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Top 15 Coding Assessments Tools in 2023

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18 February, 2023

Coding and programming are the top coveted skills globally, especially for companies in IT, design, and other development niches. There's no denying that their demand has surged drastically in the past few years. Organizations will, however, need recruitment software to find potential candidates.

So here is the drop-down list of the top 15 coding assessment tools that will streamline your hiring process while reducing hiring costs and time.

Regardless of geographical boundaries, companies have hired the top coders across the globe using these coding assessment tools. Read on to learn about them.




Top 15 Coding Assessment Tools

1. iMochaiMocha-new-homepage2

iMocha is one of the top cloud-based coding assessment tools that offer technical assessment in 35+ coding languages. The software provides the world's most extensive content library of 2500+ skills covering an array of globally demanding skills such as IT, Domain, Functional, Next-Gen, and so forth.

The coding screening platform has a fully-featured pre-built question repository of 1Lakh+ ready-to-use questions. Moreover, iMocha allows recruiters to add their question bank for further assessment customization.

iMocha is the most robust and advanced coding assessment software that offers several ever-upgrading programmer-friendly features such as Live Coding interviews, Coding Simulators, code plagiarism, and more.


  • 35+ programming languages with 3000+ real-time coding problems
  • 2500+ coding problems
  • Intellisense; a feature that auto-completes code lines and save times
  • Code Replay, code stubs, and code review
  • AI-LogicBox, fill in the blanks for programmers
  • GDPR compliant
  • Role-based access control
  • Talent Benchmarking

G2 Rating & No. Of Reviews: 4.5/5 (185 reviews): 4.5/5 (185 reviews)

Price: Visit the latest talent acquisition pricing plan.



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2. Mettl


Mercer Mettl is one of the top online coding assessment tools for hiring and developing the best coders. This tool is an integrated solution for recruiters that covers the entire hiring g lifespan; Plane, Screen, Interview, Upskill, and Engage. Furthermore, it is an easy-to-use and easy-to-integrate with existing platforms, tool. It supports 30+ languages around the globe, making it easier to adapt to different nationalities.


  • Fully auto-graded simulators
  • Real-time reporting
  • Automated Grading
  • Multilingual support
  • Graphical reports

G2 Rating & No. Of Reviews: 4.4/5 (457 reviews)

Price: $249



3. HackerRankHackerrank new

It's a cloud-based coding assessment platform that allows recruiters to connect quickly with various applicants. The tool evaluates and identifies candidates' technical skills to carry out a detailed and insightful performance report. The hiring manager can secure workflows by configuring access permissions and preventing unauthorized data exploitation through single sign-on (SSO) capabilities.


  • Wide range of coding challenges
  • Debugging interface
  • Code quality tools
  • Leaderboard ranking coders
  • Feedback management
  • Skills tracking

G2 Rating & No. Of Reviews: 4.7/5 (443 reviews)


  • Individual: $249/month
  • Teams: $599/month
  • Enterprise: On Request


4. HireVueHireVue-3HireVue is a coding screening platform that combines AI, data scientists, and industrial psychologists to mitigate any possible machine or human error. The software ensures the best hires for your organization through its five-step hiring process; Engage, screen, assess, interview, and hire. The software is integrated with some of the top ATS (Application Tracking Systems), Workday, SAP, Oracle and Taleo, and more.


  • Automated workflow
  • ATS integration
  • Consulting partners; TalentA, Deloitte, AMS, and so forth
  • Multilingual
  • Candidate management

G2 Rating & No. Of Reviews: 4.1/5 (95 reviews)

Price: $35000/month



5. Testgorilla


This is one of the most flexible and customizable coding assessment tools that allow employers to personalize the assessments, question bank, and user interface. Recruiters can design the question type, like multiple choice, long-form, or one-word, as per the role requirements. The software also facilitates integration with top platforms such as Greenhouse and SmartRecruiters.


