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KeyLemon allows the user to lock or unlock his computer with face recognition. When you leave your mac, it will automatically lock your session, and when you come back, it recognize you and unlock your session.

If a non-authorized person is trying to log into your Computer, KeyLemon take a picture of this person and store it on the "LemonScreen preferences".

It's also possible to customize your lock screen with some theme available on the KeyLemon website.

What's New

Version 2.6.5:
  • KeyLemon compatible with OS X 10.8 Mountain Lion
  • Add italian language
  • Shorter wizard


  • Mac OS X 10.6 or later
  • 64-bit processor
  • Webcam required for face recognition

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Current Version (2.x)


Downloads 16,803
Version Downloads 10,046
License Shareware
Date 14 Aug 2012
Platform Intel 64 / OS X
Price $29.95
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