§ The result
4 points separate Testlify and Willo.
Testlify (Assessment) edges Willo (Video interview) by 4 points under rubric v1.0, 45 to 41. The 7 criteria split 5 to 1 in favour of Testlify, with 1 level: Testlify is ahead on Article 11 Technical Documentation and Willo on Human Oversight Design. One criterion, Article 11 Technical Documentation, is both the widest raw gap (Testlify 52, Willo 38) and the heaviest weighted swing, and at 20% weight it makes up 51% of the weighted advantage Testlify holds across the 5 criteria it leads.
Vendor profile
Testlify
Testlify is a skills-assessment and AI-interviewing platform that ranks candidates on a scored leaderboard from pre-built or AI-generated tests, with an AI résumé screener, AI-scored video, voice and chat interviews, and AI-assisted proctoring.
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
Testlify is filed under Assessment AI, Willo under Video interview AI. They also share 1 secondary category: Screening.
Both are in scope of NYC LL 144, Illinois HB 3773, EU AI Act, Colorado AI Act and Mobley v. Workday.
| Record | Testlify | Willo |
|---|---|---|
| Price tier | Low | Low |
| Headquarters | US | GB |
| Founded | 2022 | 2018 |
§ What decides it
The criteria that move the gap, heaviest swing first.
20% weight · 44% of the movement so far
Article 11 Technical Documentation
Testlify 52 · Willo 38
2.8 weighted points to Testlify
15% weight · 63% of the movement so far
FRIA Support
Testlify 33 · Willo 25
1.2 weighted points to Testlify
12% weight · 76% of the movement so far
Human Oversight Design
Testlify 55 · Willo 62
0.8 weighted points to Willo
12% weight · 88% of the movement so far
Post-Market Monitoring
Testlify 42 · Willo 36
0.7 weighted points to Testlify
8% weight · 95% of the movement so far
Customer Documentation
Testlify 60 · Willo 54
0.5 weighted points to Testlify
15% weight · 100% of the movement so far
Data Governance Disclosure
Testlify 55 · Willo 53
0.3 weighted points to Testlify
Weighted delta is the raw difference times the criterion weight, so the 6 figures above sum to +4.7 — the difference between the two totals before either is rounded. Shares are of 6.3 points of movement counted without direction. The table below rounds each side to a whole number first, so its Δ raw total reads +4 beside that +4.7.
§ Category-by-category
Raw score per criterion, with weighted delta.
Δ is Testlify minus Willo.
| Category | Weight | Testlify | Willo | Δ raw | Δ weighted |
|---|---|---|---|---|---|
| Article 11 Technical Documentation | 20% | 52 | 38 | +14 | +2.8 |
| Bias Audit Transparency | 18% | 30 | 30 | - | - |
| FRIA Support | 15% | 33 | 25 | +8 | +1.2 |
| Data Governance Disclosure | 15% | 55 | 53 | +2 | +0.3 |
| Human Oversight Design | 12% | 55 | 62 | -7 | -0.8 |
| Post-Market Monitoring | 12% | 42 | 36 | +6 | +0.7 |
| Customer Documentation | 8% | 60 | 54 | +6 | +0.5 |
| Total | 100% | 45 (F) | 41 (F) | +4 | +4.7 |
§ 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 | Testlify | Willo | ||||
|---|---|---|---|---|---|---|---|
| Cited | Absences | Audit / hosting | Cited | Absences | Audit / hosting | ||
| Article 11 Technical Documentation | 20% | 4 | 1 | Sources on the vendor's own domain | 2 | 1 | Sources on the vendor's own domain |
| Bias Audit Transparency | 18% | 3 | 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% | 6 | 0 | Audit reportSources on the vendor's own domain | 2 | 0 | Sources on the vendor's own domain |
| Human Oversight Design | 12% | 6 | 0 | Sources on the vendor's own domain | 2 | 0 | Sources on the vendor's own domain |
| Post-Market Monitoring | 12% | 5 | 1 | Sources on the vendor's own domain | 1 | 1 | Sources on the vendor's own domain |
| Customer Documentation | 8% | 5 | 1 | Sources on the vendor's own domain | 1 | 1 | Sources on the vendor's own domain |
| All criteria | 100% | 31 | 5 | Audit reportSources on the vendor's own domain | 9 | 5 | Sources on the vendor's own domain |
Testlify has 36 evidence rows across 7 of 7 criteria — 31 with a source URL, 5 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 50 evidence rows on file for these two vendors: 36 for Testlify, across 1 distinct source domain, and 14 for Willo, across 1 distinct source domain.
- Rubric
- v1.0
- Testlify last reviewed
- September 25, 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