Comparison to bluetooth unlock
This is a really awesome app, works like a charm on my rMBP13 and iP5s. The setup process is as smooth as it gets and really well and beautifully done.
I also tried Bluetooth Unlock (Mac app store, 2$), which should lock my screen and unlock it when I move away and to my Macbook. But uses normal bluetooth, and I cannot pair my phone to my computer (tried a few times, dont want to troubleshoot). It works when I use my Magic Trackpad just for testing, walking away with it locks the screen, walking towards the my workplace unlocks it magically. So far so good. But I fear that normal Bluetooth will use too much battery, so Ill stay with knock (although automatic wake-up of the other app is VERY smooth
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Is there also a way to make Knock lock my mac when I move out of range?