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

Quizlet
Memrise
Duolingo
RemNote
Brainscape
Mochi
Cram
Anki is a program which makes remembering things easy. Because it's a lot more efficient than traditional study methods, you can either greatly decrease your time spent studying, or greatly increase the amount you learn.

Which is more popular?
Based on our record, Anki seems to be more popular. It has been mentioned 851 times since March 2021.
Website, pricing, platforms and company facts side by side.
|
ZIP
ZIP Code API
|
|
|
|---|---|---|
| Website | zip-codes.com | apps.ankiweb.net |
| Pricing | — | |
| Company | Startup from the United States · 2026 | Startup from Japan |
| 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 Anki 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
Walkthroughs and reviews on video.
No ZIP Code API videos yet. You could help us improve this page by suggesting one.
How I Learn Everything : Anki Tutorial
More videos
How often each product is chosen within a category, 0–100% relative to the other.

Share your experience with using ZIP Code API and Anki. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.

We have no reviews of ZIP Code API yet. Be the first one to post
Anki's manual uses "note" for a bundle of fields, not for a page of explanation. Related pieces of information sit in those fields. A card type is the blueprint that turns fields into cards. When you add a note, Anki...
Anki, if you want the same app free on every device: Windows, macOS, Linux, Android and the browser through AnkiWeb, with free sync and no ads, and only the official iOS app costs money as a one-time purchase. Mochi's...
If you look at the communities, they are beloved by most and others resent them for what they offer. Anki is feature rich, but is web native and does not offer an out of the box mobile App. In a modern world of on the...
Recommendations tracked on public social media and blogs since March 2021.

Tracking ZIP Code API since May 2026.
I am a big fan of [Anki](https://apps.ankiweb.net/) for spaced repetition flashcards so I built this as a way to learn and improve my terminal skills. The challenges are tailored to what I'm interested in (TMUX / VIM), but can easily be... - Source: Hacker News / 13 days ago
Thanks! I'm using [Anki Panky](https://github.com/kamalsacranie/anki-panky) for generating the flashcards and then [Anki](https://apps.ankiweb.net/) itself for learning them. - Source: Hacker News / 6 months ago
Careful using the Anki name, the original author of the app recently registered a trademark. > Anki is a registered trademark of Ankitects Pty Ltd. https://apps.ankiweb.net/. - Source: Hacker News / about 1 year ago
When comparing ZIP Code API and Anki, you can also consider the following products.

Smarty provides address validation, autocomplete, geocoding and reverse geocoding services covering addresses in over 240+ countries.
Compare Smarty to ZIP Code API or Anki:

Quizlet allows you to review and create flashcards for a variety of subjects, such as math and reading.
Compare Quizlet to ZIP Code API or Anki:

Free Zip Code API - Free Postal Code Validation | Zipcodestack
Compare Zipcodestack to ZIP Code API or Anki:

Learn a new language with games, humorous chatbots and over 30,000 native speaker videos.
Compare Memrise to ZIP Code API or Anki:

The most affordable postal code API. 240+ countries, sub-5 ms responses. Simple, elegant, transparent.
Compare PostalDataPI to ZIP Code API or Anki:

Duolingo is a free language learning app for iOS, Windows and Android devices. The app makes learning a new language fun by breaking learning into small lessons where you can earn points and move up through the levels. Read more about Duolingo.
Compare Duolingo to ZIP Code API or Anki: