§ The result
4 points separate Mercer | Mettl and Alooba.
Within the Assessment cohort, Mercer | Mettl edges Alooba by 4 points under rubric v1.0, 42 to 38. Alooba and Mercer | Mettl each lead 3 of the 7 criteria, with 1 level, though the side of the split Mercer | Mettl holds (headed by Bias Audit Transparency) adds up to more weighted points. One criterion, Bias Audit Transparency, is both the widest raw gap (Alooba 22, Mercer | Mettl 42) and the heaviest weighted swing, and at 18% weight it makes up 67% of the weighted advantage Mercer | Mettl holds across the 3 criteria it leads.
Vendor profile
Alooba
Alooba sells online skills assessments (auto-graded SQL, Python/R, multiple-choice and data-analysis tests, plus manually graded free-response and one-way video questions) that employers use to screen, benchmark and optionally auto-reject job candidates.
Vendor profile
Mercer | Mettl
Mercer | Mettl is an online talent assessment and remote-proctoring platform offering psychometric, aptitude, coding, and skills tests plus AI-assisted exam proctoring and scoring for hiring, certification, and L&D.
§ The record
Alooba and Mercer | Mettl are both filed under Assessment AI. They also share 1 secondary category: Screening.
Both are in scope of NYC LL 144, Illinois HB 3773, EU AI Act, Colorado AI Act and Mobley v. Workday.
| Record | Alooba | Mercer | Mettl |
|---|---|---|
| Price tier | Low | Mid |
| Headquarters | AU | IN |
| Founded | 2019 | 2010 |
§ What decides it
The criteria that move the gap, heaviest swing first.
18% weight · 49% of the movement so far
Bias Audit Transparency
Alooba 22 · Mercer | Mettl 42
3.6 weighted points to Mercer | Mettl
15% weight · 69% of the movement so far
Data Governance Disclosure
Alooba 45 · Mercer | Mettl 55
1.5 weighted points to Mercer | Mettl
12% weight · 85% of the movement so far
Human Oversight Design
Alooba 55 · Mercer | Mettl 45
1.2 weighted points to Alooba
8% weight · 91% of the movement so far
Customer Documentation
Alooba 58 · Mercer | Mettl 52
0.5 weighted points to Alooba
20% weight · 97% of the movement so far
Article 11 Technical Documentation
Alooba 40 · Mercer | Mettl 38
0.4 weighted points to Alooba
12% weight · 100% of the movement so far
Post-Market Monitoring
Alooba 36 · Mercer | Mettl 38
0.2 weighted points to Mercer | Mettl
Weighted delta is the raw difference times the criterion weight, so the 6 figures above sum to -3.3 — the difference between the two totals before either is rounded. Shares are of 7.4 points of movement counted without direction. The table below rounds each side to a whole number first, so its Δ raw total reads -4 beside that -3.3.
§ Category-by-category
Raw score per criterion, with weighted delta.
Δ is Alooba minus Mercer | Mettl.
| Category | Weight | Alooba | Mercer | Mettl | Δ raw | Δ weighted |
|---|---|---|---|---|---|
| Article 11 Technical Documentation | 20% | 40 | 38 | +2 | +0.4 |
| Bias Audit Transparency | 18% | 22 | 42 | -20 | -3.6 |
| FRIA Support | 15% | 28 | 28 | - | - |
| Data Governance Disclosure | 15% | 45 | 55 | -10 | -1.5 |
| Human Oversight Design | 12% | 55 | 45 | +10 | +1.2 |
| Post-Market Monitoring | 12% | 36 | 38 | -2 | -0.2 |
| Customer Documentation | 8% | 58 | 52 | +6 | +0.5 |
| Total | 100% | 38 (F) | 42 (F) | -4 | -3.3 |
§ Evidence
Cited sources and documented absences, criterion by criterion.
An absence is a finding, not a blank: the reviewer looked for a named artefact and recorded that it is not located. Where a source sits is a fact about hosting only.
| Criterion | Weight | Alooba | Mercer | Mettl | ||||
|---|---|---|---|---|---|---|---|
| Cited | Absences | Audit / hosting | Cited | Absences | Audit / hosting | ||
| Article 11 Technical Documentation | 20% | 5 | 1 | Sources on the vendor's own domain | 2 | 1 | Sources on the vendor's own domain |
| Bias Audit Transparency | 18% | 3 | 1 | — | 0 | 1 | — |
| FRIA Support | 15% | 1 | 1 | Sources on the vendor's own domain | 1 | 1 | — |
| Data Governance Disclosure | 15% | 5 | 1 | Sources on the vendor's own domain | 2 | 0 | Sources on the vendor's own domain |
| Human Oversight Design | 12% | 7 | 0 | Sources on the vendor's own domain | 2 | 0 | Sources on the vendor's own domain |
| Post-Market Monitoring | 12% | 3 | 1 | Sources on the vendor's own domainSources on a separate domain | 1 | 1 | Sources on the vendor's own domain |
| Customer Documentation | 8% | 4 | 1 | Sources on the vendor's own domain | 1 | 1 | Sources on the vendor's own domain |
| All criteria | 100% | 28 | 6 | Sources on the vendor's own domainSources on a separate domain | 9 | 5 | Sources on the vendor's own domain |
Alooba has 34 evidence rows across 7 of 7 criteria — 28 with a source URL, 6 documented absences; Mercer | Mettl has 14 evidence rows across 7 of 7 criteria — 9 with a source URL, 5 documented absences; some documentation or audit rows for Alooba sit on a domain separate from the vendor's own site.
Provenance
The scores above are documented by 48 evidence rows on file for these two vendors: 34 for Alooba, across 3 distinct source domains, and 14 for Mercer | Mettl, across 2 distinct source domains.
- Rubric
- v1.0
- Alooba last reviewed
- September 25, 2026 · HireAIScore editorial team
- Mercer | Mettl last reviewed
- June 7, 2026 · HireAIScore editorial team
HireAIScore scores are editorial research, not legal advice, and no vendor pays for placement, scoring or removal — see the methodology, conflicts policy and terms.
§ Where next