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USZipLookup VS Rectangle

Compare USZipLookup VS Rectangle and see what are their differences

USZipLookup

Find any US ZIP code or Canadian postal code instantly. Search by city, address or code - get accurate location, county & population data free.

Rating
0 reviews
Promote on VibeVoted
Alternatives Is it good?
Rectangle

Window management app based on Spectacle, written in Swift.

Rating
0 reviews
Pricing
Open source
Promote on VibeVoted
Alternatives Is it good?
ASocks
Clear, Fast & Unlimited. Residential & Mobile Proxies For Best Price. 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
Zip Lookup popularity
100% vs 0%
alternatives listed
4 vs 240+

Base details

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

USZipLookup
Rectangle
Website usziplookup.com rectangleapp.com
Pricing
Official pricing
Open source
Platforms
Mobile Desktop Mac Tablet +1
—
Company 2026 —
Listed in
Reference Zip Lookup Developer Tools API Tools +1
Mac Tools Window Manager Mac Developer Tools +1

About USZipLookup and Rectangle

In their own words, as submitted to SaaSHub.

USZipLookup
Rectangle

USZipLookup.com is a fast, free zip code lookup tool built specifically for users who need quick, reliable answers about US postal codes - whether finding the zip code for a specific address, checking which areas a zip code covers, or validating address information before shipping or mailing. The...

Read more about USZipLookup

No description of Rectangle yet.

Features and specs

What each product offers, as listed by its team.

USZipLookup 3 features
Rectangle 5 features
  • Fast Zip Lookup-to-Details
    Enter any US Zip Code to instantly retrieve its correct details, built for speed and simplicity over cluttered data dashboards.
  • Zip Code Education Hub
    Clear explainer content covers zip+4 extensions, zip vs. postal code differences, and why address accuracy matters for delivery reliability.
  • Shipping & Address Validation
    Helps online sellers and fulfillment teams validate customer addresses before shipping, reducing delivery errors and failed shipments.
  • 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.

USZipLookup
Rectangle

Overall verdict

  • USZipLookup appears to be a free, no-frills web tool for looking up ZIP codes, city/state information, and related postal data. For casual, quick lookups it seems to get the job done, though as with many niche utility sites it lacks the polish, guaranteed data freshness, and support infrastructure of official sources like USPS or major data providers, so it's best treated as a convenience tool rather than an authoritative reference.

Why this product is good

  • Simple, straightforward interface focused solely on ZIP code and address lookups
  • Free to use without requiring account creation for basic searches
  • Fast results for common queries like city-to-ZIP or ZIP-to-city lookups
  • No heavy ads or paywalls blocking core functionality reported by typical users
  • Useful as a quick secondary check alongside official USPS tools

Recommended for

  • Individuals needing a quick, casual ZIP code lookup
  • Small business owners verifying customer addresses informally
  • Students or researchers doing light geographic reference work
  • Users who want a free alternative to more complex postal lookup tools
  • Not recommended as a sole source for mission-critical shipping, tax, or legal address verification

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.

USZipLookup 0 videos + Add
Rectangle 3 videos + Add

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

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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
USZipLookup
Rectangle
100% 100%
Zip Lookup
0% 0%
0% 0%
Mac Tools
100% 100%
100% 100%
Developer Tools
0% 0%
0% 0%
Window Manager
100% 100%

Questions & Answers

As answered by people managing USZipLookup and Rectangle.

Which are the primary technologies used for building your product?

USZipLookup's answer

PHP and MySQL with a lightweight, mobile-optimized frontend for fast lookups.

Why should a person choose your product over its competitors?

USZipLookup's answer

Faster, simpler, and more mobile-friendly than bulkier zip code tools, ideal for quick shipping and address checks.

Who are some of the biggest customers of your product?

USZipLookup's answer

Online sellers and small e-commerce stores, Logistics and fulfillment teams, Individuals relocating or confirming addresses, Developers researching zip code structure

What makes your product unique?

USZipLookup's answer

It's built specifically for speed, quick zip-to-details lookups and validation without the clutter of larger data-heavy postal sites.

How would you describe the primary audience of your product?

USZipLookup's answer

Online sellers, fulfillment teams, and individuals needing quick address validation or zip code confirmation.

What's the story behind your product?

USZipLookup's answer

Created as a fast, no-friction companion to uszipcodes.org, focused on quick address validation rather than deep data browsing.

User comments

Share your experience with using USZipLookup 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.

USZipLookup no reviews yet
Rectangle no reviews yet

We have no reviews of USZipLookup 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.

USZipLookup 0 mentions
Rectangle 480 mentions

Tracking USZipLookup since Jul 2026.

  • 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 / 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 / 7 months ago

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Alternatives to USZipLookup and Rectangle

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

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