What blocking an app actually does
Blocking an app means preventing it from running, sending notifications, or accessing certain features on your device. The blocked app stays installed — you are not removing it — but it cannot open, cannot send you messages, and cannot use your camera, location, or contacts unless you unblock it later.
The reason to block differs by device and situation. You might block a work app so it cannot notify you after hours. You might block a social media app to reduce distractions. You might block an app a family member installed so a child cannot use it. On Android, you can block calls and texts from specific apps. On iPhone, blocking works differently depending on whether you want to stop notifications, prevent opening, or restrict what the app can see.
Blocking is temporary and reversible. Unblocking takes the same steps in reverse. Nothing is deleted, and the app remembers your settings if you unblock it later.
Key Takeaways
- On Android, you block apps through Settings > Apps, where you can force-stop them or disable notifications without removing them from your phone.
- On iPhone, you cannot fully block an app from opening, but you can remove it from your home screen, turn off notifications, and restrict what it can access through Screen Time.
- On Windows, you can uninstall an app or use parental controls to prevent it from running, depending on your account type and Windows version.
- Blocking an app does not delete it or your data within it — the app remains installed and can be unblocked at any time.
Blocking an app on Android
On Android phones, open Settings and scroll to Apps (sometimes labeled Applications or App Management — the exact name varies by manufacturer). Find the app you want to block in the list. Tap it to open its details page.
You have two main options here. If you want to stop the app from running but keep it installed, tap Force Stop. This closes the app when ready and prevents it from running in the background. The app will not send notifications until you manually open it again. If you want to prevent the app from being opened at all, tap Disable (available only for some apps, usually pre-installed ones). If Disable is grayed out, the app cannot be disabled through this method.
To stop notifications without blocking the app entirely, go back to the app details page and tap Notifications. Toggle off Allow Notifications. The app will still run, but you will not see alerts from it.
Blocking an app on iPhone
iPhone does not have a single "block app" button like Android. Instead, you use a combination of methods depending on what you want to prevent. If you straightforward want to stop seeing an app, press and hold its icon on your home screen, tap Remove App, then choose Remove from Home Screen. The app stays installed but disappears from view — you can still find it by searching or in the App Library.
To turn off notifications, open Settings, tap Notifications, find the app in the list, and toggle off Allow Notifications. The app will still work, but it cannot send you alerts.
If you need stronger control — for example, to prevent a family member from opening an app — use Screen Time. Open Settings, tap Screen Time, then App Limits. Select the app and set its limit to zero minutes. Once the limit is reached, the app cannot open without a Screen Time passcode. This method works best when you set a passcode that only you know.
Blocking an app on Windows
On Windows 10 or 11, the simplest way to prevent an app from running is to uninstall it. Open Settings, go to Apps, find the app, and click Uninstall. This removes the app entirely, though you can reinstall it later from the Microsoft Store or the publisher's website.
If you want to keep the app installed but prevent someone else from opening it, use Parental Controls (if you have a child account set up) or User Account Control. Right-click the app's shortcut or executable file, select Properties, click the Security tab, and change permissions so that the user account you want to restrict cannot run it. This requires administrator access and works best when you have separate user accounts on your computer.
Blocking an app on Mac
macOS does not have a built-in app blocking feature for your own account. The simplest approach is to move the app to the Trash. Click the app in Finder, drag it to Trash, and empty the Trash. You can reinstall it later if needed.
If you want to prevent someone else from opening an app on a shared Mac, create a separate user account for that person with restricted permissions. Open System Settings, go to General > Users & Groups, and set up a Standard or Managed account. You can then control which apps that account can access, though this requires administrative access.
What happens when you block an app
A blocked app cannot run in the background, send notifications, or use your device's features like the camera or location. However, the app's data remains on your device. If you unblock it, your saved passwords, messages, photos, and settings within that app are still there.
Blocking does not affect other apps or your device's overall performance. If you block a messaging app, other apps can still send notifications. If you block a social media app, your internet connection and other apps work normally.
Some apps may behave unexpectedly if blocked. For example, a calendar app that is force-stopped will not remind you of events. A banking app that is disabled cannot send security alerts. Think through what the app does before blocking it, especially if it serves a function you rely on.
Unblocking an app
To unblock an app on Android, open Settings > Apps, find the blocked app, and tap Enable (if you disabled it) or straightforward open the app normally (if you force-stopped it). The app will resume running and sending notifications as before.
On iPhone, remove the app limit in Screen Time by opening Settings > Screen Time > App Limits, finding the app, and tapping Delete Limit. Or add the app back to your home screen by searching for it and tapping the plus icon.
On Windows or Mac, reinstall the app from the Microsoft Store, Apple App Store, or the publisher's website if you uninstalled it. If you restricted permissions, change them back through the same Properties or Users & Groups settings.
Frequently Asked Questions
Can I block an app from using my camera or location without blocking the whole app?
Yes, on both Android and iPhone. Open Settings, find Privacy or Permissions, select the feature (Camera, Location, Microphone), and toggle off access for that specific app. The app will still run and send notifications, but it cannot use that feature.
If I block an app, will the person who sent me a message know?
No. Blocking an app on your device is invisible to other people. They will not receive a notification that you blocked it. Messages they send may still arrive on their end, but you will not see them if notifications are off.
Does blocking an app free up storage space on my phone?
No. Blocking keeps the app installed, so it uses the same storage. If you want to free up space, you must uninstall the app instead. Uninstalling removes the app and its data from your device.
Can I block an app from running at a specific time, like after 9 PM?
On iPhone, yes — use Screen Time and set Downtime to block all apps during certain hours, or set individual app limits. On Android, some phones have a Digital Wellbeing feature that lets you set app timers. On Windows and Mac, you would need third-party software or parental controls to schedule app blocking.
What is the difference between blocking and uninstalling an app?
Blocking stops an app from running or notifying you but keeps it installed with all your data inside. Uninstalling removes the app and its data from your device entirely. You can unblock an app anytime, but reinstalling requires downloading it again.