Smarty
Zipcodestack
PostalDataPI
Geoco.io
Melissa Data Quality
Loqate
usZIPCodes.org
REST API for US ZIP, ZIP+4, and Canadian postal codes. Single unified endpoint covers address validation and standardization, radius search (centroid haversine and true spatial polygon intersection), point-to-point distance, autocomplete/typeah

Alcove
TheBoringNotch
Sleeve
DynamicLake Pro for macOS
Bartender Mac App
Maccy
IsleNotch
NotchNook is back — Dynamic Island for Mac

Which is more popular?
Based on our record, NotchNook seems to be more popular. It has been mentioned 2 times since March 2021.
Website, pricing, platforms and company facts side by side.
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ZIP
ZIP Code API
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|---|---|---|
| Website | zip-codes.com | getnotchnook.com |
| Pricing | — | |
| Company | Startup from the United States · 2026 | — |
| Listed in |
In their own words, as submitted to SaaSHub.

API for US ZIP, ZIP+4, and Canadian postal code data. One unified endpoint set covers North America — no separate APIs by country or data type. What it does Address validation and standardization — production-grade parser with ZIP+4 append, refreshed monthly Radius search — centroid haversine and...
The best notch app is back—with updates for your Mac. Music, calendar, notes, tasks and files, right in your Mac’s notch. NotchNook is a notch app for Mac developed and sold by lo.cafe Ltda. It turns the MacBook notch into a workspace for music controls, calendar events, notes, to-dos, timers, a...
What each product offers, as listed by its team.

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

Overall verdict
Why this product is good
Recommended for
No analysis of NotchNook yet.
Walkthroughs and reviews on video.
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NotchNook is back: a Dynamic Island for your Mac (MacBook notch app)
More videos
How often each product is chosen within a category, 0–100% relative to the other.

As answered by people managing ZIP Code API and NotchNook.
NotchNook's answer:
NotchNook launched in 2024 to make the MacBook notch useful for everyday work. The macOS app is developed and sold by lo.cafe Ltda. Its official product website is https://getnotchnook.com/, with downloads, release notes, plans and support. The official lo.cafe company website is https://locafe.app/.
NotchNook's answer:
NotchNook is a native macOS application built with Swift and SwiftUI.
NotchNook's answer:
NotchNook combines everyday Mac tools in one panel at the top of the display: music controls, calendar, quick notes, to-dos, timers, a camera mirror and Shortcuts. The Tray keeps files within reach for drag-and-drop and AirDrop. It works with or without a physical notch and across multiple displays.
NotchNook's answer:
Choose NotchNook if you want music, calendar, notes, tasks and a file shelf together in a Mac-native interface. A 48-hour trial lets you try every feature before buying, without a card. Both monthly and lifetime plans include the same features.
NotchNook's answer:
Mac users who want quick access to everyday tools without interrupting their current work: people handling files, listening to music, taking notes or moving between meetings. It supports Apple silicon and Intel Macs running macOS 14.6 or later.
Share your experience with using ZIP Code API and NotchNook. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.

Tracking ZIP Code API since May 2026.
I love this, but I’d rather have an indicator in the menu bar, an app notification, or maybe a nice flow around the "notch" like NotchNook. (https://lo.cafe/notchnook) Can't really afford to play with an app that would have such an... - Source: Hacker News / 9 months ago
I wondered how the webpage https://lo.cafe/notchnook managed to sell $100k in download. I mean one cannot even zoom in on the screenshot, there's no list of features. Then I saw the tool was reviewed on, for example... - Source: Hacker News / about 2 years ago
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Open source Dynamic Island for your Mac's Notch
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The most affordable postal code API. 240+ countries, sub-5 ms responses. Simple, elegant, transparent.
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Your currently playing track displayed right on your desktop
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