Interview Clozo vs Interview Hammer.
Interview Hammer sells a “completely undetectable” stealth mode with zero published documentation, a homepage rating the App Store contradicts, and a money-back guarantee its own EULA voids. Here is the honest comparison.
Last updated: October 2026
Free trial with real AI · money-back guarantee — 14 days on Monthly, 30 on Yearly
Your trial also brings Never Take the First Offer, our salary negotiation book: the exact words for the salary conversation →Interview Clozo or Interview Hammer — which holds up in a live round?
Interview Hammer is the cheapest ticket in the category at $30/month list and puts answers on a second phone; Interview Clozo keeps everything on one Mac and honours its guarantee in writing rather than contradicting it. In one hands-on test 4 of 5 sessions failed to pair the two devices, App Store reviewers report freezing mid-call, the homepage shows 4.8/5 from 257 reviews while the App Store shows 4.1/5 from 14 ratings, and the pricing page advertises a money-back guarantee that the EULA voids by making every payment final. Interview Clozo is a native macOS app at $199/month or $999/yr, with a free trial that includes real AI and a money-back guarantee — 14 days on Monthly, 30 on Yearly.
Fair first. Then facts.
What they’re good at
Credit where due. The second-device concept is genuinely clever: if answers live on your phone, nothing suspicious runs on the interview machine. A competitor-run hands-on found transcription “speed and accuracy are both excellent,” signup takes under five minutes, and at $30/mo list — with promos seen as low as $15/mo — it is the cheapest ticket in the category. For entry-level behavioral screens, when it runs smoothly, reviewers say the answers are usable.
Where they fall short
In one hands-on test, 4 of 5 sessions failed to pair the two devices. App Store reviewers report freezing mid-call — Teams worst — and question recognition that arrives late with “unrelated aspects of the dialogue mixed in.” Two competitor-run tests found effectively no coding support despite the developer marketing. The homepage shows “4.8/5 · 257 reviews”; the App Store shows 4.1/5 from 14 ratings. The pricing page advertises a money-back guarantee; the EULA says every payment is final. And an independent newsletter documented astroturfing and a bribery offer to a subreddit moderator.
What we do differently
One native macOS app, one screen: answers stream into an always-on-top panel that never steals focus — nothing to pair, nothing to glance down at. Capture protection on documented macOS APIs, verified live and reported honestly. Question revision with immutable context snapshots, so a stale answer from the previous question can never reach your screen. And a money-back guarantee on every paid plan — 14 days on Monthly, 30 on Yearly — honored in writing, not contradicted by it.
The full receipt.
| Capability | Interview Hammer | Interview Clozo |
|---|---|---|
| Form factor | Desktop app relays answers to a linked second device (phone) | Native Mac app. One device, one screen, nothing to pair |
| Answer delivery | Read off your phone — “she could tell right away that I was peeking at my phone screen” (competitor-run test) | Always-on-top panel over the interview window; never steals focus; click-through capable |
| Device pairing | 4 of 5 test sessions failed to connect desktop↔phone (competitor-run hands-on) | No second device. No pairing. No link button |
| Reliability mid-call | Freezing reported on live calls, Teams worst; multi-day outages reported without refunds | Built for live rounds: one card per question, stale work discarded |
| Platform coverage | Zoom, Meet, Teams only; visible on latest macOS Zoom in a competitor test their own help docs acknowledge | Zoom, Teams, Webex, Meet and browser coding platforms, heard through your Mac’s own audio — no meeting bot, no virtual audio device |
| Coding support | Effectively none in two competitor-run tests, despite “For Developers” homepage marketing | Coding and system design, with screenshot vision on paid plans |
| Question recognition | “Recognized questions too late… unrelated aspects of the dialogue mixed into the results” (App Store, Oct 2025) | Question revision commits with immutable context snapshots; stale work is discarded before it reaches you |
| Context | Text-only prompt box; no resume or document upload; “would often lose track of the context” | Full interview memory: transcript, earlier Q&A, screenshots, resume/candidate context |
| Stealth documentation | “Completely undetectable” slogan; zero published technical documentation | Documented OS-level window protection, live-verified in the app |
| Homepage ratings | “4.8/5 · 257 reviews” displayed; the App Store shows 4.1/5 from 14 ratings | No review-count theater. The guarantee is the proof |
| Monthly price | $30/mo list; promos of $15/mo and $100/yr appear intermittently | Monthly |
| Refund policy | EULA: fees “non-refundable” and “final” — contradicting the pricing page’s “Money-Back Guarantee” | money-back guarantee on every paid plan — 14 days on Monthly, 30 on Yearly |
Two devices, one tell.
Interview Hammer’s stealth architecture is physical separation: the desktop app captures audio and screenshots, and answers arrive on your phone. Clever — until the human layer breaks it. In a competitor-run test, a friend watching the call “could tell right away that I was peeking at my phone screen.” The same tester needed five sessions to get a stable pairing; four froze on desktop or mobile. Gaze and reliability are the two things you cannot patch in a live interview.
- Answers stream into an always-on-top panel on the same screen as the interview
- The panel never steals focus and is click-through capable — your eyes stay on the call
- Global hotkeys steer the copilot without touching the mouse
- Jump back to earlier questions and forward again while new questions keep arriving
- Works with native meeting apps, browser interviews, and even phone screens routed through the Mac
“My friend said she could tell right away that I was peeking at my phone screen.”
Competitor-run hands-on, linkjob.ai · June 2026 · source
“A second-device workflow… can feel awkward because candidates may need to look away from the interviewer.”
Competitor review, extrabrain.app · May 2026 · source
It has to work in the room.
The most repeated failure in Interview Hammer’s App Store reviews is freezing mid-call — with Teams the worst offender. Recognition arrives late; unrelated dialogue leaks into answers; context evaporates: “the AI’s hallucinations were pretty intense… it would often lose track of the context and give unclear answers.” There is no documented question history, no resume upload — customization is a text-only prompt box.
Interview Clozo is engineered for exactly this reality. Streaming transcription produces question revisions; every revision commits with an immutable context snapshot, so partial questions refine instead of corrupting. A stale answer from the previous question can never reach your screen, and under rapid-fire follow-ups each question gets its own card — the Short Answer first, the other panes right behind it. Every answer draws on full interview memory — transcript, earlier Q&A, screenshots, resume and candidate context.
- Immutable context snapshot per question revision
- Stale or out-of-order answers discarded before they reach you
- Full-interview memory, not just the last utterance
- User-defined Content Panes with natural-language visibility rules
“It was useless for my Microsoft teams meeting and the app froze multiple times. It recognized questions too late and seemed to get unrelated aspects of the dialogue mixed into the results. Not reliable.”
App Store review, 1★ · October 2025 · source
“The AI’s hallucinations were pretty intense. Even after I fine-tuned the prompt ahead of time, it would often lose track of the context and give unclear answers.”
Competitor-run hands-on, linkjob.ai · June 2026 · source
One Mac. One screen. Everything in reach.
Here is the single-device version at work: move it, shape it, and park it flush against either edge.
- What this demo shows: moving and parking the cockpit in a live round.
- A pinch makes the window smaller and back to its size; Shift with a two-finger drag moves it to a new spot; dragging a pane’s title bar moves Long Answer to the top (desktop version).
- F7 and F9 park it flush against the left and right edges. Desktop version: clicking the close button once shows “End?”, which goes back after three seconds, so nothing ends by accident.
“Undetectable” is a property you document, not a slogan you print.
Interview Hammer’s promo video promises assistance that “remains completely undetectable,” with zero published documentation of what the toggle does at OS level. A competitor-run invisibility test found it visible on the latest macOS Zoom — a limitation its own help docs acknowledge — plus CodeSignal, Lark, and Webex. The homepage displays “4.8/5 · 257 reviews” while the App Store records 4.1/5 from 14 ratings. And an independent newsletter documented astroturfing campaigns, sockpuppet networks, ban evasion, and a direct bribery offer to a subreddit moderator.
- We use documented macOS capture protection applied at the window level — a real, documented OS capability, not a slogan
- Live verification in the app, with honest capability-state reporting
- No absolute claims. If a sharing mode can expose any tool, we say so
- Our App Store presence is a native macOS app — no dual mock-practice framing
“With Interview Hammer’s stealth mode, you get intelligent interview assistance that remains completely undetectable.”
Vendor promo video, as quoted by Adopting Zero Trust · August 2025 · source
“In one case, a representative offered to pay me directly to allow regular promotional posts.”
Subreddit moderator, Adopting Zero Trust · August 2025 · source
In their users’ own words.
“This app worked better than expected, the answers I was getting were super helpful. It saved me twice in the interview… Suggestion for the devs to include tutorial or something so it’s easier to know what to do.”
“This is useless during a meeting let alone an interview. I tested it out before and it worked great so purchased a month subscription but it was useless for my Microsoft teams meeting and the app froze multiple times.”
“I paid for subscription in April, it said it’s one time payment but it’s asking me for payment again.”
A note on their ratings: the homepage’s “4.8/5 · 257 reviews” matches numbers a different product advertises; the App Store records 4.1/5 from 14 ratings. A competitor-run review also found users reporting they were offered subscription discounts in exchange for 5-star reviews.
The moment the loop mixes code and behavior.
