
TeamLink
Around
GoRemote
eyeSlick Active Media
Boomcaster
3veta
Everytale.net
Google's answer to Facetime, high-quality video calling on iOS and Android.

LeetCode
Codility
CodeSignal
iMocha
HackerEarth
Codewars
TestGorilla
HackerRank is a platform that allows companies to conduct interviews remotely to hire developers and for technical assessment purposes.

Which is more popular?
Based on our record, HackerRank seems to be a lot more popular than Google Duo. While we know about 67 links to HackerRank, we've tracked only 3 mentions of Google Duo.
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | duo.google.com | hackerrank.com |
| Company | 2016 | — |
| Listed in |
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.


No analysis of Google Duo yet.
Overall verdict
Why this product is good
Recommended for
HackerRank is recommended for students, individual learners, and job seekers looking to improve their coding skills, as well as for companies seeking an efficient way to evaluate candidates' technical abilities during the hiring process.
Walkthroughs and reviews on video.
Make a video call with Google Duo | Pixel
More videos
Is HackerRank A Good Idea?
More videos
How often each product is chosen within a category, 0–100% relative to the other.


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


Google Duo is a relatively recent attempt from Google to make Android’s version of FaceTime, and while it seemingly hasn’t managed that in terms of popularity, the quality is certainly there.
Google Duo works on both Android and iOS devices, allowing you to call your friends and family, regardless of what kind of smartphone they’re using. You either can place one-on-one calls or group voice and video chats...
Google Duo probably isn't the best app for group video chats. The app could add conference calling capabilities soon, however. Users may still want to operate with Skype for now.
What are LeetCode and LeetCode alternatives good for?LeetCode💡Interested in leveling up your career? Apply to the Formation Fellowship...
HackerRank’s challenges cover a wide range of topics and difficulty levels, allowing developers to enhance their problem-solving skills and learn new algorithms and data structures. The competitive nature of...
HackerRank offers a wide array of challenges across various domains such as algorithms, mathematics, SQL, and functional programming. Its interface is user-friendly, and the platform provides detailed feedback on...
Recommendations tracked on public social media and blogs since March 2021.


We are frequent users of the Duo For Web interface. We particularly like the quick way we can create a small group. Arranging a quick group meeting using Meet is more cumbersome as you have to send invites via email instead of just... Source: about 4 years ago
I've never tried this, but I think the is an option to use duo through a web browser, by logging into your google account. Take a look at: https://duo.google.com/about/. Source: over 4 years ago
Alternatively, you can ignore all that and use Duo on the web. Enroll in Duo on your Fi phone, then https://duo.google.com/about/ and login to Fi account. Click on a contact then select Voice call. Source: over 5 years ago
This way, you transfer what you already know (problem-solving) but only change the syntax. Platforms like Hackerrank are also great to solve the same problem in different languages and learn from other people’s solutions. - Source: dev.to / about 1 year ago
Firstly, solve some common data structure problems with it. Implement some data structures like arrays, linked lists, stacks, queues, etc. You can check common problems on LeetCode, Hackerank or some other resources. - Source: dev.to / over 2 years ago
I don't have a consecutive internet connection and I can't keep up learning process so I started practicing in hackerrank.com I have started some challenges in python and c++ there. Thus I have no internet connection so I cannot practice... Source: almost 3 years ago
When comparing Google Duo and HackerRank, you can also consider the following products.

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Codility provides a SaaS platform with advanced validation, security and protection features to evaluate the skills of software engineers.
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A free & simple yet powerful European based solution to go remote. Video & audio conferences, screen sharing & chat with end to end encryption. Keep your team close and productive
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CodeSignal is the leading assessment platform for technical hiring.
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