§ The result
3 points separate JazzHR and Willo.
JazzHR (ATS-integrated) edges Willo (Video interview) by 3 points under rubric v1.0, 44 to 41. JazzHR leads 5 of the 7 criteria, including Article 11 Technical Documentation, while Willo leads 2, including Human Oversight Design. Article 11 Technical Documentation is the widest raw gap and the heaviest weighted swing at once (JazzHR 45, Willo 38, 20% weight), but it accounts for only 39% of the weighted advantage JazzHR holds across the 5 criteria on that side of the table.
Vendor profile
JazzHR
JazzHR is a small-business applicant tracking system that manages job posting, applications and hiring workflows, and layers on AI "Talent Fit" scoring that ranks candidates against a job description plus automated knockout screening questions.
Vendor profile
Willo
Willo is a browser-based asynchronous (one-way) video interview platform that lets employers collect recorded video, audio, multiple-choice and written candidate responses, then uses AI to transcribe, summarize, rank candidates against employer-defined "Blueprint" criteria, and flag scripted or AI-generated answers.
§ The record
JazzHR is filed under ATS-integrated AI, Willo under Video interview AI. They also share 1 secondary category: Screening.
Both are in scope of EU AI Act, NYC LL 144, Colorado AI Act and Illinois HB 3773. Only Willo is in scope of Mobley v. Workday.
| Record | JazzHR | Willo |
|---|---|---|
| Price tier | Low | Low |
| Headquarters | US | GB |
| Founded | 2009 | 2018 |
§ What decides it
The criteria that move the gap, heaviest swing first.
20% weight · 33% of the movement so far
Article 11 Technical Documentation
JazzHR 45 · Willo 38
1.4 weighted points to JazzHR
18% weight · 54% of the movement so far
Bias Audit Transparency
JazzHR 35 · Willo 30
0.9 weighted points to JazzHR
12% weight · 71% of the movement so far
Post-Market Monitoring
JazzHR 42 · Willo 36
0.7 weighted points to JazzHR
12% weight · 82% of the movement so far
Human Oversight Design
JazzHR 58 · Willo 62
0.5 weighted points to Willo
15% weight · 93% of the movement so far
FRIA Support
JazzHR 28 · Willo 25
0.4 weighted points to JazzHR
8% weight · 96% of the movement so far
Customer Documentation
JazzHR 56 · Willo 54
0.2 weighted points to JazzHR
15% weight · 100% of the movement so far
Data Governance Disclosure
JazzHR 52 · Willo 53
0.1 weighted points to Willo
Weighted delta is the raw difference times the criterion weight, so the 7 figures above sum to +3.0 — the difference between the two totals before either is rounded. Shares are of 4.3 points of movement counted without direction. The table below rounds each side to a whole number first, so its Δ raw total reads +3 beside that +3.0.
§ Category-by-category
Raw score per criterion, with weighted delta.
Δ is JazzHR minus Willo.
| Category | Weight | JazzHR | Willo | Δ raw | Δ weighted |
|---|---|---|---|---|---|
| Article 11 Technical Documentation | 20% | 45 | 38 | +7 | +1.4 |
| Bias Audit Transparency | 18% | 35 | 30 | +5 | +0.9 |
| FRIA Support | 15% | 28 | 25 | +3 | +0.4 |
| Data Governance Disclosure | 15% | 52 | 53 | -1 | -0.1 |
| Human Oversight Design | 12% | 58 | 62 | -4 | -0.5 |
| Post-Market Monitoring | 12% | 42 | 36 | +6 | +0.7 |
| Customer Documentation | 8% | 56 | 54 | +2 | +0.2 |
| Total | 100% | 44 (F) | 41 (F) | +3 | +3.0 |
§ 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 | JazzHR | Willo | ||||
|---|---|---|---|---|---|---|---|
| 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% | 2 | 1 | — | 1 | 1 | — |
| FRIA Support | 15% | 2 | 1 | Sources on the vendor's own domainSources on a separate domain | 0 | 1 | — |
| Data Governance Disclosure | 15% | 2 | 1 | Sources on the vendor's own domainSources on a separate domain | 2 | 0 | Sources on the vendor's own domain |
| Human Oversight Design | 12% | 3 | 1 | Sources on the vendor's own domain | 2 | 0 | Sources on the vendor's own domain |
| Post-Market Monitoring | 12% | 2 | 1 | Sources on the vendor's own domain | 1 | 1 | Sources on the vendor's own domain |
| Customer Documentation | 8% | 3 | 1 | Sources on the vendor's own domainSources on a separate domain | 1 | 1 | Sources on the vendor's own domain |
| All criteria | 100% | 17 | 7 | Sources on the vendor's own domainSources on a separate domain | 9 | 5 | Sources on the vendor's own domain |
JazzHR has 24 evidence rows across 7 of 7 criteria — 17 with a source URL, 7 documented absences; Willo has 14 evidence rows across 7 of 7 criteria — 9 with a source URL, 5 documented absences; some documentation or audit rows for JazzHR sit on a domain separate from the vendor's own site.
Provenance
The scores above are documented by 38 evidence rows on file for these two vendors: 24 for JazzHR, across 2 distinct source domains, and 14 for Willo, across 1 distinct source domain.
- Rubric
- v1.0
- JazzHR last reviewed
- August 2, 2026 · HireAIScore editorial team
- Willo 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