
CalyxOS
LineageOS
Android
Ubuntu Touch
CopperheadOS
postmarketOS
e.foundation /e/
GrapheneOS is an open source privacy and security focused mobile OS with Android app compatibility.

USZipLookup
ZipCheckup
ZIP Code API
Smarty
Geoco.io
AZIPCODE
PostalCodes.app
Use our free ZIP Code Analysis Tool to find city, state, county, population, and timezone details for any U.S. ZIP code. Fast, accurate, and privacy-safe lookup.

Which is more popular?
Based on our record, GrapheneOS seems to be more popular. It has been mentioned 402 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | grapheneos.org | uszipcodes.org |
| Pricing | ||
| Platforms | — | |
| Company | — | Startup from India · 2025 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of GrapheneOS yet.
ZIP Code Analysis Tool is a web-based application that allows users to search any US ZIP code and instantly view detailed location-based data. The tool provides accurate information including city, state, county, latitude, longitude, and population statistics. It is designed for researchers,...
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.
GrapheneOS Review: Your BEST Secure & Private Mobile OS!
More videos
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How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing GrapheneOS and usZIPCodes.org.
usZIPCodes.org's answer:
Their ability to translate simple postal codes into sophisticated geographic insights for a wide range of business and research applications beyond their original mail delivery purpose.
usZIPCodes.org's answer:
The "story" behind the concept of a "ZIP Code analysis tool" is not about a single specific software product, but rather the evolution of the ZIP Code itself from a simple postal sorting mechanism into a powerful, multifaceted geographic data analysis unit used across many industries.
Share your experience with using GrapheneOS and usZIPCodes.org. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


GrapheneOS is a modern and sleek mobile operating system with a strong focus on privacy and robust security features. Developed as an open-source project, it builds upon the foundations of the Android Open Source...
If security and privacy are your main reasons behind your search for an Android alternative, GrapheneOS fits the bill perfectly. It’s a security-hardened operating system, built with top-notch privacy protection in...
GrapheneOS in an open source privacy-focused mobile operating system. It is focused on the research and development of privacy and security technology.
We have no reviews of usZIPCodes.org yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


But you can install other OSes such as Graphene on Android phones, I dont think you can do that on iPhones can you? https://grapheneos.org/. - Source: Hacker News / 29 days ago
You've got the ideal hardware to move to GrapheneOS https://grapheneos.org/. - Source: Hacker News / about 2 months ago
Zero Google services are shippsx by default, but you can install Play Store and Services in a sandbox and it has minimal privacy problems, depending on the permissions you give it. Their docs are really good, not only for their phone but... - Source: Hacker News / 4 months ago
Tracking usZIPCodes.org since Dec 2025.
When comparing GrapheneOS and usZIPCodes.org, you can also consider the following products.
Privacy-focused operating system for smartphones based on Android and microG
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Find any US ZIP code or Canadian postal code instantly. Search by city, address or code - get accurate location, county & population data free.
Compare USZipLookup to GrapheneOS or usZIPCodes.org:

Operating system for smartphones and tablet computers, based on the Android
Compare LineageOS to GrapheneOS or usZIPCodes.org:

Check water quality, product recalls, energy rebates, and safety alerts for any U.S. ZIP code. Free reports powered by EPA and government data.
Compare ZipCheckup to GrapheneOS or usZIPCodes.org:

Android is an open source mobile operating system initially released by Google in 2008 and has since become of the most widely used operating systems on any platform.
Compare Android to GrapheneOS or 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
Compare ZIP Code API to GrapheneOS or usZIPCodes.org: