Unlock Your Mac By Tapping Your iPhone Using Knock

Have you ever though of unlocking your Mac from your iPhone. Sometimes it feels very irritating to constantly unlock your Mac. As with phones, about 50% of users don't bother with passwords — and those that do are often pretty terrible. Combinations like "1234" that are easy to type. Now your problem is solved with a new app called Knock, which is combo app that lets users unlock thier computer , simply by tapping on the phone screen. This application works with both iPhone and Mac and creates a connection between the two devices in order to perform the function. It is just switching on your TV with your remote control.

  How Knock Works 

Knock works by pairing your computer (a 2011 or new MacBook Air or Mac mini, a 2012 or newer iMac or the upcoming Mac Pro) with your iPhone (iPhone 4S and later). Simply install, for $3.99, the Knock iPhone app [iTunes link], install the free Mac app from the Knock website and follow a few quick steps and you're ready.

Knock works by using Bluetooth Low Energy, a technology that modern Macs and newer iPhones have. The two Knock apps create a secure connection with one another and when you "knock" on the screen of the phone, it transmits the unlock key to your Mac instantly.Because it's Bluetooth LE, this means that you don't have to have the Knock app open on your phone to use it — in fact your phone doesn't even have to be unlocked. As long as it is powered on and Bluetooth is enabled, it works.

Because of Bluetooth LE , it will not use any of the battery. As long as you are in the Bluetooth range of the two devices which is about 20 feet , the app will work fine. This app works in the background and integrates with Mac login screen. A green circle shows that Knock is available , just tap on your iPhone and your Mac screen will be opened.

You can download the Knock app from iTunes store for $3.99 and for Mac you can install free from official knock website.