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Knock is an innovative utility designed to streamline the way users interact with and secure their Mac computers. Developed to eliminate the friction of typing passwords, it allows users to unlock their devices by simply tapping on their iPhone or Apple Watch. The tool leverages Bluetooth Low Energy to maintain a secure, low-power connection between devices, ensuring that the Mac only unlocks when the authorized mobile device is in close proximity. Beyond simple unlocking, Knock provides a seamless way to manage system access without compromising security or speed. It is particularly well-suited for professionals who frequently step away from their desks and want a hands-free, modern authentication experience. By turning a smartphone into a physical key, Knock bridges the gap between mobile convenience and desktop security. It fits perfectly into the workflow of anyone looking to modernize their hardware security through simple physical gestures.
4.5/5
Reliable, fast, and secure authentication
Minimalist and intuitive
To provide a secure and fast way to unlock and control a Mac using mobile device taps.
Compatible with macOS and iOS/watchOS devices supporting Bluetooth Low Energy.
Paid app with a one-time purchase model
Features with the highest value for users are highlighted here.
Gesture-based authentication
Bluetooth Low Energy connectivity
Apple Watch integration
Proximity-based locking
Secure encrypted communication
Background operation mode
Remote Workers
Office Professionals
Privacy-Conscious Users
Apple Ecosystem Enthusiasts
IT Administrators
Creative Freelancers
Students
Accessibility Users
Tech-Savvy Parents
Software Developers
Standard License
Enterprise
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Side-by-side with top alternatives in this category.
| Tool | Rating | Visits / mo | Global rank | Category rank | Engagement | Bounce | Top market | Starts at | Free tier | Integrations | Action |
|---|---|---|---|---|---|---|---|---|---|---|---|
 KnockAI Productivity Tools | 4.6 | 5.2K | #3,532,785 | — | 34s1.9 pages | 34% | IN#305,945 | $4.99 | No | — | View |
 Google GeminiAI Productivity Tools | 4.3 | 2.9B | #17 | #2 | 7m 7s4.1 pages | 28% | US#34 | $0 | Yes | — | View |
 Smart DeckAI Productivity Tools | 4.8 | 546.2M | #68 | #1 | 2m 25s3.3 pages | 52% | US#49 | $0 | Yes | — | View |
 watch.IDAI Productivity Tools | 4.3 | 1.1B | — | — | 2m 1s2.6 pages | 62% | — | $0 | Yes | 1 | View |
 FloateeAI Productivity Tools | 3.7 | 1.1B | — | — | 2m 1s2.6 pages | 62% | — | $0 | Yes | — | View |
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