Knock App Lets You Unlock Your Other Mac Devices by Knocking on Your iPhone

Sometimes, a simple app will get our attention because it tries to do one thing very well. Take this great app, Knock. It unlocks your Macbook, your iMac, your Mac Mini, or even the new Mac Pro with two simple knocks on your phone. You don’t even have to unlock your iPhone.

How is this secure?

Knock doesn’t replace your password, and Knock doesn’t modify or replace any of your Mac’s built in security features. Knock automatically enters your password via a secure, encrypted connection when you knock on your iPhone.

When

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