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PortChecker.cc VS Rectangle

Compare PortChecker.cc VS Rectangle and see what are their differences

PortChecker.cc

Port Checker tests IP ports online, surfaces popular port checker guides, and keeps your infrastructure secure.

Rating
0 reviews
Pricing
Free
Alternatives Is it good?
Rectangle

Window management app based on Spectacle, written in Swift.

Rating
0 reviews
Pricing
Open source
Alternatives Is it good?
SquadPrime
Free MVP cost calculator: describe your app in 5 clicks and get a realistic 2026 estimate for a freelancer build, a traditional agency and a fixed-price 14-day build by senior professionals, where the client owns the code. sponsored

Which is more popular?

Based on our record, Rectangle seems to be more popular. It has been mentioned 480 times since March 2021.

social mentions
0 vs 480
Monitoring Tools popularity
100% vs 0%
alternatives listed
12 vs 240+

Base details

Website, pricing, platforms and company facts side by side.

PortChecker.cc
Rectangle
Website portchecker.cc rectangleapp.com
Pricing
Free
Open source
Platforms
Browser
—
Company Startup from the United States · 1 - 9 employees · 2025 —
Listed in
Developer Tools Monitoring Tools Network & Admin DNS Tools +1
Mac Tools Window Manager Mac Developer Tools +1

Features and specs

What each product offers, as listed by its team.

PortChecker.cc 5 features
Rectangle 5 features
  • Free and accessible
    PortChecker.cc is a free online tool that requires no registration or software installation, making it instantly accessible to anyone with a web browser.
  • Easy to use
    The interface is straightforward and simple — users just need to enter an IP address and port number to check if a port is open, making it suitable for beginners and experienced users alike.
  • Multiple port checking
    The tool supports checking a variety of common ports and allows users to test specific port numbers, providing flexibility for different network diagnostic needs.
  • Multi-language support
    The website offers multiple language options, making it accessible to a broader international audience who may not be comfortable with English.
  • Quick results
    The tool provides fast results for port status checks, allowing users to quickly determine whether a specific port is open or closed on their network without lengthy waits.
  • Ease of Use
    Rectangle offers an intuitive user interface that makes window management straightforward and user-friendly.
  • Customizable Shortcuts
    Users can easily configure keyboard shortcuts to better suit their workflow, making window management faster and more efficient.
  • Free
    Rectangle is available for free, making it accessible to anyone without the need for a financial investment.
  • Frequent Updates
    The app receives regular updates, introducing new features and ensuring compatibility with the latest macOS versions.
  • Lightweight
    Rectangle is a lightweight application that doesn't consume many system resources, ensuring smooth performance even on older Macs.

Possible disadvantages

  • Limited Advanced Features
    Rectangle lacks some of the more advanced features found in paid window management applications, such as multiple monitor support and more complex window arrangements.
  • MacOS Only
    Rectangle is only available for macOS, so users of other operating systems are unable to take advantage of its features.
  • Occasional Bugs
    Some users report occasional bugs or unpredictable behavior, which might require troubleshooting or waiting for a future update.
  • Learning Curve for Shortcuts
    While customizable shortcuts are a benefit, there is an initial learning curve for users to memorize and effectively use these shortcuts.
  • Basic Aesthetic
    The app's design and aesthetic are quite basic, lacking the polish and visual appeal found in some other similar tools.

Analysis

An editorial look at what each product does well and who it suits.

PortChecker.cc
Rectangle

Overall verdict

  • PortChecker.cc is a solid, free online port checking tool that reliably tests whether specific ports are open or closed on your network, making it useful for quick diagnostics without installing software.

Why this product is good

  • Free to use with no registration or installation required
  • Simple, intuitive interface that lets you quickly check if a port is open or closed
  • Useful for verifying port forwarding, firewall rules, and server accessibility
  • Provides fast results for troubleshooting network connectivity issues
  • Accessible from any device with a web browser

Recommended for

  • Home users setting up port forwarding for gaming or media servers
  • System administrators verifying firewall and server configurations
  • Developers testing whether services are reachable on specific ports
  • Anyone troubleshooting network connectivity or remote access issues
  • Beginners who need a quick, no-install way to check open ports

Overall verdict

  • Overall, Rectangle is highly regarded for its ease of use, extensive customization options, and the fact that it is free and open-source. It provides essential functionality without unnecessary complexity, making it suitable for both casual users and power users who need efficient window management.

