
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.

HackerRank
CodeSignal
iMocha
HackerEarth
TestGorilla
DevSkiller
mettl
Codility provides a SaaS platform with advanced validation, security and protection features to evaluate the skills of software engineers.

Which is more popular?
Based on our record, GrapheneOS seems to be a lot more popular than Codility. While we know about 400 links to GrapheneOS, we've tracked only 2 mentions of Codility.
Website, pricing, platforms and company facts side by side.
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| Website | grapheneos.org | codility.com |
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| Listed in |
In their own words, as submitted to SaaSHub.


No description of GrapheneOS yet.
The Codility platform includes: CodeCheck - Design role-specific remote skills assessments to screen your technical candidates before moving them to the interview stage. CodeLive - Host technical remote or onsite interviews via our shared editor using a range of templates and whiteboards....
What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
No analysis of Codility yet.
Walkthroughs and reviews on video.
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using GrapheneOS and Codility. 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.
Codility is a platform that helps companies assess the coding skills of developers. They offer a range of online coding tests and assessments that enable employers to evaluate candidates' technical abilities.
Recommendations tracked on public social media and blogs since March 2021.


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 / about 2 months ago
Graphene is not a kind of Android. It doesn't even advertise itself as such: > GrapheneOS is a privacy and security focused mobile OS with Android app compatibility [https://grapheneos.org/]. - Source: Hacker News / 3 months ago
It's refreshing that projects like https://grapheneos.org/ that let you take control of your device again at least to some degree. - Source: Hacker News / 5 months ago
- Technical skills: have they got the walk to match the talk? Programming languages on a resume mean little if candidates are unable to demonstrate their hard coding skills. You can test these skills with technical skill tests, such as... - Source: dev.to / over 2 years ago
Codility : Verify and improve coding skills. - Source: dev.to / over 5 years ago
When comparing GrapheneOS and Codility, you can also consider the following products.
Privacy-focused operating system for smartphones based on Android and microG
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HackerRank is a platform that allows companies to conduct interviews remotely to hire developers and for technical assessment purposes.
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Operating system for smartphones and tablet computers, based on the Android
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CodeSignal is the leading assessment platform for technical hiring.
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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 Codility:
