If you have an Android tablet gathering dust in a drawer at home and you work every day with a laptop or desktop computer, you're wasting enormous potential: You can turn that tablet into an auxiliary monitor for more comfortable work.Both at home and on the go. We're not talking about a makeshift solution, but a rather sophisticated one that, when properly set up, comes very close to the experience of a "real" second monitor.
In recent years, tons of apps and native features have appeared that allow Use a tablet as a secondary screen via WiFi or cable.with good image quality, low latency, and without spending a fortune on new hardware. Plus, it's a great way to reuse old devices (or not so old) and get the most out of them: from cheap Android tablets to iPads, including Samsung tablets with their own features.
Why turn your Android tablet into an auxiliary monitor?
When you hear "monitor," you might think of a large, heavy, and expensive screen with a 27-inch VA or IPS panel and a 144 or 180 Hz refresh rate. But the reality is that You don't always need a traditional monitor to improve your workspaceA simple Android tablet can give you just that extra bit of desktop space you're missing, without taking up so much room or breaking the bank.
Thanks to the technological leap of the last decade, Using a tablet as a second monitor has gone from being a strange experiment to something totally viableEven a budget model can offer more than decent resolution, good portability, and touch features that a standard monitor lacks. And the best part: you can use it with both Windows, macOS, as with other Android devicesdepending on the app you choose.
In what cases is it especially worthwhile? If you often work with many windows, do intensive multitasking, or travel with your laptopA second screen makes all the difference. Being able to access your email, Slack, CRM, a statistics dashboard, or a live chat on your tablet, while leaving your main screen for the "big" task, greatly increases convenience.
Another clear advantage is economic: You can find functional Android tablets starting from around 50 euros (or less if you buy secondhand), and in many cases you already have one lying around unused. Investing in apps, cables, or a small stand is much cheaper than a mid-range monitor, and you still gain a versatile device that you can use for other things.
Advantages and disadvantages of using a tablet as a second screen
Before you start installing things haphazardly, it's a good idea to be clear about the Strengths and limitations of using a tablet as a monitorto adjust your expectations and choose the right method.
key benefits
- Total portability: A tablet is lightweight and fits in any backpack, so you can set up a dual-screen setup in the office, at your parents' house, or in a hotel.
- Cost savings: You reuse a device you already have or buy a cheap tablet instead of an additional desktop monitor.
- More workspace: You can have auxiliary apps open (email, chat, notes, music, metrics panels) without cluttering the main screen.
- Touch screen: Being touch-sensitive, your tablet allows you to interact with the content in another way, ideal for quick notes, zooming, drawing or more agile navigation.
- Connection flexibility: Many solutions work via WiFi, others via USB or USB-C, and some even allow you to access your PC remotely.
Disadvantages and limitations to consider
- Smaller size compared to a classic monitor: although a 10 or 12-inch tablet helps, it is still smaller than a desktop monitor, which can tire your eyes a little if you overuse it.
- Latency and jerks: You'll see this on weak WiFi connections. lags, freezes, or low refresh rateThe cable almost always offers better fluidity.
- Resolution limitations: Some apps or drivers detect the tablet as a generic monitor and capping the resolution (for example, to 1024×768) if you don't have everything properly updated.
- Ergonomics: Tablets are not designed to be fixed monitors, so You'll need good support or a base to avoid awkward necklines and discomfort.
- Battery and heat: If you use it a lot as a wireless monitor, The battery will heat up and drain quickly.Wired connection and moderate brightness help to minimize it.
- Possible distractions: If you leave all your entertainment apps running, your tablet can Get distracted by WhatsApp, social media, and notifications just when you least expect it.
What do you need to use an Android tablet as a monitor?
To set up the whole thing you need three main components: the tablet, the computer, and the connection methodFrom there, everything revolves around the applications that act as a bridge between the two.
