Life & fun · alternatives · 2026

24 alternatives to Knocker

Unlock building doors with your voice – no hardware needed

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Knocker launched in 2024; newer entries below may have overtaken it.

1. 1
   DoorBuzzing▲86

   Turn your existing door buzzer into a smart device

   2015 · its alternatives →

2. 2
   Buzzcut▲9

   The smart buzzer for apartments & condos

   2024 · its alternatives →

3. 3
   KnockKnock!▲187

   Minimal circular video calls that start with a "door" knock

   Dec 2025 · apps.apple.com · its alternatives →

4. 4IB
   I built an app to use a QR code as my doorbell▲140

   I didn’t have a doorbell before (multiple reasons) and my house feels unwelcoming without one. So I built a doorbell app that uses a QR code - visitors scan the QR code to ring the doorbell and I get notified on my phone. Here is an example of the QR code I have on my door. You can scan it and say hello: https://www.thebacklog.net/img/2024/10/show-hn.png This was also a great excuse to build my first app for Android and iPhone. I’d love to get some feedback before I spend more time polishing the app. Please try it out and feel free to ask me any questions! No…

   2024 · dingdongdoorbell.com · its alternatives →

5. 5
   Knock▲35

   A safer login. Knock your iPhone to unlock your Mac

   2014 · its alternatives →

6. 6
   Doorbot▲73

   The Wi-Fi enabled doorbell for smartphones

   2014 · its alternatives →

7. 7
   Lockitron Bolt▲174

   Unlock your door with your phone for only $99

   2015 · its alternatives →

8. 8
   Dialed▲148

   AI pep talks: inspiration, just for you

   2024 · its alternatives →

9. 9
   Knock▲340

   Notification infrastructure for developers

   2022 · its alternatives →

10. 10
    Clicko Trigger▲79

    One click to unlock any door from all over the world

    2014 · its alternatives →

11. 11
    August Smart Lock (3rd Generation)▲105

    Control your door & give access through your smartphone.

    2017 · its alternatives →

12. 12
    Knock▲168

    Knock on your MacBook to control your Mac

    Mar 2026 · tryknock.app · its alternatives →

13. 13
    Airbounce for Mac▲230

    One magic button for easier calls

    2024 · its alternatives →

14. 14
    Remootio▲75

    Make your gates & garage doors smart with Bluetooth & Wi-Fi

    2019 · its alternatives →

15. 15
    The Peel Touch Tool▲262

    Open doors & press buttons without touching them

    2020 · its alternatives →

16. 16
    Foyer▲126

    Build a room of ambient sound that lives in your notch

    Jun 2026 · usefoyer.app · its alternatives →

17. 17KK
    Knock-Knock.net – Visualizing the bots knocking on my server's door▲224

    Feb 2026 · knock-knock.net · its alternatives →

18. 18
    Callblock▲204

    The first app to block telemarketers automatically in iOS

    2017 · its alternatives →

19. 19
    HumanAlarm▲6

    Real people knock on your door to wake you up

    Sep 2025 · humanalarm.com · its alternatives →

20. 20
    RingIt▲182

    Never lose your phone again

    Nov 2025 · ringit.app · its alternatives →

21. 21
    Knock 2.0▲176

    Unlock your Mac quickly and securely. Now with Apple Watch.

    2015 · its alternatives →

22. 22
    Knock▲119

    Between a call and a text!

    2014 · its alternatives →

23. 23
    Knock agent for Slack▲112

    Build, manage, and ship customer messaging from Slack

    Jun 2026 · knock.app · its alternatives →

24. 24
    Mute Me▲137

    A simple Touch Bar app to mute/unmute your microphone

    2017 · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →