§ The result
Rezi leads Interview Sidekick on all 7 criteria.
Rubric js-v1.0 puts 29 points between Rezi (Resume AI) and Interview Sidekick (Live interview): 59 for Rezi, 30 for Interview Sidekick. Rezi leads every one of the 7 criteria and 5 of them by 20 raw points or more, Application Honesty among them; Interview Sidekick leads none. The widest raw gap and the heaviest weighted swing fall on different criteria: Employer & ATS Legitimacy (Interview Sidekick 20, Rezi 68) and Application Honesty at 20% (Interview Sidekick 18, Rezi 55), the second being 26% of the weighted advantage Rezi holds across the 7 criteria on that side of the table.
Vendor profile
Interview Sidekick
Interview Sidekick is a desktop AI interview assistant that offers mock-interview practice and a 10,000+ question bank before interviews, and during live interviews transcribes the interviewer's questions and feeds the candidate suggested answers through an on-screen overlay it markets as invisible to screen sharing.
Vendor profile
Rezi
Rezi is an AI resume builder that drafts and rewrites resume bullet points, summaries and cover letters, scores drafts against ATS formatting conventions with a 0-100 "Rezi Score", and adds a Chrome extension that autofills job applications on Workday, Greenhouse and Lever for the user to submit.
§ The record
Interview Sidekick is filed under Live interview assistance, Rezi under Resume & profile AI. They also share 1 secondary category: Career coaching.
| Record | Interview Sidekick | Rezi |
|---|---|---|
| Price tier | High | Mid |
| Headquarters | US | KR |
| Founded | 2024 | 2015 |
§ What decides it
The criteria that move the gap, heaviest swing first.
20% weight · 26% of the movement so far
Application Honesty
Interview Sidekick 18 · Rezi 55
7.4 weighted points to Rezi
15% weight · 51% of the movement so far
Employer & ATS Legitimacy
Interview Sidekick 20 · Rezi 68
7.2 weighted points to Rezi
20% weight · 72% of the movement so far
Data & Credential Safety
Interview Sidekick 28 · Rezi 58
6.0 weighted points to Rezi
15% weight · 86% of the movement so far
User Control & Transparency
Interview Sidekick 42 · Rezi 70
4.2 weighted points to Rezi
8% weight · 92% of the movement so far
Support & Accountability
Interview Sidekick 48 · Rezi 70
1.8 weighted points to Rezi
10% weight · 97% of the movement so far
Pricing & Cancellation Fairness
Interview Sidekick 48 · Rezi 62
1.4 weighted points to Rezi
12% weight · 100% of the movement so far
Effectiveness Evidence
Interview Sidekick 25 · Rezi 32
0.8 weighted points to Rezi
Weighted delta is the raw difference times the criterion weight, so the 7 figures above sum to -28.8 — the difference between the two totals before either is rounded. Shares are of 28.8 points of movement counted without direction. The table below rounds each side to a whole number first, so its Δ raw total reads -29 beside that -28.8.
§ Category-by-category
Raw score per criterion, with weighted delta.
Δ is Interview Sidekick minus Rezi.
| Category | Weight | Interview Sidekick | Rezi | Δ raw | Δ weighted |
|---|---|---|---|---|---|
| Application Honesty | 20% | 18 | 55 | -37 | -7.4 |
| Data & Credential Safety | 20% | 28 | 58 | -30 | -6.0 |
| User Control & Transparency | 15% | 42 | 70 | -28 | -4.2 |
| Employer & ATS Legitimacy | 15% | 20 | 68 | -48 | -7.2 |
| Effectiveness Evidence | 12% | 25 | 32 | -7 | -0.8 |
| Pricing & Cancellation Fairness | 10% | 48 | 62 | -14 | -1.4 |
| Support & Accountability | 8% | 48 | 70 | -22 | -1.8 |
| Total | 100% | 30 (F) | 59 (F) | -29 | -28.8 |
§ 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 | Interview Sidekick | Rezi | ||||
|---|---|---|---|---|---|---|---|
| Cited | Absences | Audit / hosting | Cited | Absences | Audit / hosting | ||
| Application Honesty | 20% | 3 | 1 | Sources on the vendor's own domain | 4 | 1 | Sources on the vendor's own domain |
| Data & Credential Safety | 20% | 5 | 1 | Sources on the vendor's own domain | 5 | 1 | Sources on the vendor's own domainSources on a separate domain |
| User Control & Transparency | 15% | 4 | 0 | Sources on the vendor's own domain | 3 | 1 | Sources on the vendor's own domain |
| Employer & ATS Legitimacy | 15% | 3 | 1 | Sources on the vendor's own domain | 3 | 1 | Sources on the vendor's own domain |
| Effectiveness Evidence | 12% | 4 | 1 | Sources on the vendor's own domain | 4 | 2 | Sources on the vendor's own domainSources on a separate domain |
| Pricing & Cancellation Fairness | 10% | 5 | 1 | Sources on the vendor's own domain | 5 | 0 | Sources on the vendor's own domainSources on a separate domain |
| Support & Accountability | 8% | 4 | 1 | Sources on the vendor's own domainSources on a separate domain | 3 | 1 | Sources on the vendor's own domainSources on a separate domain |
| All criteria | 100% | 28 | 6 | Sources on the vendor's own domainSources on a separate domain | 27 | 7 | Sources on the vendor's own domainSources on a separate domain |
Interview Sidekick has 34 evidence rows across 7 of 7 criteria — 28 with a source URL, 6 documented absences; Rezi has 34 evidence rows across 7 of 7 criteria — 27 with a source URL, 7 documented absences; some documentation or audit rows for Interview Sidekick and Rezi sit on a domain separate from the vendor's own site.
Provenance
The scores above are documented by 68 evidence rows on file for these two vendors: 34 for Interview Sidekick, across 4 distinct source domains, and 34 for Rezi, across 6 distinct source domains.
- Rubric
- js-v1.0
- Interview Sidekick last reviewed
- September 4, 2026 · HireAIScore editorial team
- Rezi last reviewed
- September 4, 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