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Codility VS Underscore Done

Compare Codility VS Underscore Done and see what are their differences

Codility

Codility provides a SaaS platform with advanced validation, security and protection features to evaluate the skills of software engineers.

Rating
0 reviews
Alternatives Is it good?
Underscore Done

Real-world tasks your agent can't do alone.

Rating
0 reviews
Pricing
Paid $0.01 (Per api call)
Alternatives Is it good?
Modelence
Create production-ready applications with zero code sponsored
Note: These products don't have any matching categories. If you think this is a mistake, please edit the details of one of the products and suggest appropriate categories.

Which is more popular?

Based on our record, Codility should be more popular than Underscore Done. It has been mentioned 2 times since March 2021.

social mentions
2 vs 1
Hiring And Recruitment popularity
100% vs 0%
alternatives listed
240+ vs 2

Base details

Website, pricing, platforms and company facts side by side.

Codility
Underscore Done
Website codility.com underscoredone.com
Pricing
Official pricing
Paid $0.01 (Per api call) Official pricing
Platforms
Web Browser
—
Company — Startup from the United States · 2026
Listed in
Hiring And Recruitment Digital Interview Platform Online Learning Online Education Pre-employment Testing Technical Skills Assessment +3
APIs Developer APIs AI Agents AI +1

About Codility and Underscore Done

In their own words, as submitted to SaaSHub.

Codility
Underscore Done

The Codility platform includes: CodeCheck - Design role-specific remote skills assessments to screen your technical candidates before moving them to the interview stage. CodeLive - Host technical remote or onsite interviews via our shared editor using a range of templates and whiteboards....

Read more about Codility

Underscore Done (_done) is a suite of pay-per-call utility APIs built for AI agents. No API keys, no subscriptions - agents pay per request with USDC via the x402 protocol

Read more about Underscore Done

Features and specs

What each product offers, as listed by its team.

Codility 7 features
Underscore Done 0 features
  • Automated Assessment
    Codility provides automated coding assessments that save time for both recruiters and candidates by quickly identifying technical abilities.
  • Standardized Testing
    Codility offers standardized tests, ensuring evaluations are consistent and unbiased across all candidates.
  • Diverse Question Bank
    The platform has a large repository of coding problems that cover a wide range of topics and difficulty levels, catering to various roles and expertise levels.
  • Real-Time Code Execution
    Codility allows for real-time code execution and validation, enabling candidates to see the results of their code immediately.
  • Customizable Tests
    Recruiters can create custom tests tailored to the specific needs of their company or position, making the assessments more relevant.
  • Detailed Reports
    Codility provides detailed reports and analytics on candidate performance, helping hiring managers to make data-driven decisions.
  • Integration Capabilities
    The platform integrates with various Applicant Tracking Systems (ATS) and other HR tools, streamlining the recruiting process.

Possible disadvantages

  • Cost
    Codility can be relatively expensive, especially for small companies or startups with limited recruitment budgets.
  • Learning Curve
    There might be a learning curve for both recruiters and candidates to get accustomed to the platform and its features.
  • Language Limitations
    While Codility supports multiple programming languages, some niche or less commonly used languages may not be available.
  • Potential Stress for Candidates
    Automated assessments can induce stress for candidates, which might not accurately reflect their true abilities in a real-world setting.
  • Internet Connection Dependency
    A stable internet connection is required to complete assessments, which can be a limitation in areas with unreliable internet access.
  • Limited Collaboration Features
    Codility's focus on individual assessments means it has limited support for evaluating collaborative or team-based coding skills.
  • Algorithm Focus
    The platform often emphasizes algorithmic problem-solving, which may not fully represent the day-to-day coding skills required for certain positions.

No features have been listed yet.

Videos

Walkthroughs and reviews on video.

Codility 1 video + Add
Underscore Done 0 videos + Add

An Introduction to Codility: The Tech Hiring Platform for Engineering Teams

No Underscore Done videos yet. You could help us improve this page by suggesting one.

Category popularity

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100
Codility
Underscore Done
100% 100%
Hiring And Recruitment
0% 0%
0% 0%
AI Agents
100% 100%
100% 100%
Candidate Screening And Assessment
0% 0%
0% 0%
AI
100% 100%

Questions & Answers

As answered by people managing Codility and Underscore Done.

What makes your product unique?

Underscore Done's answer:

We provide data and actions that AI cannot achieve.

Also we don't require accounts, registration, api keys. And we charge per usage and never charge monthly subscriptions.

How would you describe the primary audience of your product?

Underscore Done's answer:

Ai Agents that work on behalf of people.

User comments

Share your experience with using Codility and Underscore Done. For example, how are they different and which one is better?

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Reviews and articles

External articles and on-site reviews we used to compare the two products.

Codility no reviews yet
Underscore Done no reviews yet
  • Examining Top 22 Alternatives to LeetCode
    www.inven.ai · Jun 2024

    Codility is a platform that helps companies assess the coding skills of developers. They offer a range of online coding tests and assessments that enable employers to evaluate candidates' technical abilities.

We have no reviews of Underscore Done yet. Be the first one to post

Social recommendations and mentions

Recommendations tracked on public social media and blogs since March 2021.

Codility 2 mentions
Underscore Done 1 mention
  • How to Hire Mobile App Developers
    - Technical skills: have they got the walk to match the talk? Programming languages on a resume mean little if candidates are unable to demonstrate their hard coding skills. You can test these skills with technical skill tests, such as... - Source: dev.to / over 2 years ago
  • Best Websites Every Programmer Should Visit
    Codility : Verify and improve coding skills. - Source: dev.to / over 5 years ago
  • Why I'm Passionate About x402
    _done is a catalog of small, pay-per-call utility APIs aimed at AI agents: things like DNS and WHOIS lookups, screenshots, OCR, hashing, QR codes, and SEO extraction. Every call costs one cent in USDC over x402. There's no account and no... - Source: dev.to / 17 days ago

Alternatives to Codility and Underscore Done

When comparing Codility and Underscore Done, you can also consider the following products.

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