
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.

iKeyMonitor
FlexiSPY
mSpy
Pumpic
MobiStealth
Highster Mobile
Spyera
Prey is the simplest and most reliable solution for tracking, data protection & management for Windows, Mac, and mobile devices. Track with precise location, wipe, reset and secure devices across all platforms.

Which is more popular?
HackerRank might be a bit more popular than Prey. We know about 67 links to it since March 2021 and only 45 links to Prey.
Website, pricing, platforms and company facts side by side.
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| Website | hackerrank.com | preyproject.com |
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In their own words, as submitted to SaaSHub.


No description of HackerRank yet.
Prey is a device tracking, protection & administration solution for endpoints and mobile devices. Track, monitor, and manage your company's laptops, tablets, and mobiles within a single platform to prevent theft, avoid data loss, and give you visibility. With Prey, you can accurately track...
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
Prey is recommended for individuals who frequently travel or have multiple devices, small to medium-sized businesses that need to manage numerous devices, and educational institutions seeking an effective way to protect their tech investments.
Walkthroughs and reviews on video.
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 HackerRank and Prey. 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...
Prey is an anti-theft app available for Android, Windows, Mac, Linux and iOS. The app's free account can support 3 device logins at the same time, and can store up to 20 reports.
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
It's a shame that the Steam Deck has no such a thing like Apple's "Find my". I used to be a great fan of Prey Project, but I don't think it's installable on the Steam Deck without leaving Steam mode. https://preyproject.com. - Source: Hacker News / 12 months ago
Beware this can become a privacy nightmare with very real legal consequences, but the best I know is https://preyproject.com/. Source: about 3 years ago
The other - perhaps more important - reason to provide a laptop is data risk management. If the laptop is yours, you can force encryption, backups, and install endpoint security tools, which allow you to remotely wipe it if... Source: about 3 years ago
When comparing HackerRank and Prey, you can also consider the following products.

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FlexiSPY is the original "phone spy" software - it's been on the market since 2005.
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CodeSignal is the leading assessment platform for technical hiring.
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