§ The result
iMocha leads Mercer | Mettl on all 7 criteria.
iMocha sits 14 points above Mercer | Mettl under rubric v1.0, 56 against 42, with both filed under Assessment. iMocha leads every one of the 7 criteria, Mercer | Mettl none of them, and the closest of the 7 is Bias Audit Transparency, iMocha 44 to Mercer | Mettl 42. Article 11 Technical Documentation is both the widest raw gap and the heaviest weighted swing — iMocha 68, Mercer | Mettl 38 — and at a 20% weight it carries 43% of the weighted advantage iMocha holds across the 7 criteria on that side of the table.
Vendor profile
iMocha
iMocha is an AI-powered skills assessment and skills-intelligence platform that evaluates candidates and employees across technical, cognitive, coding, and soft skills for hiring and internal talent management, including AI-based coding simulators and an AI video interviewer (Tara).
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
iMocha and Mercer | Mettl are both filed under Assessment AI. They also share 2 secondary categories: Video interview and Screening.
Both are in scope of NYC LL 144, Illinois HB 3773, EU AI Act, Colorado AI Act and Mobley v. Workday.
| Record | iMocha | Mercer | Mettl |
|---|---|---|
| Price tier | Mid | Mid |
| Headquarters | IN | IN |
| Founded | 2015 | 2010 |
§ What decides it
The criteria that move the gap, heaviest swing first.
20% weight · 43% of the movement so far
Article 11 Technical Documentation
iMocha 68 · Mercer | Mettl 38
6.0 weighted points to iMocha
12% weight · 59% of the movement so far
Human Oversight Design
iMocha 64 · Mercer | Mettl 45
2.3 weighted points to iMocha
15% weight · 70% of the movement so far
Data Governance Disclosure
iMocha 66 · Mercer | Mettl 55
1.6 weighted points to iMocha
15% weight · 81% of the movement so far
FRIA Support
iMocha 38 · Mercer | Mettl 28
1.5 weighted points to iMocha
12% weight · 90% of the movement so far
Post-Market Monitoring
iMocha 48 · Mercer | Mettl 38
1.2 weighted points to iMocha
8% weight · 97% of the movement so far
Customer Documentation
iMocha 66 · Mercer | Mettl 52
1.1 weighted points to iMocha
18% weight · 100% of the movement so far
Bias Audit Transparency
iMocha 44 · Mercer | Mettl 42
0.4 weighted points to iMocha
Weighted delta is the raw difference times the criterion weight, so the 7 figures above sum to +14.1 — the difference between the two totals before either is rounded. Shares are of 14.1 points of movement counted without direction. The table below rounds each side to a whole number first, so its Δ raw total reads +14 beside that +14.1.
§ Category-by-category
Raw score per criterion, with weighted delta.
Δ is iMocha minus Mercer | Mettl.
| Category | Weight | iMocha | Mercer | Mettl | Δ raw | Δ weighted |
|---|---|---|---|---|---|
| Article 11 Technical Documentation | 20% | 68 | 38 | +30 | +6.0 |
| Bias Audit Transparency | 18% | 44 | 42 | +2 | +0.4 |
| FRIA Support | 15% | 38 | 28 | +10 | +1.5 |
| Data Governance Disclosure | 15% | 66 | 55 | +11 | +1.6 |
| Human Oversight Design | 12% | 64 | 45 | +19 | +2.3 |
| Post-Market Monitoring | 12% | 48 | 38 | +10 | +1.2 |
| Customer Documentation | 8% | 66 | 52 | +14 | +1.1 |
| Total | 100% | 56 (F) | 42 (F) | +14 | +14.1 |
§ 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 | iMocha | Mercer | Mettl | ||||
|---|---|---|---|---|---|---|---|
| Cited | Absences | Audit / hosting | Cited | Absences | Audit / hosting | ||
| Article 11 Technical Documentation | 20% | 3 | 1 | Sources on the vendor's own domainSources on a separate domain | 2 | 1 | Sources on the vendor's own domain |
| Bias Audit Transparency | 18% | 3 | 1 | Sources on a separate domain | 0 | 1 | — |
| FRIA Support | 15% | 2 | 1 | Sources on the vendor's own domainSources on a separate domain | 1 | 1 | — |
| Data Governance Disclosure | 15% | 4 | 0 | Audit reportSources on the vendor's own domainSources on a separate domain | 2 | 0 | Sources on the vendor's own domain |
| Human Oversight Design | 12% | 3 | 0 | Sources on the vendor's own domainSources on a separate 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% | 3 | 1 | Sources on the vendor's own domain | 1 | 1 | Sources on the vendor's own domain |
| All criteria | 100% | 21 | 5 | Audit reportSources on the vendor's own domainSources on a separate domain | 9 | 5 | Sources on the vendor's own domain |
iMocha has 26 evidence rows across 7 of 7 criteria — 21 with a source URL, 5 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 iMocha sit on a domain separate from the vendor's own site.
Provenance
The scores above are documented by 40 evidence rows on file for these two vendors: 26 for iMocha, across 2 distinct source domains, and 14 for Mercer | Mettl, across 2 distinct source domains.
- Rubric
- v1.0
- iMocha last reviewed
- July 17, 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