Software Alternatives, Accelerators & Startups

interviewing.io VS Spoj

Compare interviewing.io VS Spoj and see what are their differences

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interviewing.io logo interviewing.io

Free, anonymous technical interview practice

Spoj logo Spoj

Sphere Online Judge created for the coders' community to train, to learn and to make progress.
  • interviewing.io Landing page
    Landing page //
    2022-11-02
  • Spoj Landing page
    Landing page //
    2023-09-28

interviewing.io features and specs

  • Anonymity
    Interviewing.io allows candidates to remain anonymous during the interview process, which can help reduce bias and make candidates more comfortable.
  • High-quality practice
    The platform provides opportunities to practice with real engineers from top tech companies, offering high-quality feedback and experience.
  • Cost-effective
    Many features on Interviewing.io are free, including the ability to conduct practice interviews and access to recordings and feedback.
  • Feedback and metrics
    Candidates receive detailed feedback and performance metrics after each interview, helping them identify areas of improvement.
  • Networking
    The platform can provide valuable networking opportunities by connecting candidates with engineers and potential employers from top tech companies.

Possible disadvantages of interviewing.io

  • Limited industry focus
    Interviewing.io primarily focuses on tech interviews, so it may not be useful for candidates looking for practice in other industries.
  • Variable interviewer quality
    The quality of interviewers can vary, which might affect the consistency of the practice and feedback received.
  • Scheduling challenges
    Finding convenient times for interviews can sometimes be challenging, especially if both the candidate and interviewer have busy schedules.
  • Stress and performance pressure
    Despite being a practice platform, candidates might still experience stress and performance pressure, similar to real interview scenarios.
  • Limited personalization
    The feedback and practice sessions are somewhat standardized, which may not always cater to the specific needs or unique backgrounds of individual candidates.

Spoj features and specs

  • Variety of Problems
    SPOJ offers a wide range of problems across various difficulty levels, which is beneficial for learners at different stages of their programming journey.
  • Community and Competitions
    It has an active community and hosts various competitions that can help in enhancing problem-solving skills and gaining competitive programming experience.
  • Support for Multiple Languages
    SPOJ supports a wide variety of programming languages, allowing users to practice and compete in their preferred language.
  • Rankings and Leaderboards
    Offers global and local rankings which can motivate users by creating a sense of competition and allowing them to track their progress among peers.

Possible disadvantages of Spoj

  • Outdated Interface
    The user interface and website design can feel outdated compared to more modern competitive programming platforms, which might be less appealing to new users.
  • Limited Learning Resources
    SPOJ focuses more on problem-solving and less on educational content or tutorials, which means beginners might need to look elsewhere to understand the fundamentals.
  • Inconsistent Problem Quality
    Some users have reported inconsistency in the quality and clarity of problems, which can be frustrating and lead to confusion.
  • Lack of Social Features
    The platform lacks advanced social features that allow for easy interaction and collaboration with other users, unlike some newer competitive programming websites.

interviewing.io videos

Technical Interviewing Anonymous: Aline Lerner, CEO @ Interviewing.io

Spoj videos

WHY SPHERE ONLINE JUDGE (SPOJ) IS GREAT

Category Popularity

0-100% (relative to interviewing.io and Spoj)
Online Learning
77 77%
23% 23
Online Education
72 72%
28% 28
Hiring And Recruitment
85 85%
15% 15
Online Courses
0 0%
100% 100

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare interviewing.io and Spoj

interviewing.io Reviews

The Best Code Interview Prep Platforms in 2020
Interviewing.io takes a very unique approach to coding interview prep. Rather than providing content and practice coding challenges, Interviewing.io has a library of actual video interviews that you can watch, and you can pay to anonymously take a mock interview with an engineering hiring manager.

Spoj Reviews

The 10 Most Popular Coding Challenge Websites [Updated for 2021]
Sphere Online Judge (SPOJ) is an online judge that provides over 20k coding challenges. You are able to submit your code in an online editor. SPOJ also hosts their own contests and has an area for users to discuss coding challenges. They do not currently provide any official solutions or editorials like some other websites do, though.
Top 25 websites for coding challenge and competition [Updated for 2021]
Best qualities: SPOJ has tons of mind-boggling coding challenges that will really test your skills. There are contests as well for you to participate in to showcase your skills.

Social recommendations and mentions

Based on our record, interviewing.io seems to be a lot more popular than Spoj. While we know about 99 links to interviewing.io, we've tracked only 2 mentions of Spoj. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

interviewing.io mentions (99)

  • How to Become a Backend Developer in 2025 ?
    Interviewing.io – Anonymous mock interview platform with real engineers from top tech companies. - Source: dev.to / 3 months ago
  • My Journey of Mastering Data Structures and Algorithms in 6 Months: Dos and Don'ts👩🏻‍💻
    Conduct Mock Interviews: Simulate interview scenarios using platforms like Pramp or Interviewing.io. This helps you manage time, pressure, and articulating your thought process. - Source: dev.to / 9 months ago
  • Rebooting (something like) early Triplebyte
    How is this different than https://interviewing.io/ ? - Source: Hacker News / 10 months ago
  • Ask HN: Any previous experience with interviewing.io dedicated coaches?
    Interviewing.io[1] lets users to practice mock interviews (coding interviews) with peers or professional interviewers. These interviews are anonymous. They also offer mentorship sessions with “dedicated coaches” from FAANG or other backgrounds. They claim 99% satisfaction rate and 82% of success (landing a job in the desired company). It sounds really vague and difficult to verify due to the anonymous aspect. Does... - Source: Hacker News / over 1 year ago
  • Guidance for cracking coding interviews
    There is also https://interviewing.io/, but that platform is a rip off. Either you need to pay an arm and a leg, or you need to trade two interviews that you do for others in exchange for a single interview that you receive. Pramp is much better in that respect. With Pramp, you interview the other job-hunter for 30 minutes and they interview you for 30 minutes. It's a much fairer exchange. Source: over 1 year ago
View more

Spoj mentions (2)

  • Core Python developer suspended for three months
    Before Timsort, I knew of Tim some 20 years ago from the ranking and online forum of SPOJ[1], a Polish competitive programming website where he always seemed to top the speed leaderboards with unorthodox usage of Python. He's exceptionally talented and original, and that sort of nonsense doesn't go well with a bureaucracy. [1] https://spoj.com. - Source: Hacker News / 9 months ago
  • Entrance Test for a school!
    Have you looked at spoj.com? It has a fair amount of different problems, some of them are pretty creative, you can take an inspiration from that. Source: about 4 years ago

What are some alternatives?

When comparing interviewing.io and Spoj, you can also consider the following products

AlgoExpert.io - A better way to prep for tech interviews

LeetCode - Practice and level up your development skills and prepare for technical interviews.

HackerRank - HackerRank is a platform that allows companies to conduct interviews remotely to hire developers and for technical assessment purposes.

Interview Cake - Free practice programming interview questions. Interview Cake helps you prep for interviews to land offers at companies like Google and Facebook.

CodinGame - CodinGame provides users with a fun and effective way to learn coding that eschews the rigid structure of traditional teaching methods.

Daily Coding Problem - Get exceptionally good at coding interviews