  • After reaching the 10,000-exposure limit, questions are automatically replaced
  • AI-based smart proctoring; face, audio, and object detection
  • Intuitive UI/UX
  • Offers bulk email invites via ATS
  • One-way video interview

G2 Rating & No. Of Reviews: 4.5/5 (804 reviews) 

Price: Starting from $26/month



6. HackerEarth


Using this coding assessment platform, recruiters can experience seamless ATS integration, collaborative workflows, reduced hiring, and some more valuable features to leverage. The software lets the organization pre-screen candidates reduce hiring and the cost of hiring any technical professional. The content is customizable as per job and organizational needs. HackerEarth also provides comprehensive and analytical reports.


  • 80+ skills for developers
  • 40+ languages
  • AI-powered proctoring
  • Custom API
  • Question-based analytics
  • GDPR Compliance

G2 Rating & No. Of Reviews: 4.6/5 (274 reviews)

Price: $20/month



7. CodeSubmit


This coding assessment software comes with a seven-day free trial, exposing candidates to real-world problems to get accurate measures of their abilities. It supports take-home assessment challenges in 70+ languages and frameworks. Recruiters can conduct live coding sessions where shortlisted applicants pair up with other competitors and solve real-world challenges.


  • 70+ languages and frameworks
  • Take-home assessments
  • Real-world task
  • CodePlay superfast review
  • Code Pair supported by 24 languages
  • Seamless integration with Slack, Lever, Greenhouse, and Zapier

G2 Rating & No. Of Reviews: 4.9/5 (11 reviews)


  • Startup: $99/month (30 candidates)
  • Scaleup: $199/month (30 candidates)


8. Devskiller


DevSkiller, the only tool that employs RealLifeTesting to assess candidates, is one of the top coding assessment tools. By using this software, recruiters can keep track of candidates' entire hiring journey, from attraction to retention.


  • 200+ tech skills
  • Unbiased assessments
  • Provides automated and objective scoring
  • Easy to integrate with ATS
  • Fully customizable

G2 Rating & No. Of Reviews: 4.7/5 (55 reviews)

Price: On Request



9. Adaface tooladaface

Adaface tool is one of the top candidate-friendly coding assessment platforms that provide shorter assessments, question hints, friendly chatbots, and more. The software has served 1200+ companies from 75+ countries by far, growing the number even higher.


  • Non-googleable questions
  • 30-45 min candidate-friendly questions
  • Custom tests as per required skills
  • Granular scoring

G2 Rating & No. Of Reviews: 4.7/5 (28 reviews)

Price: On Request



Hiring managers spending too much time interviewing irrelevant candidates? Try iMocha's pre-hire assessment platform to filter qualified and best-fit candidates!



10. VervoeVervoe-4

Machine learning-based Vervoe creates auto-gradable, tailored skills assessments. The tool has white-label capabilities that allow consistent branding for your organization, including the company logo and custom colors. There are ATS integrations with some top platforms, including Greenhouse, Tray io, Zapier, and more.


  • 300+ skills in the content library
  • Fully customized
  • Eight coding languages
  • Live spreadsheets and presentations
  • Ten types of the question; visual and video questions

G2 Rating & No. Of Reviews: 4.6/5 (56 reviews)

Price: On Request



11. CodeSignalCodeSignal-Nov-15-2022-08-02-59-2135-AM

CodeSignal is one of the highly mentioned top advanced coding assessment tools for tech recruitment. It combines a real-world coding environment with 79+ programming languages and frameworks to predict a candidate's technical abilities. It also integrates some of the popular ATS platforms to create a seamless user experience for the clients.


  • 79+ programming languages and framework
  • Syntax highlighting
  • Monaco-powered integration
  • Extensive assessment library
  • Inline documentation
  • Easy to administer and use

G2 Rating & No. Of Reviews: 4.4/5 (604 reviews)

Price: On Request



12. CoderByte


This coding assessment tool conducts cloud-based pre-employment assessments for technical hiring. Using its activity dashboard, recruiters can monitor activity logs, send invitations, view completion status, configure system settings, and more. The software helps add business logos, customize subdomains, and send tailored official emails. 


