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Android Apps > Tools > Knock on Ports
Knock on Ports icon

Knock on Ports

by Alexander Yaburov · Tools · Free
On Google Play since September 2018 · Data updated 2026-11-11

Knock on Ports is made and published by Alexander Yaburov. AppBrain is an independent app data site and isn't affiliated with Alexander Yaburov. The app name, icon, screenshots and description belong to Alexander Yaburov and are shown as published on Google Play.

4.52
475 reviews
10,000+
Downloads
Free

A powerful client to manage and run port knocking sequences

Knock on Ports Screenshot 1 of 6
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Knock on Ports Screenshot 6 of 6
Screenshots by Alexander Yaburov, from the Google Play listing
View on Google Play

AppBrain's verdict

EstablishedLoved by users
Rating on Google Play
4.52
475 ratings
Installs
43 thousand
Last updated
June 10, 2026
Ads
No ads
Size
4.87 MB

Knock on Ports has 43 thousand installs. Users love it: 4.5 stars from 475 ratings.

Official page on Google Play

User feedback

Ratings and reviews on Google Play

Comments on Knock on Ports for Android

★★★★★ Matthew Lubbe · Jul 3, 2020
Best and most versatile port knocking tool. Just works using tcp udp and icmp
★★★★★ sajad sajadgaming · Sep 16, 2022
Hi. When I knocking say knocking complete to app icon it's not in the screen or not knocked
★★★★★ CLASH OF PUBG GAMER · Jun 30, 2020
Best for make server in cunter strick 1.6 android my server name ZOMBIE MEAT 4.3
★★★★★ Fred Korz · Nov 6, 2024
I did a basic setup before traveling for work, tested it before leaving (and it worked). The setup was clean and straightforward. I haven't set up anything fancy, ... yet, just a non-linear sequence of knocks. It seemed to not work from my hotel room but experimentation showed that the hotel Wi-Fi connection was blocking the knocking or the subsequent SSH connection. It worked fine from the office and also when I used it over Verizon 5G at the hotel.
★☆☆☆☆ ilias · Apr 2, 2025
It doesn't seem to work, at least on android 14:(((the packets don't reach the destination (I checked it with tcpdump)....(on the same mobile by installing another port knocker, which is not available anymore on store, it works...)
★☆☆☆☆ astral xing · Aug 18, 2022
After I use this app I get a LOT of pings and scans on my network !

Google Play Rating history and histogram

390
0
41
20
20

Store listing

By Alexander Yaburov, from Google Play
Description by Alexander Yaburov Written by the developer, not by AppBrain. Click to read.
A utility for executing port knocking sequences to discreetly open access to services protected by firewalls. Configure custom sequences using UDP, TCP, or ICMP packets with support for both IPv4 and IPv6.

Key Features:

• Protocol Flexibility: Create sequences with UDP, TCP, or ICMP packets. Fine-tune parameters including destination ports, inter-packet delays, TTL, Hop Limit, and packet payload data.
• Automation & Integration: Automatically launch applications (e.g., SSH clients) or open URLs upon a successful knock. Supports integration with other tools via a custom URI scheme for advanced automation.
• Dual-Stack Support: Full compatibility with IPv4 and IPv6 networks.
• Quick Access: Utilize home screen shortcuts and a widget for immediate execution of configured sequences.
• Customization: Adjust the interface with dynamic color themes (Android 12+), custom accents, and light/dark modes. Includes options for improved contrast.
• Configuration Management: Export and import your knocking sequences for backup or transfer.
• No Ads, Open Source: A free, transparent application focused on privacy and user control.

Recent changes:
• New language localization: Ukrainian (credit to @varrkan82)
• New language localization: Portuguese (credit to @ssantos)

Safety and technology

Found in the app by AppBrain
Ads
No ads
Price
Free
Libraries
13
App size
4.87 MB
Content rating
Everyone

Technologies used by Knock on Ports

9 permissions · 13 libraries
Subscribe to see full permission and library details

Releases

Updates seen on Google Play
Version
2.1.10
Launched
September 2018
  • Jun 10, 2026UpdateVersion 2.1.10
  • May 22, 2026UpdateVersion 2.1.9
  • Apr 20, 2026UpdateVersion 2.1.5
  • Mar 14, 2026UpdateVersion 2.1.1
  • Feb 8, 2026UpdateVersion 2.1.0
Show all changes Show fewer

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Installs

Tracked by AppBrain
Last 30 days
320
Per day
11
30-day average
Play install range
10+ thousand
Launched
September 2018

Installs over time

Knock on Ports has been installed 43 thousand times. Over the past 30 days, it averaged 11 installs per day.

Rankings

Google Play top charts

Google Play Rankings for Knock on Ports

This app is not ranked

About the app and developer

About Knock on Ports

Knock on Ports is a tools app developed by Alexander Yaburov.

How many times has Knock on Ports been installed?

Knock on Ports has been installed 43 thousand times. In the last 30 days, the app was installed 320 times.

What is the rating of Knock on Ports?

Knock on Ports is rated 4.52 out of 5 stars, based on 480 ratings.

Is Knock on Ports free?

Knock on Ports is free. The app size is 4.87 MB. The latest version available is 2.1.10. The last update was on June 10, 2026.

What are the requirements for Knock on Ports?

The app has a content rating of Everyone. The app has been available on Google Play since September 2018.

App Performance Report

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Developer information for Alexander Yaburov

Alexander Yaburov

dev@impa.me

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Frequently asked questions about Knock on Ports

Is Knock on Ports free?

Yes. Knock on Ports is free on Google Play.

Is Knock on Ports still available?

Yes. Knock on Ports is on Google Play, and the last update we saw was on June 10, 2026.

Does Knock on Ports contain ads?

No. Google Play does not list Knock on Ports as containing ads.

How large is Knock on Ports?

Knock on Ports is 4.87 MB.

Is Knock on Ports suitable for children?

Google Play rates the content of Knock on Ports as suitable for everyone.

How many times has Knock on Ports been installed?

Google Play lists 10,000+ installs for Knock on Ports.

How do people rate Knock on Ports?

Knock on Ports scores 4.52 out of 5 stars, from 475 ratings on Google Play.

Who made Knock on Ports?

Knock on Ports was developed by Alexander Yaburov. It is listed in the tools category on Google Play.

What are the best alternatives to Knock on Ports?

People looking at Knock on Ports also look at these tools apps: HTTP Custom - AIO Tunnel VPN, UDP Terminal, UDP/TCP Widget, iPerf3, Wireshark Tutorial.

Share Knock on Ports

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Overview Alternatives History Reviews Rankings Technology
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