§ The result
ADP leads ZipRecruiter on 6 of the 7 criteria.
ADP scores 48 and ZipRecruiter 40 under rubric v1.0, an 8-point gap across the ATS-integrated and Sourcing cohorts. ADP leads 6 of the 7 criteria and the remaining criterion is level, so ZipRecruiter is ahead on none of them; the closest of the 6 ADP leads is FRIA Support, ADP 28 to ZipRecruiter 27. One criterion, Bias Audit Transparency, is both the widest raw gap (ADP 46, ZipRecruiter 24) and the heaviest weighted swing, and at 18% weight it makes up 47% of the weighted advantage ADP holds across the 6 criteria it leads.
Vendor profile
ADP
ADP is an enterprise human capital management and payroll provider whose recruiting suite uses AI to parse, rank, and match job applicants via its Candidate Relevancy tool, ADP Assist generative-AI assistant/job-description generator, and skills intelligence.
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
ADP is filed under ATS-integrated AI, ZipRecruiter under Candidate sourcing 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.
| Record | ADP | ZipRecruiter |
|---|---|---|
| Price tier | Enterprise | Mid |
| Headquarters | US | US |
| Founded | 1949 | 2010 |
§ What decides it
The criteria that move the gap, heaviest swing first.
18% weight · 47% of the movement so far
Bias Audit Transparency
ADP 46 · ZipRecruiter 24
4.0 weighted points to ADP
20% weight · 78% of the movement so far
Article 11 Technical Documentation
ADP 53 · ZipRecruiter 40
2.6 weighted points to ADP
15% weight · 87% of the movement so far
Data Governance Disclosure
ADP 57 · ZipRecruiter 52
0.8 weighted points to ADP
12% weight · 94% of the movement so far
Post-Market Monitoring
ADP 45 · ZipRecruiter 40
0.6 weighted points to ADP
8% weight · 98% of the movement so far
Customer Documentation
ADP 58 · ZipRecruiter 54
0.3 weighted points to ADP
15% weight · 100% of the movement so far
FRIA Support
ADP 28 · ZipRecruiter 27
0.1 weighted points to ADP
Weighted delta is the raw difference times the criterion weight, so the 6 figures above sum to +8.4 — the difference between the two totals before either is rounded. Shares are of 8.4 points of movement counted without direction. The table below rounds each side to a whole number first, so its Δ raw total reads +8 beside that +8.4.
§ Category-by-category
Raw score per criterion, with weighted delta.
Δ is ADP minus ZipRecruiter.
| Category | Weight | ADP | ZipRecruiter | Δ raw | Δ weighted |
|---|---|---|---|---|---|
| Article 11 Technical Documentation | 20% | 53 | 40 | +13 | +2.6 |
| Bias Audit Transparency | 18% | 46 | 24 | +22 | +4.0 |
| FRIA Support | 15% | 28 | 27 | +1 | +0.1 |
| Data Governance Disclosure | 15% | 57 | 52 | +5 | +0.8 |
| Human Oversight Design | 12% | 55 | 55 | - | - |
| Post-Market Monitoring | 12% | 45 | 40 | +5 | +0.6 |
| Customer Documentation | 8% | 58 | 54 | +4 | +0.3 |
| Total | 100% | 48 (F) | 40 (F) | +8 | +8.4 |
§ 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 | ADP | 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% | 1 | 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% | 4 | 0 | 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 | 0 | 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% | 3 | 1 | Sources on the vendor's own domain | 4 | 1 | Sources on the vendor's own domain |
| All criteria | 100% | 18 | 5 | Sources on the vendor's own domain | 28 | 5 | Sources on the vendor's own domainSources on a separate domain |
ADP has 23 evidence rows across 7 of 7 criteria — 18 with a source URL, 5 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 56 evidence rows on file for these two vendors: 23 for ADP, across 2 distinct source domains, and 33 for ZipRecruiter, across 6 distinct source domains.
- Rubric
- v1.0
- ADP last reviewed
- July 17, 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