
When I Work
Deputy
ResourceGuru
Float
Ganttic
Shiftee
Bizimply
Sling is a free shift scheduling and communication software. It is built around four main features - shifts, messages, newsfeed and tasks, making it possible for managers to organize all aspects of their work on a single platform.

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 should be more popular than Sling. It has been mentioned 67 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | getsling.com | hackerrank.com |
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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
Sling is highly recommended for small to medium-sized businesses, especially those in retail, hospitality, or any sector where shift scheduling is integral. It is particularly useful for managers looking to streamline operations, enhance team communication, and improve overall staff management.
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.
Sling TV 2020 Review | Is it still the best budget option?
More videos
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Sling 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.


Sling offers a wide variety of integrated tools — everything from scheduling, time tracking, and communication to employee documents, team task management, and labor cost control — to help you streamline your...
Sling’s scheduling abilities aren’t unlike many of the other apps on this list. However, one stand-out feature is the fact that it comes with an availability tracker. That way, you can ensure that you only schedule...
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.


Using Sling (https://getsling.com/) for a distributed CS team. It's working pretty well. We're spread across six timezones, been using it for five months. Free version's done well enough for us. Source: about 4 years ago
If you want to try a free product, Sling scheduling app is good. You can google the reviews to see if that match your needs. Source: over 4 years ago
But I think you might want to look at some more dedicated scheduling software like Sling. Source: over 4 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 Sling and HackerRank, you can also consider the following products.

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Resource management software that helps teams schedule with clarity, plan with flexibility, and deliver projects with confidence.
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CodeSignal is the leading assessment platform for technical hiring.
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