  • Live interviews
  • IntelliSense editor
  • Accessible APIs
  • Cloud-based deployment
  • 30+ coding languages
  • Multiple-choice, open-ended, and video question

G2 Rating & No. Of Reviews: 4.4/5 (225 reviews)

Price: $199/user/month



13. TestDome


Testdome is one of the coding assessment platforms that empower hiring managers to assist candidates for job-specific roles using its robust library. It offers assessments in various demanding industries, such as programming, accounting, customer service, and more so.


  • Seamless integration
  • API Access
  • ATS integration
  • Full customization
  • Candidate management
  • Automated grading

G2 Rating & No. Of Reviews: 4.5/5 (91 reviews)


  • Starter: $20/candidate (5 candidates =$100)
  • Small: $16/candidate (25 candidates =$400)
  • Medium: $10/candidate (100 candidates =$1000)
  • Large: $8/candidate (300 candidates =$2400)
  • Extra Large: $7/candidate (600 candidates =$4200)


14. LeetCode


Leetcode is technical skills assessment platform that provides in-built tech communities with thousands of active users. By joining these communities, individuals can connect to the top coders around the globe and get their queries resolved. Although most of the content is free at Leetcode, features like the debugger pane, automated features, and more require a subscription.


  • 2600 practice questions
  • 14 coding languages
  • Built-in debugger
  • Interview simulations
  • Live Coding Interview

G2 Rating & No. Of Reviews: 0

Price: On Request



15. CodeScreen


CodeScreen aims to provide more real-world problems using everyday libraries to give a candidate's most accurate performance card. The software can be fully white-labeled for your company leading to consistent branding of your organization. It has several integrations, such as JazzHR, GreenHouse, Recruitee, and SmartRecruiteers.


  • Automated Grading
  • Code coverage analysis
  • Anonymous candidate mode
  • Custom assessment
  • Most accurate performance cards

G2 Rating & No. Of Reviews: 0


  • 20 candidates- $249/month
  • Business- $599/month
  • Enterprise- On request

We’ve created this comprehensive list of top developer assessment tools. Check out to know more.


Need help making informed hiring decisions? Use iMocha's digital skills assessments to make data-driven hiring decisions




What is a code assessment tool?

A code assessment tool is software used to evaluate the quality of code. Recruiters mainly use it during hiring, coders for practices, and SQA (Software Quality Assurance) professionals. Code assessment tools can perform the following functions:

  • Syntax and style check
  • Performance analysis
  • Code complexity
  • Security analysis

How do you assess coding skills?

Ways of assessing coding skills depend on the level of proficiency evaluated and the skills required from the applicant. Here are some commonly used methods

  • Written Tests
  • Coding Challenges
  • Pair programming
  • Code reviews
  • Live coding interviews
  • Real-world coding challenges

How do coding assessments work?

Recruiters mainly use coding assessments during technical hiring to estimate candidates' coding skills and abilities. These assessments are mainly conducted using online coding assessment tools such as iMocha, HackerRank, etc. Here's a brief on its working:

  • Candidate writes the assessment within a particular time duration
  • The tool automatically scores the candidate
  • Based on the score, follow-up interviews are conducted

Why is coding assessment important?

Coding assessment is important for various significant reasons, such as

  • Assessing technical skills
  • Reducing hiring time and cost
  • Evaluating candidate's job fitness
  • Eliminating unconscious biases
  • Bringing out the candidate's true potential
Payal Rajpoot
Payal Rajpoot
Payal Rajpoot is an experienced and extremely versatile SEO Content Writer at iMocha. Her extensive experience in the field comes from working with six different organizations and numerous national and international clients as a freelancer. She adapts easily to market demands to produce, create and manage content for SaaS B2B to B2C. Her content has helped organizations mark visible changes in website ranking. She has a unique predilection for food, books, and vision board, so she spends her leisure time discovering new recipes, binge-reading books, and creating enchanting mood boards.
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