Basic hardware and network requirements
- Android Tablet: Ideally, it should have Android 4.1 or higher (most current models easily exceed this), decent screen and stable WiFiThe more modern and with a better panel, the better the experience.
- PC or Mac: almost all solutions support Windows 10 or 11Many also work in Windows 7/8.1 and macOS with the appropriate drivers.
- WiFi network or wired connection: For WiFi, a fast 5 GHz networkFor a cable, you'll need a USB, USB-C, or specific adapter, depending on the app.
Bridge applications
Except for specific cases such as some Samsung tablets or iPads with their own features, You'll need third-party apps on both your computer and tablet.These apps capture the PC's image and transmit it to the tablet's screen (extended or mirrored), generally with support for wireless connection, USB connection, or both.
In addition, some include very interesting extras, such as drawing tablet mode, use of pressure-sensitive stylusFull remote desktop or multi-device support. That's where the difference between free, freemium, and paid options comes in.
WiFi connection vs wired connection
- WiFi: It is the most convenient and universal way. You don't need any special cables or ports.As long as both devices are on the same network. However, if the network is weak or public, you'll notice more lag and pixelation.
- USB/USB-C cable: normally offers More stability, less latency, and a better refresh rateIt's the key option if you want the tablet to truly feel like a conventional monitor, but not all apps support it.
The best apps to turn your Android tablet into a monitor
In the current ecosystem, there are several apps that clearly stand out for using a tablet as an auxiliary monitor. Each has its pros and cons in terms of... price, ease of use, compatibility and performance.
Spacedesk: the free and highly flexible option
Spacedesk is one of the most powerful alternatives if you're looking for something completely free (at least until the end of 2025) and cross-platform within the PC world. It works as a server-driver on your Windows computer and a client app on your Android tablet (or even from a modern browser like Chrome, Edge, Safari, or Firefox).
To use it, You install the Spacedesk driver on your Windows computer and then the app on the tablet. Both devices must be on the same Wi-Fi or LAN network. When you open the application on the tablet, it automatically detects the PC acting as the server, and you just have to tap connect to begin. the computer screen extends or duplicates on your Android.
In real-world tests, It works reasonably well over WiFi.There's a slight lag that can increase if your network isn't great. Connecting via cable significantly improves the performance, although the setup is a bit more complicated. Once connected, you can go to your Windows display settings and decide if you want duplicate, extend, or use only the secondary screen.
Splashtop Wired XDisplay: a wired “real monitor” experience
Splashtop Wired XDisplay is highly rated because It offers fluidity and stability very close to that of a physical monitor.As its name suggests, it only works via cable (USB or USB-C, depending on the device), but precisely for that reason the experience is usually very solid: fewer interruptions, less pixelation, and a very natural feel when moving windows or videos.
The app is a one-time payment (around €7,49 without subscriptionsand offers a trial version with 10-minute sessions to ensure it works well on your device. You'll need to install the Splashtop software on your computer (Windows or Mac), enable USB debugging on your Android tablet, and connect both with a suitable cable. From there, It's almost "plug and play"The system detects the new screen and you can adjust it like any monitor in the display settings.
For many users who have compared several options, Splashtop Wired XDisplay is the most balanced app in terms of quality, fluidity, and price.If you don't mind relying on a cable and want minimal latency, it's a very serious contender.
Duet Display: veteran, multiplatform and also designed for drawing
Duet Display is one of the oldest applications in this field. turn tablets and mobiles into monitorsIt's compatible with Windows and macOS on the computer side, and with Android, iOS, and iPadOS on the client side. It allows both USB and Wi-Fi connections, although the developers recommend a wired connection to avoid lag.
Among its strengths, Duet offers Advanced options such as remote desktop, drawing modes, and using the tablet as a graphics tabletThis makes it very interesting if you want to use a stylus or work with design apps. However, the setup isn't the simplest: you need to create an account, install drivers on Windows, make sure your PC recognizes the tablet correctly, and so on.
