Comparison

spacedesk vs 3Display

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
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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

3Display

This app allows users to create and display 3D fan art. It offers a platform for showcasing creative 3D models and designs. Explore a gallery of unique fan-made creations.

Highlights
  • 3D fan art creation
  • 3D model display
  • Showcase creative designs
  • Gallery of fan-made creations
Features
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Fan Display

Screenshots

spacedesk4 screens
3Display4 screens

Verdict

The call

The clearest difference is review sentiment: spacedesk at 71% against 3Display's 0%. spacedesk also leads on rating (4.7 vs 2.3) and ratings volume (2.2K vs 3). 3Display's advantage is in-app purchases (none vs 11). On price, update cadence, ads and device support 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. 3Display asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

spacedesk holds the better App Store score, 4.7 against 2.3. That said, the two scores are not equally well evidenced: spacedesk has 2.2K ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 71% of spacedesk's written reviews are positive against 0% of 3Display's.

UpkeepUpdate frequency

spacedesk ships an update every 3 weeks, 3Display every 4 weeks. The most recent releases landed on October 15, 2026 and September 30, 2026 respectively.

Scorecard6 real differences · 4 level
spacedesk versus 3Display: the parameters behind the verdict, then further details
Parameterspacedesk3Display
PriceFreeFree
Rating4.7 (2.2K ratings) — better2.3 (3 ratings)
Positive reviews71.2% of reviews — better0.0% of reviews
Number of ratings2.2K — better3
Update frequencyEvery 3 weeks — betterEvery 4 weeks
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS9.3 — better15.0
Further details — not scored
Size17 MB73 MB
Age rating4+4+
Developerdatronicsoft Technology GmbH华胜 张

Customer experience

spacedesk

All ratings2,195 ratings
Positive94.8%
Neutral1.2%
Negative4.0%
Written reviews897 reviews
Positive71.2%
Neutral7.2%
Negative21.5%

3Display

All ratings3 ratings
Positive33.3%
Neutral0.0%
Negative66.7%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

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

3Display

No in-app purchases

Questions

Is spacedesk free?
spacedesk is free to download, with in-app purchases available.
Is 3Display free?
3Display is free to download, with no in-app purchases.
Which has better reviews, spacedesk or 3Display?
spacedesk is rated higher. spacedesk averages 4.7 out of 5 from 2.2K ratings, while 3Display averages 2.3 from 3 ratings.
Do spacedesk or 3Display have ads?
Neither spacedesk nor 3Display shows ads.
Which is updated more often, spacedesk or 3Display?
spacedesk ships an update every 3 weeks, and 3Display every 4 weeks. Most recently, spacedesk was updated on October 15, 2026 and 3Display on September 30, 2026.

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