§ The result
Spark Hire leads Willo on 6 of the 7 criteria.
Spark Hire sits 12 points above Willo under rubric v1.0, 53 against 41, with both filed under Video interview. Spark Hire leads 6 of the 7 criteria and the remaining criterion is level, so Willo is ahead on none of them; the closest of the 6 Spark Hire leads is Post-Market Monitoring, Spark Hire 38 to Willo 36. Bias Audit Transparency is both the widest raw gap and the heaviest weighted swing — Spark Hire 62, Willo 30 — and at an 18% weight it carries 46% of the weighted advantage Spark Hire holds across the 6 criteria on that side of the table.
Vendor profile
Spark Hire
Spark Hire is a hiring platform combining one-way (async) and live video interviewing with an applicant tracking system (via its Comeet acquisition), and adds AI features that score and rank candidates' resumes and one-way video responses to help recruiters prioritize submissions.
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
Spark Hire and Willo are both filed under Video interview AI. They also share 1 secondary category: Screening.
Both are in scope of NYC LL 144, EU AI Act, Illinois HB 3773, Colorado AI Act and Mobley v. Workday.
| Record | Spark Hire | Willo |
|---|---|---|
| Price tier | Mid | Low |
| Headquarters | US | GB |
| Founded | 2012 | 2018 |
§ What decides it
The criteria that move the gap, heaviest swing first.
18% weight · 46% of the movement so far
Bias Audit Transparency
Spark Hire 62 · Willo 30
5.8 weighted points to Spark Hire
20% weight · 77% of the movement so far
Article 11 Technical Documentation
Spark Hire 58 · Willo 38
4.0 weighted points to Spark Hire
15% weight · 86% of the movement so far
Data Governance Disclosure
Spark Hire 60 · Willo 53
1.1 weighted points to Spark Hire
8% weight · 92% of the movement so far
Customer Documentation
Spark Hire 64 · Willo 54
0.8 weighted points to Spark Hire
15% weight · 98% of the movement so far
FRIA Support
Spark Hire 30 · Willo 25
0.8 weighted points to Spark Hire
12% weight · 100% of the movement so far
Post-Market Monitoring
Spark Hire 38 · Willo 36
0.2 weighted points to Spark Hire
Weighted delta is the raw difference times the criterion weight, so the 6 figures above sum to +12.6 — the difference between the two totals before either is rounded. Shares are of 12.6 points of movement counted without direction. The table below rounds each side to a whole number first, so its Δ raw total reads +12 beside that +12.6.
§ Category-by-category
Raw score per criterion, with weighted delta.
Δ is Spark Hire minus Willo.
| Category | Weight | Spark Hire | Willo | Δ raw | Δ weighted |
|---|---|---|---|---|---|
| Article 11 Technical Documentation | 20% | 58 | 38 | +20 | +4.0 |
| Bias Audit Transparency | 18% | 62 | 30 | +32 | +5.8 |
| FRIA Support | 15% | 30 | 25 | +5 | +0.8 |
| Data Governance Disclosure | 15% | 60 | 53 | +7 | +1.1 |
| Human Oversight Design | 12% | 62 | 62 | - | - |
| Post-Market Monitoring | 12% | 38 | 36 | +2 | +0.2 |
| Customer Documentation | 8% | 64 | 54 | +10 | +0.8 |
| Total | 100% | 53 (F) | 41 (F) | +12 | +12.6 |
§ 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 | Spark Hire | Willo | ||||
|---|---|---|---|---|---|---|---|
| Cited | Absences | Audit / hosting | Cited | Absences | Audit / hosting | ||
| Article 11 Technical Documentation | 20% | 2 | 1 | Sources on the vendor's own domain | 2 | 1 | Sources on the vendor's own domain |
| Bias Audit Transparency | 18% | 3 | 0 | Audit reportSources on a separate domain | 1 | 1 | — |
| FRIA Support | 15% | 1 | 1 | Sources on the vendor's own domain | 0 | 1 | — |
| Data Governance Disclosure | 15% | 3 | 0 | Sources on the vendor's own domain | 2 | 0 | Sources on the vendor's own domain |
| Human Oversight Design | 12% | 3 | 0 | 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% | 2 | 1 | Sources on the vendor's own domainSources on a separate domain | 1 | 1 | Sources on the vendor's own domain |
| All criteria | 100% | 16 | 4 | Audit reportSources on the vendor's own domainSources on a separate domain | 9 | 5 | Sources on the vendor's own domain |
Spark Hire has 20 evidence rows across 7 of 7 criteria — 16 with a source URL, 4 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 Spark Hire sit on a domain separate from the vendor's own site.
Provenance
The scores above are documented by 34 evidence rows on file for these two vendors: 20 for Spark Hire, across 2 distinct source domains, and 14 for Willo, across 1 distinct source domain.
- Rubric
- v1.0
- Spark Hire last reviewed
- June 7, 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