You can secure your Mac with a password or Touch ID, but what happens if you want to lock specific apps individually? There is no official Apple solution, but you can use a third-party app to get the job done.
We've found that the free AppLocker tool is the best option for locking your apps. It's a simple menu app that lets you password protect apps with a password. You can protect an app for free, but you have to pay $ 9.99 to upgrade and unlock the border and enable Touch ID and Bluetooth unlock support.
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Start by installing the AppLocker app from the App Store on your Mac.
When you open the app you will find a new icon in the menu bar. You will see a popup asking you to set a password. Click here on the button "Set my password".
Create your password (something you will not forget) from the Settings menu, and if you have a MacBook with Touch ID, you can also check the option "Enable Touch ID ". Now click on "Save Password" and then click on the red close button in the upper left corner to exit the settings window.
Go to the menu bar and click the AppLocker icon. In the drop down menu you will see that the app is locked. Enter your password and click the "Enter" button to unlock the app.
Here you first check the option "Start at Login". It will make AppLocker start automatically every time you start up your Mac and lock all your selected apps. Second, click the plus sign (+) to add an app.
Search for an app on your Mac in the new window and then click it to immediately add the application to the list of locked apps .
Now, when you leave the app and try to launch it again, AppLocker will ask for a password.
To remove an app from the locked list, return to the app menu bar, enter your password and then click the "X" button next to app name.
AppLocker only works when you launch an app. If an app is open and you return to it, it will still be unlocked. If you want to lock your apps on a daily basis, make sure you close the app when you step away from your Mac. You can also use the "Command" shortcut with "+" to instantly lock all apps.
If you use the Apple Notes app, you should know that you can also password protect individual notes.
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