
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.

Firebase
Heroku
CouchBase
Parse
Kuzzle
Kumulos
AWS Amplify
Low code backend to build apps faster and scale easily.
Which is more popular?
Based on our record, HackerRank seems to be a lot more popular than Back4App. While we know about 67 links to HackerRank, we've tracked only 1 mention of Back4App.
Website, pricing, platforms and company facts side by side.
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| Website | hackerrank.com | back4app.com |
| Pricing | — | |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of HackerRank yet.
Back4App supports developers and companies to accelerate backend development, improve development productivity, reduce time to market, and scale applications without managing infrastructure.
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
Back4App is recommended for startups, indie developers, and enterprises that require a reliable and cost-effective backend service to rapidly develop and deploy applications. It is ideal for those who prefer not to manage their own servers or infrastructure and for projects that need quick scalability and real-time data management, such as social apps, mobile applications, and IoT solutions.
Walkthroughs and reviews on video.
Is HackerRank A Good Idea?
More videos
Serverless GraphQL #01 - Introduction to GraphQL on Parse using Back4App
More videos
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using HackerRank and Back4App. 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...
Documentation and Guides:Official Docs: Refer to the official documentation of your chosen platform. For instance, Back4App and Parse have extensive guides on migrating from Firebase.Community Forums: Engage with...
Back4app is undoubtedly one of the most intriguing and high-quality free platforms for developing mobile and online apps.
Companies and development teams can definitely choose Back4App, a Firebase alternative, because it can process more than 3.5 billion requests on a monthly basis. Correspondingly, if you want Firebase-like services...
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
I'm using back4app.com which is a cloud service for parse server, you can fire cloud code using node. Recently they introduce containers, but I didn't use it. Source: over 3 years ago
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