
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.

Breethe
Meditate Happier
Balance
Undo Natural Meditation app Listen to your body. Learn a new body-first approach.You can’t do it wrong. Educational course, proprietary tool, reconnect body mind.

Which is more popular?
Based on our record, HackerRank seems to be more popular. It has been mentioned 67 times since March 2021.
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | hackerrank.com | undoapp.com |
| Pricing | — | |
| Company | — | 2019 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of HackerRank yet.
Undo meditation app is loaded with insightful content that resonates with your body and makes complete sense. Easy to follow educational course, proprietary tool that reconnects your body and mind, transformative healing meditations to supercharge your recovery. Our vision is revolutionised world...
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
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.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing HackerRank and Undo App.
Undo App's answer:
Undo meditation app is loaded with insightful content that resonates with your body and makes complete sense. Easy to follow educational course, a proprietary tool that reconnects your body and mind, transformative healing meditations to supercharge your recovery.
Learn to feel with meditation that’s easy Your feelings determine your thinking and feelings come from your body. Undo meditation is anchored in your body. Powerful meditation with lasting impact. No techniques or dogma. Free yourself from overthinking and return to your optimal state.
Undo App's answer:
Undo was created in response to the deteriorating quality of meditation in the market. As experts in our field, we aim to set a higher standard in the industry. We can confidently say that we are the only meditation app that doesn’t use a meditation technique or dogma.
Meditation for beginners and seasoned alike, it’s easy for anyone to make sense of this approach. By stimulating the wisdom already present in your body it automatically integrates into your life. Undo ties up all your loose ends. Unanswered questions are completed. Inside of you, it feels like the final piece of the puzzle has been found and set in place, or like you’ve finally been heard and understood.
Share your experience with using HackerRank and Undo App. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


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...
We have no reviews of Undo App yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


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
Tracking Undo App since Sep 2023.
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