Work · alternatives · 2026

24 alternatives to Spantop: Laptop Display Extender

Turn any Mac/Android Tablet into a real extended monitor

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.

1
Duet Display▲749
Use your iPad as a second display for your Mac
2014 · duetdisplay.com · its alternatives →
2
Luna Display 4.0▲203
Luna Display now turns any Mac into an extra display
2019 · astropad.com · its alternatives →
3
Mountie▲210
Mount a second screen (iPad/iPhone/tablet) to your MacBook
2014 · tenonedesign.com · its alternatives →
4
Use an old tablet as an extra monitor▲281
but only for terminal and curses apps
2023 · github.com · its alternatives →
5
Luna Display▲343
Hardware that turns the iPad into a wireless second display
2018 · shop.astropad.com · its alternatives →
6
SideDisplay▲75
I bought a Tesla Model X in 2023 and kept staring at the 17-inch display sitting idle while I worked on my 14-inch MacBook. I often drive to a quiet spot and work from the car, so I wanted to use that screen as a second monitor. Nothing existed to do this, so I tried building it myself. It took over a year of failed attempts: - Hardware mod: didn't want to void the warranty - Zoom screen share: worked but terrible latency, no fullscreen - HLS streaming via OBS: ~2 second delay, unusable as a monitor - WebRTC: Tesla's browser didn't support it at the time A few Tesla software updates later, I…
Mar 2026 · sidedisplay.co · its alternatives →
7
SideCar Device Connector▲64
Connect your tablet to your laptop for an extra screen
2014 · venostech.com · its alternatives →
8
Mountie+▲164
Connect a second (or third) screen to your laptop
2017 · tenonedesign.com · its alternatives →
9
Duet on Android▲109
Duet display finally comes to Android
2019 · duetdisplay.com · its alternatives →
10
EDGE▲167
The first modular work from home kit
2021 · indiegogo.com · its alternatives →
11
Side Mirror App▲71
Preview what's on your connected displays
2015 · sidemirrorapp.com · its alternatives →
12
Duet Display for Windows▲140
Your iPad as a beautiful extra display, now for Windows
2015 · duetdisplay.com · its alternatives →
13
Tab Display▲2
Turn your tablet into a wireless second display
Nov 2025 · tab-display.enfpdev.com · its alternatives →
14
Astropad▲246
Transform your iPad into a professional graphics tablet
2015 · astropad.com · its alternatives →
15
LightBuddy▲229
Look better on video calls using the screen you already have
Dec 2025 · lightbuddy.app · its alternatives →
16
Vinpok Split▲114
Best on-the-go touch screen monitor
2018 · indiegogo.com · its alternatives →
17
DUO by Mobile Pixels▲114
A second screen for your laptop
2018 · mobilepixels.us · its alternatives →
18
Luna Display 5.0▲200
Turn your iPad into a wireless display, now for Windows
2021 · astropad.com · its alternatives →
19
Displaygo▲93
One shortcut to control your dual monitors instantly
2025 · apps.apple.com · its alternatives →
20
FlexiHub▲81
Connect remote USB devices via Internet or LAN
2016 · flexihub.com · its alternatives →
21
Le Slide▲137
Easily add two more monitors to your laptop 💻
2018 · its alternatives →
22
EasySwitch▲98
One mouse, keyboard and second screen for all your computers
Aug 2026 · easyswitch.realbrain.cc · its alternatives →
23
Displays▲112
The complete toolbox to manage your monitors
2016 · jibapps.com · its alternatives →
24
The Ridge Stand 2▲97
Work, play, and view your Macbook with ease.
2018 · kickstarter.com · its alternatives →

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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →