Home Application is the default screen that appears when you unlock your phone or tablet
Home Application is the main screen you see when you turn on your phone or tablet and unlock it. It is the starting point for everything else you do on the device — it shows your apps, widgets, and shortcuts, and it is where you return when you close other programs. On Android devices, this screen is sometimes called the launcher or home screen. On iPhones and iPads, Apple calls it the home screen.
The Home Application is not a single app you download. It comes built into your device and runs in the background all the time. When you press the home button or swipe up from the bottom of the screen, you are telling your device to show the Home Application. Different manufacturers and different versions of Android use different Home Applications — Samsung phones use Samsung Home, Google Pixel phones use Google Launcher, and so on.
Understanding what the Home Application does helps you organize your device, troubleshoot problems when it stops working, and know what to do if you accidentally change it to something else.
Key Takeaways
- Home Application is the main screen on your phone or tablet that appears when you unlock the device and shows your apps and widgets.
- It is built into your device and runs automatically — you do not download it separately or turn it on.
- Different phone manufacturers use different Home Applications, so the look and feel depend on whether you have a Samsung, Google Pixel, OnePlus, or other brand.
- If your home screen stops responding or looks wrong, you can restart the Home Application or change it to a different one without losing your data.
- You can customize your home screen by moving apps, adding widgets, and changing the background without affecting how the Home Application works.
What the Home Application displays and controls
The Home Application shows your apps in a grid or list, depending on how you set it up. It also displays widgets — small programs that show information without opening the full app, like a weather widget that shows the temperature or a calendar widget that shows upcoming events. The Home Application is what responds when you tap an app icon or swipe between screens.
The Home Application also controls the dock at the bottom of the screen, which usually holds your most-used apps like Phone, Messages, and Camera. It manages the app drawer, which is the full list of all your apps that you can scroll through. When you long-press on an app icon to get a menu of options, that menu is part of the Home Application.
The Home Application does not store your apps or your data — it just displays them and lets you open them. If the Home Application crashes or stops working, your apps and files are still there. You just cannot see them or open them until the Home Application starts working again.
Why your Home Application might stop working
The most common reason the Home Application stops responding is that it has run out of memory or encountered a software glitch. This happens when you have too many apps open at once, when you install a new app that conflicts with the Home Application, or after a software update that does not install cleanly. When this happens, your screen may freeze, apps may not open, or you may see a message saying the Home Application has stopped.
Sometimes the Home Application crashes because a widget is broken or because you installed a third-party launcher that is not working correctly. A launcher is a replacement Home Application — you can install different ones from the app store if you want a different look or feel. If you installed a new launcher and your device is now slow or broken, that launcher may be the problem.
Rarely, the Home Application stops working because of a hardware problem with your device's memory or processor. This is less common and usually only happens on very old devices or devices that have been dropped or damaged.
How to restart the Home Application when it freezes
If your home screen is frozen or not responding, the fastest fix is to restart the Home Application. On most Android devices, go to Settings, then Apps or Application Manager. Look for an app called Home, Launcher, or the name of your phone manufacturer (like Samsung Home or Google Launcher). Tap it, then tap Force Stop. Wait five seconds, then go back to the home screen by pressing the home button or swiping up. The Home Application will restart automatically.
If you cannot find the Home Application in your app list, try restarting your entire device instead. Hold down the power button until you see a menu, then tap Restart or Power Off. Wait for the device to turn off completely, then turn it back on. This restarts the Home Application along with everything else.
On iPhones and iPads, you cannot restart the Home Application separately because Apple does not let you access it the same way. If your home screen is frozen, restart the entire device by holding down the power button and the volume down button together until you see the power-off slider, then slide it to turn off the device.
How to change your Home Application to a different launcher
If you want a different look or feel for your home screen, you can install a different Home Application, called a launcher. Open the Google Play Store or Samsung Galaxy Store, search for "launcher," and you will see options like Nova Launcher, Microsoft Launcher, or Niagara Launcher. Download and install one, then open it. Your device will ask you which Home Application you want to use as the default. Select the new launcher, and your home screen will change immediately.
You can switch back to your original Home Application at any time. Go to Settings, then Apps, then Default Apps or Home App. Tap the current launcher and select your original Home Application from the list. Your home screen will switch back without losing any of your apps or data.
Be careful when installing launchers from sources other than the official app store. Launchers from unknown sources may contain malware or may not work correctly with your device. Stick to launchers from the Google Play Store or your device manufacturer's official app store.
Customizing your home screen without changing the Home Application
You do not need to install a different launcher to change how your home screen looks. You can customize your current Home Application by long-pressing on an empty area of the home screen and selecting Edit, Customize, or Home Settings. From there, you can change the background image, adjust the grid size so apps are larger or smaller, hide the dock, or change the icon style.
You can also move apps around by long-pressing an app icon and dragging it to a new location. You can create folders by dragging one app on top of another. You can add widgets by long-pressing an empty area, selecting Widgets, and dragging a widget onto your home screen. All of these changes happen within your current Home Application and do not affect how it works.
If you want to go back to the default layout, most Home Applications have a Reset or Restore Default option in the settings. This will put all your apps back in their original positions and remove any custom widgets or folders you created.
The difference between Home Application and app drawer
The Home Application is the main screen you see when you unlock your device. The app drawer is the full list of all your apps, usually accessed by swiping up from the bottom of the screen or tapping an icon that looks like a grid of dots. The Home Application shows only the apps you have chosen to put there. The app drawer shows every app installed on your device.
You can have dozens of apps installed but only show ten on your home screen. The apps you do not show on the home screen are still there — they are just in the app drawer. This lets you keep your home screen clean and organized while still having access to all your apps.
Some launchers let you hide the app drawer entirely and show all your apps on the home screen instead. Other launchers let you organize your apps into categories in the app drawer. The Home Application controls how this works and what options are available to you.
Frequently Asked Questions
What happens if I delete the Home Application?
You cannot delete the Home Application because it is a system app that your device needs to work. If you try to uninstall it, you will only see an Uninstall Updates button, which removes recent updates but leaves the original version. If you somehow removed it completely, your device would not work at all and you would need to restart it or do a factory reset.
Can I have more than one Home Application installed?
Yes. You can install multiple launchers from the app store and switch between them whenever you want. Your device will ask you which one to use as the default each time you press the home button. You can also set one as the permanent default so it always opens unless you change it again.
Why does my home screen look different after a software update?
Software updates sometimes change how the Home Application looks or works. The update may have reorganized your apps, changed the icon style, or added new features. You can usually customize it back to how you like it through the home screen settings, or you can install a different launcher if you prefer the old look.
Does restarting the Home Application delete my apps or data?
No. Restarting the Home Application only restarts the screen that displays your apps — it does not touch your apps or any of your files. Everything stays exactly where it is. You might lose any unsaved work in open apps, but your installed apps and personal data remain untouched.
What is the difference between a launcher and a theme?
A launcher is a replacement Home Application that changes how your entire home screen works and looks. A theme is a set of icons, colors, and fonts that changes the appearance of your current Home Application without replacing it. Themes are usually lighter and faster than launchers because they do not replace the whole system.