What blocking an app actually does
Blocking an app means preventing it from running, sending notifications, or accessing your data — without deleting it from your device. The blocked app stays installed but becomes inactive. You can unblock it later if you change your mind.
The method depends on what you're trying to stop. You might block notifications so an app can't interrupt you. You might block an app's access to your camera or location so it can't use those features. Or you might block the app entirely so it won't launch at all. Each approach works differently on Android, iPhone, Windows, and Mac.
Blocking is different from uninstalling. When you uninstall, the app is gone. When you block, it's still there — just prevented from doing what you don't want it to do.
Key Takeaways
- Blocking an app stops it from running or sending notifications, but the app remains installed on your device.
- On Android, you can disable apps through Settings, turn off notifications per app, or restrict permissions like camera and location.
- On iPhone, you can only block notifications and restrict app permissions — you cannot fully disable an app without deleting it.
- On Windows and Mac, you can uninstall apps, disable startup programs, or use parental controls to block access.
- The steps are different for each device type, so the method you use depends on what operating system you have.
How to block an app on Android
Android gives you the most control. You can disable an app entirely, turn off its notifications, or restrict what it can access.
To disable an app completely: Open Settings, go to Apps (or process Manager), find the app you want to block, tap it, and select Disable or Force Stop. The app will no longer run or send notifications. Some apps that came with your phone cannot be disabled — only uninstalled — but most third-party apps can be disabled this way.
To block notifications only: Open Settings, go to Apps, find the app, tap Notifications, and toggle off "Allow notifications." The app can still run in the background, but it won't interrupt you with alerts.
To block an app's access to specific features: Open Settings, go to Apps, find the app, tap Permissions, and turn off access to Camera, Location, Microphone, Contacts, or other features you don't want it to use. The app will still run, but it cannot use those parts of your phone.
How to block an app on iPhone
iPhone does not let you disable apps the way Android does. You cannot fully block an app without deleting it. However, you can stop it from bothering you.
To block notifications: Open Settings, go to Notifications, find the app, and toggle off "Allow Notifications." You can also choose to let it send notifications silently, so they appear in your notification center but don't make sounds or light up your screen.
To block an app's access to features: Open Settings, scroll down to find the app name, tap it, and turn off access to Camera, Microphone, Location, Contacts, Photos, or other features. The app cannot use those features even if it tries.
To prevent an app from running at all, you must delete it. Open the App Store, go to your profile, find the app under "Purchased," tap it, and select "Remove from iPhone." You can reinstall it later from the App Store without paying again if it was free or if you bought it before.
How to block an app on Windows
Windows does not have a built-in "block app" feature like Android does. Instead, you uninstall apps you don't want, or you prevent them from running at startup.
To uninstall an app: Open Settings, go to Apps, find the app in the list, click it, and select Uninstall. Follow the prompts. The app is removed from your computer.
To stop an app from running when Windows starts: Open Task Manager (press Ctrl + Shift + Esc), go to the Startup tab, find the app, right-click it, and select Disable. The app will no longer launch automatically when you turn on your computer, but you can still run it manually if you open it yourself.
To block an app for a specific user account: Open Settings, go to Accounts, select Family & other users, choose the account, and click Parental controls. You can set restrictions on which apps that user can run. This works only if you are the administrator of the computer.
How to block an app on Mac
Mac does not have a native app-blocking feature. You can uninstall apps or use parental controls if you have multiple user accounts.
To uninstall an app: Open Finder, go to Applications, find the app, and drag it to the Trash. Empty the Trash to remove it completely. Some apps come with an uninstaller — double-click it instead of dragging to Trash.
To block an app for a specific user: Open System Settings, go to General, select Parental Controls (or Family Sharing, depending on your macOS version), choose the user account, and restrict which apps they can open. This only works if you are the administrator and the other person has a separate user account.
To prevent an app from running at startup: Open System Settings, go to General, select Login Items, find the app under "Allow in the next login" or "Open at Login," and click the minus button to remove it.
When to block instead of uninstall
Block an app when you might want to use it again but don't want it running right now. For example, block notifications from a game so it stops interrupting your work, but keep the game installed so you can play it later. Or block an app's access to your location because you don't trust it with that data, but still want to use the app for other things.
Uninstall an app when you don't plan to use it anymore and want to free up storage space. Uninstalling removes the app entirely, so you save the disk space it was using. Blocking keeps the app on your device, so it still takes up storage.
If an app is misbehaving — crashing, draining your battery, or running slowly — try disabling it first. If that fixes the problem, you know the app was the cause. Then you can decide whether to uninstall it or re-enable it and try a different approach, like clearing its cache or updating it.
What happens to your data when you block an app
Blocking an app does not delete any data it created. If you block a messaging app, your old messages stay on your phone. If you block a photo editor, your edited photos remain. The data just sits there until you unblock the app or uninstall it.
If you uninstall an app, the app itself is removed, but some data may remain. On Android, you can choose to delete the app's data when you uninstall it, or keep it in case you reinstall later. On iPhone, uninstalling an app also removes most of its data, though some information may sync back if you reinstall and sign in with the same account.
Blocking an app's access to a feature — like location or camera — does not erase any data the app already collected. It only stops it from collecting more. If you want to erase what it already has, you usually need to go into the app's settings or uninstall it.
Frequently Asked Questions
Can I block an app so only certain people can use it?
Yes, if you have multiple user accounts on Windows or Mac. Use parental controls to restrict which apps a specific user can open. On Android and iPhone, you can use Screen Time (iPhone) or Digital Wellbeing (Android) to set time limits on apps, but not to block them entirely for one user.
If I block an app, can it still run in the background?
It depends on how you block it. On Android, disabling an app stops it completely. Turning off notifications lets it run but silences alerts. On iPhone, blocking notifications lets the app run in the background — you just won't see alerts. If you want to stop background activity, you must delete the app.
Will blocking an app make my phone faster?
Only if the app was actively running and using resources. Blocking notifications or permissions does not speed up your phone much. Disabling an app on Android can help if that app was draining battery or using memory. Uninstalling is more effective than blocking if speed is your goal.
Can I block an app temporarily and then unblock it?
Yes. On Android, you can disable an app and re-enable it anytime through Settings. On iPhone, you can turn notifications back on or restore permissions. On Windows and Mac, you can uninstall and reinstall, or disable startup programs and re-enable them later.
What's the difference between blocking and restricting an app?
Blocking usually means preventing an app from running at all. Restricting means limiting what it can do — like blocking its access to your camera or location, or limiting how much time you spend in it. Both keep the app installed, but restricting is more selective about what you're preventing.