§ The result
2 points separate ZipRecruiter and impress.ai.
ZipRecruiter holds a 2-point edge over impress.ai under rubric v1.0, 40 to 38, across the Sourcing and Screening cohorts. ZipRecruiter leads 5 of the 7 criteria, including Article 11 Technical Documentation, while impress.ai leads 2, including Data Governance Disclosure. The widest raw gap and the heaviest weighted swing fall on different criteria: Post-Market Monitoring (impress.ai 32, ZipRecruiter 40) and Article 11 Technical Documentation at 20% (impress.ai 35, ZipRecruiter 40), the second being 34% of the weighted advantage ZipRecruiter holds across the 5 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
ZipRecruiter
ZipRecruiter is an online employment marketplace whose AI matching engine sends employers' job postings out, alerts matched job seekers and invites them to apply, and labels and ranks applicants (for example as 'Great Match') in the employer's candidate dashboard.
§ The record
impress.ai is filed under Screening AI, ZipRecruiter under Candidate sourcing AI. They record no secondary category in common.
Both are in scope of EU AI Act, NYC LL 144, Illinois HB 3773 and Colorado AI Act. Only impress.ai is in scope of Mobley v. Workday.
| Record | impress.ai | ZipRecruiter |
|---|---|---|
| Price tier | High | Mid |
| Headquarters | SG | US |
| Founded | 2017 | 2010 |
§ What decides it
The criteria that move the gap, heaviest swing first.
20% weight · 27% of the movement so far
Article 11 Technical Documentation
impress.ai 35 · ZipRecruiter 40
1.0 weighted points to ZipRecruiter
12% weight · 52% of the movement so far
Post-Market Monitoring
impress.ai 32 · ZipRecruiter 40
1.0 weighted points to ZipRecruiter
15% weight · 64% of the movement so far
Data Governance Disclosure
impress.ai 55 · ZipRecruiter 52
0.4 weighted points to impress.ai
18% weight · 74% of the movement so far
Bias Audit Transparency
impress.ai 22 · ZipRecruiter 24
0.4 weighted points to ZipRecruiter
12% weight · 83% of the movement so far
Human Oversight Design
impress.ai 52 · ZipRecruiter 55
0.4 weighted points to ZipRecruiter
8% weight · 92% of the movement so far
Customer Documentation
impress.ai 58 · ZipRecruiter 54
0.3 weighted points to impress.ai
15% weight · 100% of the movement so far
FRIA Support
impress.ai 25 · ZipRecruiter 27
0.3 weighted points to ZipRecruiter
Weighted delta is the raw difference times the criterion weight, so the 7 figures above sum to -2.2 — the difference between the two totals before either is rounded. Shares are of 3.7 points of movement counted without direction. The table below rounds each side to a whole number first, so its Δ raw total reads -2 beside that -2.2.
§ Category-by-category
Raw score per criterion, with weighted delta.
Δ is impress.ai minus ZipRecruiter.
| Category | Weight | impress.ai | ZipRecruiter | Δ raw | Δ weighted |
|---|---|---|---|---|---|
| Article 11 Technical Documentation | 20% | 35 | 40 | -5 | -1.0 |
| Bias Audit Transparency | 18% | 22 | 24 | -2 | -0.4 |
| FRIA Support | 15% | 25 | 27 | -2 | -0.3 |
| Data Governance Disclosure | 15% | 55 | 52 | +3 | +0.4 |
| Human Oversight Design | 12% | 52 | 55 | -3 | -0.4 |
| Post-Market Monitoring | 12% | 32 | 40 | -8 | -1.0 |
| Customer Documentation | 8% | 58 | 54 | +4 | +0.3 |
| Total | 100% | 38 (F) | 40 (F) | -2 | -2.2 |
§ 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 | ZipRecruiter | ||||
|---|---|---|---|---|---|---|---|
| Cited | Absences | Audit / hosting | Cited | Absences | Audit / hosting | ||
| Article 11 Technical Documentation | 20% | 2 | 1 | Sources on the vendor's own domain | 5 | 1 | Sources on the vendor's own domainSources on a separate domain |
| Bias Audit Transparency | 18% | 2 | 1 | Sources on the vendor's own domain | 3 | 1 | Sources on the vendor's own domainSources on a separate domain |
| FRIA Support | 15% | 2 | 1 | Sources on the vendor's own domain | 3 | 1 | Sources on the vendor's own domainSources on a separate domain |
| Data Governance Disclosure | 15% | 2 | 1 | Sources on the vendor's own domain | 4 | 0 | Sources on the vendor's own domainSources on a separate domain |
| Human Oversight Design | 12% | 3 | 1 | Sources on the vendor's own domain | 6 | 0 | Sources on the vendor's own domain |
| Post-Market Monitoring | 12% | 3 | 1 | Sources on the vendor's own domain | 3 | 1 | Sources on the vendor's own domain |
| Customer Documentation | 8% | 4 | 1 | Sources on the vendor's own domain | 4 | 1 | Sources on the vendor's own domain |
| All criteria | 100% | 18 | 7 | Sources on the vendor's own domain | 28 | 5 | Sources on the vendor's own domainSources on a separate domain |
impress.ai has 25 evidence rows across 7 of 7 criteria — 18 with a source URL, 7 documented absences; ZipRecruiter has 33 evidence rows across 7 of 7 criteria — 28 with a source URL, 5 documented absences; some documentation or audit rows for ZipRecruiter sit on a domain separate from the vendor's own site.
Provenance
The scores above are documented by 58 evidence rows on file for these two vendors: 25 for impress.ai, across 1 distinct source domain, and 33 for ZipRecruiter, across 6 distinct source domains.
- Rubric
- v1.0
- impress.ai last reviewed
- August 2, 2026 · HireAIScore editorial team
- ZipRecruiter last reviewed
- September 25, 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