
Brain.fm
Calm
Noisli
Mubert
Captain
MyNoise
Earth.fm
Personalized sounds to help you focus and relax

USZipLookup
ZipCheckup
ZIP Code API
Smarty
Geoco.io
AZIPCODE
PostalCodes.app
Use our free ZIP Code Analysis Tool to find city, state, county, population, and timezone details for any U.S. ZIP code. Fast, accurate, and privacy-safe lookup.

Which is more popular?
Based on our record, Endel.io seems to be more popular. It has been mentioned 18 times since March 2021.
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | endel.io | uszipcodes.org |
| Pricing | — | |
| Platforms | — | |
| Company | Startup from Germany · 1 - 9 employees · 2018 | Startup from India · 2025 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of Endel.io yet.
ZIP Code Analysis Tool is a web-based application that allows users to search any US ZIP code and instantly view detailed location-based data. The tool provides accurate information including city, state, county, latitude, longitude, and population statistics. It is designed for researchers,...
What each product offers, as listed by its team.


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


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
How to Use Endel - Personalized Mood Music to Help Focus & Relax
More videos
No usZIPCodes.org videos yet. You could help us improve this page by suggesting one.
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Endel.io and usZIPCodes.org.
usZIPCodes.org's answer:
Their ability to translate simple postal codes into sophisticated geographic insights for a wide range of business and research applications beyond their original mail delivery purpose.
usZIPCodes.org's answer:
The "story" behind the concept of a "ZIP Code analysis tool" is not about a single specific software product, but rather the evolution of the ZIP Code itself from a simple postal sorting mechanism into a powerful, multifaceted geographic data analysis unit used across many industries.
Share your experience with using Endel.io and usZIPCodes.org. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


I highly recommend Endel app to anyone who wants to enhance their productivity and mental health. It's a great tool for developers, CTOs, and anyone who works in a fast-paced and demanding environment. Visit their website for more... - Source: dev.to / almost 3 years ago
I found that https://endel.io/ worked better for me than brain.fm. YMMV of course, but it's worth a try if brain.fm isn't your jam. - Source: Hacker News / almost 3 years ago
Hi MacOS community, is anyone aware of science-based soundscapes apps such as Endel? Preferably with a one-time purchase? Thank in advance. Source: over 3 years ago
Tracking usZIPCodes.org since Dec 2025.
When comparing Endel.io and usZIPCodes.org, you can also consider the following products.

Music designed for the brain to enhance focus, relaxation, meditation, naps and sleep within 10 - 15 minutes of use.
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Find any US ZIP code or Canadian postal code instantly. Search by city, address or code - get accurate location, county & population data free.
Compare USZipLookup to Endel.io or usZIPCodes.org:

Calm.com can help you reduce stress and increase calm.
Compare Calm to Endel.io or usZIPCodes.org:

Check water quality, product recalls, energy rebates, and safety alerts for any U.S. ZIP code. Free reports powered by EPA and government data.
Compare ZipCheckup to Endel.io or usZIPCodes.org:

Noisli is a fantastic background noise and color generator for working and relaxing. Online soothing ambient sounds like White noise, Rain and Coffee Shop.
Compare Noisli to Endel.io or 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
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