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

Endel.io
Noisli
MyNoise
Calm
A Soft Murmur
Blanket
Earth.fm
Music designed for the brain to enhance focus, relaxation, meditation, naps and sleep within 10 - 15 minutes of use.

Which is more popular?
Based on our record, Brain.fm seems to be more popular. It has been mentioned 65 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 | brain.fm |
| Pricing | — | |
| Company | Startup from the United States · 2026 | Startup from the United States |
| 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...
No description of Brain.fm yet.
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
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Brain.fm Review - One year later!
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All work and no play makes Jack a dull boy. If you are the kind of person who likes to listen tomusic while working, you are not alone. Brain.fm is a productivity application that uses music tostimulate the brain and...
Give your brain what it needs to get the best of it. Brain.fm will provide you with the music you need to meditate, relax, sleep, work or focus. The first results start to show after 15 minutes of listening to...
Recommendations tracked on public social media and blogs since March 2021.

Tracking ZIP Code API since May 2026.
Some music genres can help during study. For me, it was breakcore since it's basically the same drum roll on repeat for the whole song. Another choice is the app brain.fm. It costs money though. Source: almost 3 years ago
Quality noise-cancelling headphones and a lifetime subscription to brain.fm - it's like a magic switch that channels me straight into focus mode. Source: almost 3 years ago
I remember really liking https://brain.fm but their pricing is exorbitant [0]. 0: https://www.brain.fm/pricing. - Source: Hacker News / about 3 years ago
When comparing ZIP Code API and Brain.fm, you can also consider the following products.

Smarty provides address validation, autocomplete, geocoding and reverse geocoding services covering addresses in over 240+ countries.
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Personalized sounds to help you focus and relax
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Free Zip Code API - Free Postal Code Validation | Zipcodestack
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Noisli is a fantastic background noise and color generator for working and relaxing. Online soothing ambient sounds like White noise, Rain and Coffee Shop.
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The most affordable postal code API. 240+ countries, sub-5 ms responses. Simple, elegant, transparent.
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Custom shaped online noise machines. Many Many generic sounds
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