Knock – unlock your Mac without a password using your iPhone and Apple Watch

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When i purchased the app, i was using iphone 5, and it worked as perfect as advertisement. However, it was the old time, because after a long time using samsung phone, i changed to use iphone which is iphone 6 plus again. And it doesnt work any more! It works only when i open the app, but it doesnt when i let the app run on under (even the screen is on or off). As a result, I think it doesnt automatic connect the iphone and macbook anymore, and if so, i dont think this is a creative app because its not convenient as what we wanted when we purchased. I hope the developers of this app could fix those errors in the next version. Otherwise, no one would purchase this app anymore in the future.

Like others here, I was apprehensive about buying this based on the reviews… but I read reviews that said.. “follow the instructions and you’ll have no problems”… and they were right. I have a 2012 Mac Mini, iPhone 6+, and Watch Sport, all running the latest software versions available as of this writing. It works PERFECTLY. Yes.. you have to wake your Mac up first if it’s asleep.. press a key, wiggle the mouse, smack the magic trackpad, whatever. Then I literally pick my phone up and knock on it twice like I’m knocking on a door.. without even waking the phone up. BUT- when I leave my phone in the other room and I’m wearing my Watch, I can just raise my wrist, swipe up to reveal the Knock Glance, tap, and it unlocks my Mac! It even shows the status of my Mac.. locked or unlocked. It may sound like a lot but it’s honestly twice as fast as typing in my password each time. AND I can LOCK my Mac while I’m ‘Netflix-ing and Chilling’ in the living room. Highly recommended. Excellent app.

I've been using this app to avoid typing in my long password and it's been great to me. After sending an email about some macOS Sierra glitches, the developer had an update in a few days fixing all the glitches. It's true that 5% of the time, there will be some sort of disconnectivity between the app and computer, forcing you to type your password. Also if you leave your computer for a few days, it will take the bluetooth maybe 10 seconds to find your mac versus like 2 seconds if you had used your computer recently. These are not really avoidable for the developer so they do not annoy me at all. If you really want some 100% smooth implementation of this feature, buy the $300 Apple Watch. If not, enjoy this highly functional app for $5.

So I was a bit uneasy when buying this app because of the misguiding comments, but after much research (YouTube,Google,etc) I finally had the nerve to buy the app. And I am not disappointed. This app really works as advertised, and it works while I use other apps on my phone, which I thought it was pretty neat. The setup with almost instant, and works when my iPhone is locked. Yes, it really does, however you have to Wake up the computer first, WAIT for the circle to fill up, THEN knock. Trust me, there really isn't any lag or wait time. Maybe just a second or two. But very useful app, I recommend it to those who have very long passwords.

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I really wanted to like this product, as it seemed like a great idea. The problem is if your Mac has been asleep for a while, you can “knock” on the app until your hand fell off, and it won’t do anything. Also, I found them to be VERY misleading in how they showed how this worked. They showed a guy on their website just knocking on his phone WHILE IT WAS IN HIS POCKET mind you, and the computer magically turns on. What they DON’T tell you is that while that sure looked great, you would have to take your phone out, open it, get the app open, then put it back in your pocket with the screen still on, THEN you can do that trick. Not quite as simple as just walk up to your computer, tap your phone, and your computer unlocks. They SURE presented it that way. Pretty blatantly misleading if you ask me.