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

Habitify
Habitica
Everyday
Streaks
Habit List
Loop Habit Tracker
HabitKit - Habit Tracker
Habit is a habit tracker application that allows users to keep track of the habits all day long and throughout the year.

Which is more popular?
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 | facebook.com |
| 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...
No description of Habit 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.

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Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
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2020 Cannondale Habit Review | Trail Bike of The Year Contender
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How often each product is chosen within a category, 0–100% relative to the other.

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This app is for real fans of check-lists and habit trackers. If you have been looking for a couch that would help you form a new useful habit, then this application is perfect for you. Habit offers convenient...
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Smarty provides address validation, autocomplete, geocoding and reverse geocoding services covering addresses in over 240+ countries.
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Free Zip Code API - Free Postal Code Validation | Zipcodestack
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Habitica is a free habit building and productivity application.
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The most affordable postal code API. 240+ countries, sub-5 ms responses. Simple, elegant, transparent.
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