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

CherryTree
Trilium Notes
Zim Wiki
Joplin
Notesnook
Milanote
Standard Notes
Cryptee is a safety and privacy focused, encrypted and cross-platform personal data storage service. You can write personal documents, notes, journals, store photos and all sorts of other files.

Which is more popular?
Based on our record, Cryptee seems to be more popular. It has been mentioned 79 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 | crypt.ee |
| Pricing | — | |
| Platforms | — | |
| Company | Startup from the United States · 2026 | Startup from Estonia · 2018 |
| 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...
Cryptee is a safety and privacy focused, encrypted and cross-platform personal data storage service. You can write personal documents, notes, journals, store photos and all sorts of other files. It works on all your devices and provides a zero-knowledge place to keep all your sensitive digital...
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
Overall verdict
Why this product is good
Recommended for
Individuals or organizations that require secure storage and privacy for their documents and photos, particularly those concerned about data tracking, surveillance, or needing a privacy-first cloud service alternative.
Walkthroughs and reviews on video.
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Google Photos Alternative: Cryptee (Encrypted and Open-Source Cloud Photo Storage)
How often each product is chosen within a category, 0–100% relative to the other.

Share your experience with using ZIP Code API and Cryptee. 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
Cryptee allows you to create, upload, preview, edit and save your formatted text, PDF files, to-do lists, math equations, photos, and code in 22 different languages. You can import files from other apps, organize all...
Cryptee isn’t the only privacy-minded documents app. Turtl is a private platform built with a similar mission. It is currently free to use and, like Cryptee, it does not store user passwords or information and is...
Recommendations tracked on public social media and blogs since March 2021.

Tracking ZIP Code API since May 2026.
> The only major hurdle to this is Apple continuing to treat web apps as second class citizens on iOS If you add a site to iOS' homescreen it automatically becomes a PWA. The best example I found of a site fully leveraging this feature... - Source: Hacker News / almost 3 years ago
Well, then - if self hosting is not your thing - something like crypt.ee might be your thing? Clearly a different pricing model, data is fully encrypted, open source, across platforms. Source: almost 3 years ago
Https://crypt.ee now. I used to mostly use local markdown editors like Ulysses and Zettlr. Source: over 3 years ago
When comparing ZIP Code API and Cryptee, 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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A hierarchical note taking application, featuring rich text and syntax highlighting, storing data in a single xml or sqlite file.
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Free Zip Code API - Free Postal Code Validation | Zipcodestack
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Trilium Notes is a hierarchical note taking application.
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The most affordable postal code API. 240+ countries, sub-5 ms responses. Simple, elegant, transparent.
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Zim is a graphical text editor used to maintain a collection of wiki pages. Each page can contain links to other pages, simple formatting and images.
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