§ The result
Bullhorn leads isolved by 7 points.
Bullhorn scores 54 and isolved 47 under rubric v1.0 — a 7-point gap inside the ATS-integrated cohort. isolved takes 1 of the 7 criteria, Post-Market Monitoring among them, against 6 for Bullhorn, whose share includes Article 11 Technical Documentation. The widest raw gap and the heaviest weighted swing fall on different criteria: Bias Audit Transparency (Bullhorn 58, isolved 45) and Article 11 Technical Documentation at 20% (Bullhorn 62, isolved 50), the second being 30% of the weighted advantage Bullhorn holds across the 6 criteria on that side of the table.
Vendor profile
Bullhorn
Bullhorn is a cloud-based applicant tracking system and CRM for staffing and recruiting agencies, with AI features (Bullhorn Copilot/Amplify, automation, and Textkernel-powered search and match) that source, screen, and rank candidates against jobs.
Vendor profile
isolved
isolved is a US HCM and payroll provider whose isolved Talent Acquisition applicant tracking system (formerly ApplicantPro) uses AI Candidate Matching to score each applicant's resume against the job description and sort the applicant list, alongside AI job-ad writing and WedgeHR-powered one-way video interviews.
§ The record
Bullhorn and isolved are both filed under ATS-integrated 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 | Bullhorn | isolved |
|---|---|---|
| Price tier | High | Mid |
| Headquarters | US | US |
| Founded | 1999 | 1986 |
§ What decides it
The criteria that move the gap, heaviest swing first.
20% weight · 26% of the movement so far
Article 11 Technical Documentation
Bullhorn 62 · isolved 50
2.4 weighted points to Bullhorn
18% weight · 51% of the movement so far
Bias Audit Transparency
Bullhorn 58 · isolved 45
2.3 weighted points to Bullhorn
12% weight · 66% of the movement so far
Post-Market Monitoring
Bullhorn 35 · isolved 47
1.4 weighted points to isolved
15% weight · 79% of the movement so far
FRIA Support
Bullhorn 38 · isolved 30
1.2 weighted points to Bullhorn
15% weight · 90% of the movement so far
Data Governance Disclosure
Bullhorn 60 · isolved 53
1.1 weighted points to Bullhorn
12% weight · 97% of the movement so far
Human Oversight Design
Bullhorn 60 · isolved 55
0.6 weighted points to Bullhorn
8% weight · 100% of the movement so far
Customer Documentation
Bullhorn 60 · isolved 56
0.3 weighted points to Bullhorn
Weighted delta is the raw difference times the criterion weight, so the 7 figures above sum to +6.5 — the difference between the two totals before either is rounded. Shares are of 9.3 points of movement counted without direction. The table below rounds each side to a whole number first, so its Δ raw total reads +7 beside that +6.5.
§ Category-by-category
Raw score per criterion, with weighted delta.
Δ is Bullhorn minus isolved.
| Category | Weight | Bullhorn | isolved | Δ raw | Δ weighted |
|---|---|---|---|---|---|
| Article 11 Technical Documentation | 20% | 62 | 50 | +12 | +2.4 |
| Bias Audit Transparency | 18% | 58 | 45 | +13 | +2.3 |
| FRIA Support | 15% | 38 | 30 | +8 | +1.2 |
| Data Governance Disclosure | 15% | 60 | 53 | +7 | +1.1 |
| Human Oversight Design | 12% | 60 | 55 | +5 | +0.6 |
| Post-Market Monitoring | 12% | 35 | 47 | -12 | -1.4 |
| Customer Documentation | 8% | 60 | 56 | +4 | +0.3 |
| Total | 100% | 54 (F) | 47 (F) | +7 | +6.5 |
§ 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 | Bullhorn | isolved | ||||
|---|---|---|---|---|---|---|---|
| Cited | Absences | Audit / hosting | Cited | Absences | Audit / hosting | ||
| Article 11 Technical Documentation | 20% | 2 | 1 | Sources on the vendor's own domain | 3 | 1 | Sources on the vendor's own domainSources on a separate domain |
| Bias Audit Transparency | 18% | 3 | 1 | Audit reportSources on the vendor's own domain | 4 | 1 | Audit reportSources on a separate domain |
| FRIA Support | 15% | 1 | 1 | — | 3 | 1 | Sources on the vendor's own domain |
| Data Governance Disclosure | 15% | 3 | 0 | Sources on the vendor's own domain | 6 | 0 | Sources on the vendor's own domainSources on a separate domain |
| Human Oversight Design | 12% | 2 | 1 | Sources on the vendor's own domain | 5 | 0 | Sources on the vendor's own domainSources on a separate domain |
| Post-Market Monitoring | 12% | 1 | 1 | Sources on the vendor's own domain | 5 | 1 | Sources on the vendor's own domain |
| Customer Documentation | 8% | 3 | 1 | Sources on the vendor's own domain | 5 | 1 | Sources on the vendor's own domainSources on a separate domain |
| All criteria | 100% | 15 | 6 | Audit reportSources on the vendor's own domain | 31 | 5 | Audit reportSources on the vendor's own domainSources on a separate domain |
Bullhorn has 20 evidence rows across 7 of 7 criteria — 15 with a source URL, 6 documented absences; isolved has 36 evidence rows across 7 of 7 criteria — 31 with a source URL, 5 documented absences; some documentation or audit rows for isolved 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: 20 for Bullhorn, across 2 distinct source domains, and 36 for isolved, across 4 distinct source domains.
- Rubric
- v1.0
- Bullhorn last reviewed
- June 7, 2026 · HireAIScore editorial team
- isolved 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