With skills-based hiring on the rise, recruiters are relying on technology to evaluate candidates more effectively and efficiently. Among the popular names in this space is Mettl by Mercer, a robust online assessment platform that caters to a wide range of industries and roles—including technical hiring.
In this comprehensive review, we break down Mettl’s key features, strengths, limitations, and how it compares to other technical assessment platforms and online coding test platforms in today’s competitive hiring landscape.
What Is Mettl?
Mettl is a versatile technical assessment platform designed to simplify and scale candidate evaluation for both technical and non-technical roles. It provides an end-to-end solution for screening, skill validation, and remote proctoring, making it one of the most comprehensive online assessment platforms available.
Acquired by Mercer in 2018, Mettl has grown to serve clients across 90+ countries, helping companies make data-driven hiring decisions through secure and customizable assessments.
Key Features
1. Extensive Test Library
Mettl offers a rich library of pre-built assessments across technical, cognitive, behavioral, and domain-specific skills. For coding roles, the platform supports programming tests in languages like Java, Python, C++, and more, making it a capable online coding test platform.
2. Custom Test Creation
In addition to its ready-to-use assessments, Mettl allows recruiters to build custom tests tailored to specific job requirements. This flexibility is essential when evaluating specialized skills or unique role expectations.
3. Real-Time Proctoring
One of Mettl’s strongest features is its AI-powered remote proctoring system. It includes facial recognition, browser activity monitoring, and flags suspicious behavior in real time—ensuring the integrity of assessments, even in remote settings.
4. Coding Simulators
Mettl’s coding simulators replicate real development environments, enabling recruiters to assess a candidate’s ability to write, compile, and debug code. As an online coding test platform, it helps measure hands-on coding proficiency effectively.
5. Role-Based Assessments
Mettl offers tailored assessments for various job roles, including software developers, data scientists, and DevOps engineers. These tests are curated to align with industry standards and role-specific competencies.
6. Insightful Analytics
The platform provides detailed reports with performance metrics, benchmarking, and skill gap analysis. These insights help hiring managers make informed decisions and identify top talent faster.
Pros
- Versatile Use Cases: Suitable for hiring, L&D, certification, and academic testing
- Secure Assessments: Best-in-class proctoring tools to minimize cheating
- Scalable Platform: Supports high-volume hiring and multi-location assessments
- Multi-Skill Testing: Beyond tech, it covers aptitude, communication, and psychometrics
- ATS Integration: Integrates with popular applicant tracking systems like Greenhouse and Workday
Cons
- Interface Complexity: First-time users may face a slight learning curve due to the wide range of features
- Customization Limitations: While flexible, some UI elements and workflows may not be fully customizable
- Pricing Transparency: Detailed pricing is only available on request, which may be a barrier for small businesses
Mettl vs Other Assessment Platforms
Mettl stands out for its comprehensive approach to assessments, but it faces strong competition from other online assessment platforms like:
- HackerRank – A leading online coding test platform with a vast coding challenge library and strong developer branding tools
- CoderPad – Focused on collaborative, live coding interviews for real-time skill evaluation
- Codility – Offers detailed plagiarism detection and CodeLive features for remote tech interviews
- Evalgator – A customizable technical assessment platform tailored for campus drives and lateral hiring with both coding and aptitude evaluations
While platforms like HackerRank or CodeSignal focus heavily on coding roles, Mettl shines through its versatility—supporting a mix of technical, behavioral, and cognitive assessments.
Ideal Use Cases
Mettl is well-suited for:
- Enterprise-level hiring with high-volume assessment needs
- Remote-first teams seeking secure and scalable proctoring
- Hiring across diverse roles, not limited to technical or developer positions
- Companies conducting campus recruitment with structured workflows
Pricing
Mettl operates on a pay-per-assessment or license-based pricing model. It offers custom quotes based on usage volume, types of assessments, and integration needs. Though pricing isn’t publicly available, its flexible plans cater to both SMEs and large enterprises.
Conclusion
Mettl by Mercer is more than just a technical assessment platform—it’s a full-fledged evaluation ecosystem that helps companies assess technical skills, soft skills, and behavioral traits with equal precision. Its robust proctoring, customizable test formats, and comprehensive analytics make it one of the most secure and scalable online assessment platforms available today.
While it may not be the go-to solution for live pair programming or developer branding, it holds its own against specialized online coding test platforms by providing a well-rounded assessment experience.
If you’re looking for an all-in-one solution to support your hiring, training, and certification needs, Mettl is definitely worth considering.
