORT AND GESTURES Luna Display acts as a complete extension to your computer, with full support for: · External keyboards · Apple Pencil · Touch interactions (pinch, pan, zoom, tap) SYSTEM REQUIREMENTS · Primary PC: Microsoft Windows 10 64-bit, Build 1809 or later · Primary Mac: macOS 10.13 (El Capitan) or later · Secondary iPad: iOS 12.1 or later · Secondary Mac: macOS 10.13 (El Capitan) or later FOR ARTISTS: WORKS WITH ASTROPAD Luna fully integrates with our award-winning drawing software Astropad Studio. Luna extends Astropad Studio to create a fully customizable drawing tablet on your iPad. With Luna, your art is no longer limited by the size of your computer display. THE POWER OF OUR LIQUID TECHNOLOGY Using our proprietary LIQUID Technology, Luna Display provides crystal clear image quality, reliable performance, and wireless flexibility. · Uncompromised image quality · Lag-free performance at 60 frames per second · GPU acceleration, so your computer stays fast and optimized · Hand optimized ARM & x86 assembly to maximize battery life · Velocity Control, which analyzes network conditions dozens of times per second PRESS · “Luna’s visual fidelity is frankly stunning” — TechCrunch · “Luna will change your travel workflow” — iMore · “For the first time a wireless solution has impressed us” — Apple Insider GET IN TOUCH · Support: support@astropad.com · Instagram: @astropadco · Twitter: @astropad · Facebook: facebook.com/astropadco

Screenshots

spacedesk4 screens

Verdict

The call

The clearest difference is in-app purchases: Luna Display at none against spacedesk's 11. spacedesk's advantage is update cadence (every 3 weeks vs every 2 months) and device support (3 vs 1). On price, rating, review sentiment and ratings volume there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. spacedesk sells 11 one-off in-app purchases. Luna Display asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.7 for spacedesk against 4.8 for Luna Display. Both are backed by a comparable volume of ratings — 2.2K and 4K respectively. Written reviews are what separate them: 71% of spacedesk's written reviews are positive against 76% of Luna Display's.

UpkeepUpdate frequency

spacedesk ships an update every 3 weeks, Luna Display every 2 months. The most recent releases landed on September 23, 2026 and September 22, 2026 respectively.

Scorecard5 real differences · 5 level
spacedesk versus Luna Display: the parameters behind the verdict, then further details
ParameterspacedeskLuna Display
PriceFreeFree
Rating4.7 (2.2K ratings)4.8 (4K ratings) — better
Positive reviews71.3% of reviews76.3% of reviews — better
Number of ratings2.2K4K — better
Update frequencyEvery 3 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases — betterPaid
DevicesiPhone, iPad, iPod — betteriPad
Requires iOS9.3 — better12.1
Further details — not scored
Size17 MB67 MB
Age rating4+4+
Developerdatronicsoft Technology GmbHAstro HQ

Customer experience

spacedesk

All ratings2,167 ratings
Positive94.7%
Neutral1.2%
Negative4.1%
Written reviews895 reviews
Positive71.3%
Neutral7.3%
Negative21.5%

Luna Display

All ratings3,900 ratings
Positive97.3%
Neutral1.3%
Negative1.4%
Written reviews283 reviews
Positive76.3%
Neutral4.9%
Negative18.7%

Bugs and requests

spacedesk

Not enough reviews yet to summarise bugs or requests.

Luna Display

Reported bugs

3 issues
  • No full screen on iPadOS 18.2 external displays.
  • Does not work anymore
  • Cannot pair with windows PC

Requested features

4 requests
  • Portrait mode
  • Locked cursor support
  • Magic Keyboard Support
  • Automatic login in headless mode

In-app purchases

11 purchases

spacedesk

One-time11
  • Business License: 46-50 Conn.$9.00
  • Business License: 41-45 Conn.$18.00
  • Business License: 1 connection$19.00
Show 8 more
  • Business License: 36-40 Conn.$25.00
  • Business License: 31-35 Conn.$35.00
  • Business License: 26-30 Conn.$45.00
  • Business License: 21-25 Conn.$50.00
  • Business License: 16-20 Conn.$59.00
  • Business License: 11-15 Conn.$60.00
  • Business License: 6-10 Conn.$70.00
  • Business License: 2-5 Conn.$79.00
None

Luna Display

No in-app purchases

Questions

Is spacedesk free?
spacedesk is free to download, with in-app purchases available.
Is Luna Display free?
Luna Display is free to download, with no in-app purchases.
Which has better reviews, spacedesk or Luna Display?
Luna Display is rated higher. spacedesk averages 4.7 out of 5 from 2.2K ratings, while Luna Display averages 4.8 from 4K ratings.
Do spacedesk or Luna Display have ads?
Neither spacedesk nor Luna Display shows ads.
Which is updated more often, spacedesk or Luna Display?
spacedesk ships an update every 3 weeks, and Luna Display every 2 months. Most recently, spacedesk was updated on September 23, 2026 and Luna Display on September 22, 2026.

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