How to Log Out of the Facebook App on Any Device
Logging out of Facebook sounds simple — and it is, once you know where to look. But the steps vary depending on whether you're on an iPhone, Android, or accessing Facebook through a mobile browser. And the decision of when and why to log out matters more than most people realize.
Why Logging Out of Facebook Actually Matters
Facebook keeps you logged in by default to make the app faster and more convenient. But staying logged in on every device, all the time, isn't always the right call. Shared devices, lost phones, and privacy concerns are all legitimate reasons to sign out.
When you're logged in, Facebook can track your activity, sync your data, and receive notifications. Logging out stops that session — though it doesn't delete your account or uninstall the app.
How to Log Out of the Facebook App on iPhone (iOS) 📱
The logout option in Facebook's iOS app is buried a few layers deep:
- Open the Facebook app
- Tap the three horizontal lines (hamburger menu) in the bottom-right corner
- Scroll down to the bottom of the menu
- Tap "Log Out"
Facebook may ask if you want to save your login information. If you're on a shared device, choose "Not Now" — otherwise your credentials stay saved for the next person who opens the app.
How to Log Out of the Facebook App on Android
The process on Android is nearly identical, with one small difference in menu placement:
- Open the Facebook app
- Tap the three horizontal lines in the top-right corner
- Scroll to the very bottom of the menu
- Tap "Log Out"
The same prompt about saving your login may appear. On personal devices, saving your login is convenient. On shared or work devices, it's a security risk worth avoiding.
How to Log Out of Facebook on a Mobile Browser
If you're using Facebook through Safari, Chrome, or another mobile browser rather than the app, the logout path is slightly different:
- Tap the downward arrow or your profile icon in the top-right corner
- Scroll down and select "Log Out"
Mobile browser sessions are separate from app sessions — logging out of one doesn't affect the other.
How to Log Out of Facebook on All Devices at Once 🔐
If you've lost a device, suspect unauthorized access, or just want a clean slate, Facebook lets you sign out of all active sessions remotely:
- Go to Settings & Privacy → Settings
- Tap "Password and Security"
- Select "Where You're Logged In"
- Tap any active session to remove it, or use "Log Out of All Sessions"
This is one of the most useful security features Facebook offers. It ends every active login — including old browsers on computers you no longer use.
Key Variables That Affect Your Experience
Not everyone's logout experience looks the same. A few factors change the specifics:
| Variable | How It Affects Logout |
|---|---|
| App version | Older versions may have slightly different menu layouts |
| iOS vs Android | Menu icon placement differs (bottom vs top-right) |
| App vs browser | Two separate sessions — both may need to be ended |
| Saved credentials | Saving login info means fast re-login but reduced security on shared devices |
| Multiple accounts | Facebook supports account switching; logging out of one doesn't log out all |
The Multiple-Account Wrinkle
Facebook allows users to add and switch between multiple accounts within the same app. If you have more than one account linked, logging out only signs out the currently active account unless you manually log out of each one. This catches people off guard — especially if you manage a personal account and a business page under different logins.
To check whether other accounts are still active, look at the account-switcher section at the top of the menu panel.
What Logging Out Does — and Doesn't Do
It's worth being clear about what logout actually accomplishes:
- ✅ Ends your active session on that device
- ✅ Stops push notifications (until you log back in)
- ✅ Prevents casual access if someone else picks up the device
- ❌ Does not delete your account or data
- ❌ Does not remove the app or its cached data
- ❌ Does not stop Facebook from functioning if login credentials are saved
If your concern is deeper than just ending a session — say, you want to prevent data collection or remove access entirely — logging out is only one piece of that process.
When Your Setup Determines the Right Move
For most people on a personal phone with no shared access, staying logged in is fine and convenient. For anyone using a shared tablet, a work phone, or a device they're about to sell or hand off, logging out (and clearing saved credentials) is the safer choice.
Whether you need to log out of one device, several, or all of them at once depends entirely on your situation — how many devices you use Facebook on, whether those devices are private, and what level of session control you actually need.