Why this product is good

  • Rectangle is a popular window management tool for macOS, known for its simplicity and ease of use. It allows users to efficiently organize and resize application windows using customizable keyboard shortcuts or by dragging windows into pre-defined areas of the screen. This can enhance productivity by minimizing the time spent arranging windows and improving multitasking capabilities.

Recommended for

    Rectangle is recommended for macOS users looking for a straightforward, lightweight solution to manage application windows. It is particularly beneficial for those who frequently work with multiple applications at once, including developers, designers, and anyone who values a tidy and organized desktop environment.

Videos

Walkthroughs and reviews on video.

PortChecker.cc 0 videos + Add
Rectangle 3 videos + Add

No PortChecker.cc videos yet. You could help us improve this page by suggesting one.

SKYWALKER RECTANGLE TRAMPOLINE REVIEW!!!

More videos

  • - Skywalker Rectangle Trampoline Review #1
  • - Marvin Malton 160 Rectangle Flying Hour Watch Review

Category popularity

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100
PortChecker.cc
Rectangle
100% 100%
Monitoring Tools
0% 0%
0% 0%
Mac Tools
100% 100%
100% 100%
Network & Admin
0% 0%
0% 0%
Window Manager
100% 100%

Questions & Answers

As answered by people managing PortChecker.cc and Rectangle.

What makes your product unique?

PortChecker.cc's answer

Free And Online, Forever

Why should a person choose your product over its competitors?

PortChecker.cc's answer

quick, free, online, safey

What's the story behind your product?

PortChecker.cc's answer

Help people check their network if safe

Which are the primary technologies used for building your product?

PortChecker.cc's answer

I use next.js build my product.

How would you describe the primary audience of your product?

PortChecker.cc's answer

Programmer, network operation and maintenance personnel

Who are some of the biggest customers of your product?

PortChecker.cc's answer

Programmer, network operation and maintenance personnel

User comments

Share your experience with using PortChecker.cc and Rectangle. For example, how are they different and which one is better?

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Reviews and articles

External articles and on-site reviews we used to compare the two products.

PortChecker.cc no reviews yet
Rectangle no reviews yet

We have no reviews of PortChecker.cc yet. Be the first one to post

  • Best 6 Mac Window Managers
    mackeeper.com · Sep 2023

    Rectangle shows that you don’t need to dip into your bank account to get window resizer tools. This free Mac window manager lets you manage multiple windows using keyboard shortcuts, menu options, or by dragging and...

  • Top 6 Window Manager Apps for Mac
    www.maketecheasier.com · May 2023

    Most window manager apps for Mac support multiple monitors. They can help you move windows between screens and create custom layouts for each monitor. Many window manager apps – such as BetterSnapTool, Magnet, and...

  • The 6 Best Mac Window Management Tools
    www.makeuseof.com · Apr 2023

    However, it might take some time for you to get used to the shortcuts in the Rectangle app since there are many. Furthermore, you can also add some of your apps to exceptions if you want to keep them away from...

Social recommendations and mentions

Recommendations tracked on public social media and blogs since March 2021.

PortChecker.cc 0 mentions
Rectangle 480 mentions

Tracking PortChecker.cc since Oct 2025.

  • Apple introduces M6 and M5 Ultra for a big leap in performance and AI compute
    Rectangle solved my macos window management annoyances. https://rectangleapp.com/ Not involved in dev of this, just a happy user. - Source: Hacker News / about 2 months ago
  • Ubuntu 26.04 LTS Released
    As a both old Linux and now decade user of MacOS, after I got used to no middle-click paste and no focus-follows-mouse: 1. Keyboard shortcuts are Emacs, Ctrl-A: start of line, E: end of line, K: kill selected or to end of line, Y to... - Source: Hacker News / 6 months ago
  • Native Instant Space Switching on macOS
    Every macOS user uses Rectangle.app — https://rectangleapp.com The ones who don't use it is because they don’t know it exists. - Source: Hacker News / 6 months ago

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Alternatives to PortChecker.cc and Rectangle

When comparing PortChecker.cc and Rectangle, you can also consider the following products.

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