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Psiphon
Hotspot Shield
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OpenVPN
ExpressVPN
Windscribe is a desktop application and browser extension that work together to block ads and trackers, restore access to blocked content and help you safeguard your privacy online.
Smarty
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PostalDataPI
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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

Which is more popular?
Based on our record, Windscribe seems to be more popular. It has been mentioned 140 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 | windscribe.com | zip-codes.com |
| Pricing | — | |
| Company | Startup from Canada | Startup from the United States · 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.

No description of Windscribe yet.
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...
What each product offers, as listed by its team.

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Why this product is good
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100% HONEST Windscribe Review 2020 ?
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External articles and on-site reviews we used to compare the two products.

Windscribe is a Canadian-based VPN alternative that comes with a paid version and a free tier with 10GB bandwidth per month. This software cannot assure the fast performance of NordVPN and others,but has many...
R.O.B.E.R.T. comes with all Windscribe plans, although the free plan will only allow you to add three custom online ads rules. It will, however, help with blocking overlay ads and avoid spyware-infected ads as well....
Windscribe offers the solution of VPN and Ad Block. It offers the solution as a desktop application and as a browser extension. It will let you browse privately and unblock the geo-restricted content. Your activities...
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Recommendations tracked on public social media and blogs since March 2021.

Windscribe (offers a free plan, with the option to purchase Argentina servers). Source: about 3 years ago
"In case you use OpenVPN servers and profiles, then you can use the open-source Windscribe client and load your OpenVPN profile in Windscribe. You will then be able to use Windscribe with your own server. At the time of disclosure, the... Source: about 3 years ago
And here’s a non-referral link too: https://windscribe.com/. Source: over 3 years ago
Tracking ZIP Code API since May 2026.
When comparing Windscribe and ZIP Code API, you can also consider the following products.

ProtonVPN is a security focused FREE VPN service, developed by CERN and MIT scientists. Use the web anonymously, unblock websites & encrypt your connection.
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Smarty provides address validation, autocomplete, geocoding and reverse geocoding services covering addresses in over 240+ countries.
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NordVPN offers VPN technology that encrypts data twice.
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Free Zip Code API - Free Postal Code Validation | Zipcodestack
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Psiphon is circumvention software for Windows and Mobile platforms that provides uncensored access to Internet content. Read more about Psiphon.
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The most affordable postal code API. 240+ countries, sub-5 ms responses. Simple, elegant, transparent.
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