The business model is mixed: the download is free, you can unlock one day of use watching one minute of ads And then you have several subscription plans for advanced features. Sometimes, if the drivers aren't up to date, Windows recognizes the tablet as a generic monitor with limited resolution.So it's a good idea to keep everything updated to get the most out of the screen.
SuperDisplay: second screen and graphics tablet at 60 fps
SuperDisplay is very much geared towards those who want Turn an Android tablet into a monitor and, at the same time, a drawing tabletIt runs at 60 fps, supports pen pressure in Windows 10, and allows for very smooth touch input. It's natively compatible with Windows 10 (and many users report that it also works seamlessly on Windows 11).
The model is paid with a free trial: you have 3 days to test it And if you're convinced, you can buy a license (around €8-17 depending on the version and region). To use it, download the app from Google Play on your tablet and the corresponding software on your PC; then connect via USB (or Wi-Fi, although a cable usually works better) and follow the on-screen instructions.
If you work in creative fields, you'll appreciate that It supports pressure-sensitive styluses like Samsung's S Pen. and that it integrates well with programs like Photoshop. For those who draw, illustrate, or edit with a stylus, low latency and a 60 fps response time make a big difference.
Other useful apps: GlideX, Deskreen, and others
Besides the well-known options, there are other interesting alternatives that might be a better fit for your specific situation:
- GlideX (ASUS): ASUS free app that allows extend or duplicate the PC screen on an Android/iOS tablet or mobile device. It works via WiFi, LAN, Bluetooth, or USB. In its standard version, you can connect an additional device at 1080p/60Hz; if your PC is an ASUS, you can reach up to 2K and two devices at the same time.
- Deskreen: browser-based solution that allows you to use any device with a modern browser (including your Android tablet) as a remote display. It's compatible with Windows, macOS, and Linux, and lets you share your entire screen or just a specific application.
- Pitikapp: more thought of as resource monitor and auxiliary panel To view information from your PC while you play games or work. It displays system statistics, graphs, etc., on the tablet, although it can be adapted for other uses.
In addition to these, there are options such as Air Display, iDisplay, or Mac-specific solutions that allow you to extend your desktop to Android tablets and iPads, with different license models and capabilities.
Use your tablet as a monitor using Chrome Remote Desktop
If your idea isn't so much to expand the desktop as Access the PC remotely from the tabletChrome Remote Desktop can get you out of more than one tight spot. It won't give you a true extended screen mode, but it will allow you to View and control your computer from your tablet.Ideal for support, file access, or specific tasks.
The process goes through Install the Chrome Remote Desktop extension on your PCRegister the device with your Google account and then use the Android app to connect. Once set up, you'll be able to see your computer screen on the tablet, use the virtual mouse and keyboard, and access applications as if you were in front of your PC.
It's a free solution, very useful for occasional teleworking, access to the office PC from home, or remote supportHowever, you do depend on a good internet connection at both ends, and the experience isn't as smooth as a wired local desktop extension.
Drawing tablets as multifunction monitors
A separate but very interesting case is that of the drawing tablets with integrated screensuch as the XPPen Artist or similar models. Unlike a normal monitor, these screens are designed for professional digital drawingbut they also serve perfectly as a second work screen.
Its main advantages are a wide size range (from about 11 to 24 inches)Vibrant colors, full pen support with pressure levels, natural strokes, and the ability to use programmable shortcuts. This allows take handwritten notes, draw, sketch ideas, or edit with precision while you see the result in real time.
For example, a model like Artist 24 Pro It offers a huge 23,8-inch working area, a 2K QHD resolution panel and 20 configurable shortcut keysIt's a huge screen for advanced editing, illustration, or video production. Another one like Artist 22 PlusWith a 21,5-inch screen and 16K levels of pressure sensitivity, it targets those transitioning from a physical canvas to a digital one and who want a qualitative leap in color, detail and control.
