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

> Utilities

Canonical page: [https://chrome-stats.com/d/id692929970](https://chrome-stats.com/d/id692929970)

## Overview

- **ID:** `id692929970`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Removed
- **Publisher:** Knock Software, Inc
- **Category:** Utilities
- **Rating:** 5.00 / 5 (2 ratings)
- **Version:** 2.0.2
- **Last updated:** 2015-06-08
- **First published:** 2013-11-05
- **Size:** 12 MB
- **Data as of:** 2026-05-28
- **Store listing:** [Apple App Store](https://apps.apple.com/pt/app/knock-unlock-your-mac-without-a-password-using-your/id692929970?l=en-GB)
- **Website:** [http://www.knocktounlock.com](http://www.knocktounlock.com/)
- **Privacy policy:** [http://www.knocktounlock.com/legal](http://www.knocktounlock.com/legal)

## Description

Knock lets you unlock your Mac without typing a password by tapping your iPhone twice or using an Apple Watch. It uses Bluetooth Low Energy for secure, low-power communication, so you can unlock quickly without draining your device's battery.

Note: Knock does not currently support Mac OS X High Sierra. Before purchasing, please verify compatibility with your Mac from the screenshot and contact help@knocktounlock.com with any questions.

## Review summary

The app started as a promising passwordless Mac unlock concept for iPhone/Apple Watch, but is largely unusable today due to lack of updates, OS compatibility problems, and unreliable connections. Users report setup and Bluetooth issues, plus pricing/refund complaints. The core idea remains appealing, but persistent maintenance and compatibility issues have driven most users to abandon it.

### Pros

- Great concept for passwordless Mac unlocking.
- When it worked, it unlocked quickly with a few taps.
- The idea itself was appealing and could be a convenient solution.

### Cons

- No longer updated; development appears abandoned.
- Incompatibility with newer macOS/iOS versions (e.g., High Sierra and beyond).
- Unreliable or intermittent performance with slow or broken connections.
- Setup/ Bluetooth issues and extra steps (e.g., needing to unlock the iPhone first).
- Pricing and refund concerns (charges without permission; difficult refunds).

## Similar extensions and apps

- [Near Lock](https://chrome-stats.com/d/id886882252) — 3.80 / 5
- [Unlock - Modern Proximity Lock](https://chrome-stats.com/d/id6467429245) — 5.00 / 5
- [Touch Unlock for iOS](https://chrome-stats.com/d/id962021208) — 3.40 / 5
- [NeonLock](https://chrome-stats.com/d/id6789896699)
- [WatchDog Key](https://chrome-stats.com/d/id6763904473)
- [Peeku Companion](https://chrome-stats.com/d/id6778865893)
- [Bluetooth Lock](https://chrome-stats.com/d/id992346811) — 2.30 / 5
- [LockItUp](https://chrome-stats.com/d/id982230788) — 3.00 / 5
- [Proximity Lock: Smart AutoLock](https://chrome-stats.com/d/id6760981832) — 5.00 / 5
- [Lock Status: Laptop & Desktop](https://chrome-stats.com/d/id6799870198)
- [Kwikset - Smart Lock on Watch](https://chrome-stats.com/d/id6751854353) — 2.90 / 5
- [Knock - Tap Control](https://chrome-stats.com/d/id6760830551)

---

Source: [Chrome-Stats](https://chrome-stats.com/d/id692929970)