§ The result
3 points separate Willo and impress.ai.
Willo (Video interview) edges impress.ai (Screening) by 3 points under rubric v1.0, 41 to 38. Willo leads 4 of the 7 criteria, including Bias Audit Transparency, while impress.ai leads 2, including Customer Documentation, and 1 is level. The widest raw gap and the heaviest weighted swing fall on different criteria: Human Oversight Design (impress.ai 52, Willo 62) and Bias Audit Transparency at 18% (impress.ai 22, Willo 30), the second being 39% of the weighted advantage Willo holds across the 4 criteria on that side of the table.
Vendor profile
impress.ai
impress.ai is a Singapore-headquartered recruitment automation platform that uses conversational AI assistants, resume parsing and scoring, and structured competency-based screening to filter, rank and shortlist job candidates, integrating with enterprise ATS systems.
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
impress.ai is filed under Screening AI, Willo under Video interview AI. They also share 1 secondary category: Assessment.
Both are in scope of EU AI Act, NYC LL 144, Illinois HB 3773, Colorado AI Act and Mobley v. Workday.
| Record | impress.ai | Willo |
|---|---|---|
| Price tier | High | Low |
| Headquarters | SG | GB |
| Founded | 2017 | 2018 |
§ What decides it
The criteria that move the gap, heaviest swing first.
18% weight · 33% of the movement so far
Bias Audit Transparency
impress.ai 22 · Willo 30
1.4 weighted points to Willo
12% weight · 61% of the movement so far
Human Oversight Design
impress.ai 52 · Willo 62
1.2 weighted points to Willo
20% weight · 75% of the movement so far
Article 11 Technical Documentation
impress.ai 35 · Willo 38
0.6 weighted points to Willo
12% weight · 86% of the movement so far
Post-Market Monitoring
impress.ai 32 · Willo 36
0.5 weighted points to Willo
8% weight · 93% of the movement so far
Customer Documentation
impress.ai 58 · Willo 54
0.3 weighted points to impress.ai
15% weight · 100% of the movement so far
Data Governance Disclosure
impress.ai 55 · Willo 53
0.3 weighted points to impress.ai
Weighted delta is the raw difference times the criterion weight, so the 6 figures above sum to -3.1 — 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 -3.1.
§ Category-by-category
Raw score per criterion, with weighted delta.
Δ is impress.ai minus Willo.
| Category | Weight | impress.ai | Willo | Δ raw | Δ weighted |
|---|---|---|---|---|---|
| Article 11 Technical Documentation | 20% | 35 | 38 | -3 | -0.6 |
| Bias Audit Transparency | 18% | 22 | 30 | -8 | -1.4 |
| FRIA Support | 15% | 25 | 25 | - | - |
| Data Governance Disclosure | 15% | 55 | 53 | +2 | +0.3 |
| Human Oversight Design | 12% | 52 | 62 | -10 | -1.2 |
| Post-Market Monitoring | 12% | 32 | 36 | -4 | -0.5 |
| Customer Documentation | 8% | 58 | 54 | +4 | +0.3 |
| Total | 100% | 38 (F) | 41 (F) | -3 | -3.1 |
§ 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 | impress.ai | 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% | 2 | 1 | Sources on the vendor's own domain | 1 | 1 | — |
| FRIA Support | 15% | 2 | 1 | Sources on the vendor's own domain | 0 | 1 | — |
| Data Governance Disclosure | 15% | 2 | 1 | Sources on the vendor's own 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% | 3 | 1 | Sources on the vendor's own 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% | 18 | 7 | Sources on the vendor's own domain | 9 | 5 | Sources on the vendor's own domain |
impress.ai has 25 evidence rows across 7 of 7 criteria — 18 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.
Provenance
The scores above are documented by 39 evidence rows on file for these two vendors: 25 for impress.ai, across 1 distinct source domain, and 14 for Willo, across 1 distinct source domain.
- Rubric
- v1.0
- impress.ai 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