As for requirements, they usually need Install the manufacturer's driver on your PC or Mac. and connect via cables (HDMI/DisplayPort + USB, depending on the model). Then, in the system display settings, you can decide whether to use it as mirror or extended monitor, and on the tablet panel you choose which monitor you control with the stylus.
Samsung tablets and iPads: when you don't need external apps
Some high-end tablets already come with it as standard. native functions for use as an auxiliary monitorwhich greatly simplifies life if you fit into that ecosystem.
Samsung Galaxy Tab S7/S8 Tablets with Second Screen
If you have a Samsung Galaxy Tab S7 or S8 with One UI 3.1 or higher, you can use the feature Second screen without installing anything elseAll you need is for the Windows PC and the tablet to be connected to the same network.
On the tablet, you pull down the quick settings panel and tap the icon Second screenYou choose the mode (Drawing/Gaming or Video, depending on whether you need lower latency or higher quality) and then, on the Windows PC, you press Win + K to open the wireless projection panel. Select your Galaxy Tab from the list and decide if you want duplicate or extend the screenWith this, the tablet will behave like just another wireless monitor.
iPad as a monitor with Sidecar and third-party apps
In the Apple realm, iPads are in a league of their own when combined with a Mac thanks to Sidecar. This function allows Use your iPad as a second screen for your Mac without additional apps.provided that both devices are relatively recent and are on the same Apple account and network.
Basic setup involves going to System settings > Displays in macOSTap the "+" icon and select your iPad as an extra screen. From there, you can Extend your desktop, use it as a mirror, and take advantage of the Apple Pencil. in many design applications. For mixed users (Windows PC + iPad), apps like Duet Display, Splashtop or iDisplaywhich allow you to get the most out of that high-quality panel even if you don't work with a Mac.
Safety and best practices when connecting your tablet
When you turn your tablet into a monitor, you're often creating remote links or using software that projects your desktop online. It's always a good idea to take some basic safety precautions to avoid unpleasant surprises.
- Enable two-factor authentication provided the app offers it (especially in remote access solutions like Chrome Remote Desktop or classic Splashtop for remote control).
- Avoid public Wi-Fi networks or unencrypted for these types of connections, especially if you handle sensitive data or work with company information.
- Use strong and unique passwords for each service and avoids easily guessed credentials.
- Keep your operating system and apps up to date to benefit from the latest security patches and bug fixes.
- Check the permissions that you give to each application and limit its access only to what is necessary (files, network, screen, etc.).
When does it make sense to use a second screen with a tablet?
Using your Android tablet as an auxiliary monitor is not just a geeky whim: It can greatly improve your daily workflow if you fit it well into your routine.
- Productivity and office: Ideal for having email, Teams/Slack, calendar, notes, or a reference document on the tablet while on the main monitor You write, program, design, or make video calls.
- Photo and video editing: you can leave the timeline, panels or tools on the tablet and the large preview on the main screen, or vice versa, as you prefer.
- Streaming and gaming: Many streamers use the tablet as screen for chat, live statistics or control panels, while the game occupies the main monitor.
- Study and training: you can be viewing an online class or a PDF on the tablet while taking notes on the computer, or vice versa.
- Presentations and teleprompter: the tablet serves as auxiliary screen with scripts or notes that you don't want to be seen in the main projection.
In all these scenarios, you can play with the Windows or macOS modes: mirror screen to show the same thing on both sites, enlarge to have two adjacent desks or use only the second screen if you want to close your laptop and work looking at a tablet or a large external monitor.
Final considerations
Ultimately, the beauty of turning your Android tablet into an auxiliary monitor lies in the fact that with very little money and some setup You can get a dual screen that improves organization, reduces constant window switching, and gives you more control over everything that happens on your PC.
Whether you opt for free solutions like Spacedesk or GlideX, for an ultra-smooth experience with Splashtop Wired XDisplay, or for taking advantage of a Samsung tablet or iPad with native features, the important thing is that you choose the combination that best suits your team, your network and, above all, your actual way of working every day.