Two competitor-run tests found effectively no coding support in Interview Hammer. Watch one round, five questions back to back — the answer stack reshapes itself for each one: a behavioral story from the candidate’s own resume, a system design question with its diagram, a follow-up, commented code and an estimate.
- What this demo shows: one continuous interview in Interview Clozo, five questions, each on its own card, about a second after it has the question.
- “Tell me about a time something went wrong on a project you owned.” Already answered when the round opens: a first-person Short Answer built from the candidate’s own resume.
- “How would you architect a link shortener?” System Design Clarifying Questions appear above the Short Answer, then the Diagram pane draws the architecture.
- “You mentioned the edge cache. What if one link goes viral?” A technical follow-up built on what the candidate just said.
- “Write a function that merges overlapping intervals.” The approach to say first, then a Python listing with a comment on every line and a complexity line.
- “Rough numbers — how much storage for a billion links?” The Math pane works the estimate step by step.
- Shift and the left arrow walk back through every question to the first; every answer is still there.
That’s a whole round. Make it your next one.
Cheaper per month. Priced per risk.
Interview Hammer lists a lower monthly number. The question is what the payment buys when the app freezes mid-Teams-call, the coding round has no support, and the EULA overrides the money-back guarantee on the pricing page. Our free trial has real AI generations; our paid plans carry a written 14-day guarantee. That is the honest math.
Every claim, checkable.
interviewhammer.com — homepage slogans, “4.8/5 · 257 reviews” badge, developer marketing
interviewhammer.com/pricing — $30/mo Essential tier and the advertised “Money-Back Guarantee”
ZipoApps EULA — “non-refundable… final” subscription terms, verbatim
App Store listing — seller Zipo Apps Ltd.; actual rating 4.1/5 from 14 ratings; mock-practice framing
App Store review feed — verbatim, dated reviews quoted on this page
Adopting Zero Trust — independent newsletter: stealth marketing, astroturfing, moderator bribery offer (Aug 2025)
Linkjob AI hands-on review — competitor-run; pairing failures, invisibility test, context loss, transcription praise
Interview Sidekick review — competitor-run; no coding support, 3 platforms only, stealth black box
ExtraBrain review — competitor-run; the second-device workflow and the gaze problem
Guarantee
A guarantee in writing — not one the EULA voids
Interview Hammer’s pricing page advertises a “Money-Back Guarantee.” Its EULA says: “any fees paid for your purchase of a subscription plan are non-refundable” and “every purchase, sale, and trade of Goods shall be final and non-refundable, unless otherwise determined by us at our sole discretion.” A competitor-run review found Discord users who could not get refunds even during multi-day outages.
With Interview Clozo, use the product in real prep and real loops — 14 days on Monthly, 30 days on Yearly. If you are not noticeably sharper, email us and we refund every cent. Every paid plan, having used fewer than 200 generations. No forms, no exit interview.
The product carries the risk — not you.
Free with your trial · The Salary Negotiation Book
Firm on the number, warm on the person.
Our salary negotiation book, Never Take the First Offer, gives you 370+ word-for-word scripts and 140+ pushback answers for every money conversation, from the recruiter’s first call to the signed offer — plus worksheets to plan your numbers before you say one.
Before I name a number, could you share the range budgeted for this role? That way we both know quickly whether we’re aligned.— one of the scripts: “Ask for their range first”
2 steps to your free book: Start Free Trial, then sign in on your Mac.
Bonus: Never Take the First Offer, our salary negotiation book (PDF), emailed when you sign in on your Mac.
Your next 3 interviews are on us. Every feature unlocked, within 14 days.
Interview Hammer vs Interview Clozo — FAQ.
Interview Hammer’s promo video claims assistance that ‘remains completely undetectable,’ but there is zero published technical documentation of how its stealth mode works. A competitor-run test found it visible on the latest macOS Zoom — acknowledged in Interview Hammer’s own help docs — as well as CodeSignal, Lark, and Webex. Interview Clozo uses documented macOS capture protection applied at the window level, verifies it live in the app, and reports its capability state honestly.
Effectively no. Two competitor-run hands-on tests found no real coding-interview support — no HackerRank, CoderPad, or system design help — contradicting the homepage’s ‘For Developers’ marketing. Interview Clozo covers behavioral, coding, system design, case, and finance rounds, with screenshot vision on paid plans.
Interview Hammer’s pricing page advertises a ‘Money-Back Guarantee,’ but its EULA states that fees are ‘non-refundable’ and that ‘every purchase, sale, and trade of Goods shall be final and non-refundable, unless otherwise determined by us at our sole discretion.’ Interview Clozo offers a money-back guarantee on every paid plan — 14 days on Monthly, 30 on Yearly.
Interview Hammer lists a single Essential tier at $30/mo, with promotional pricing ($15/mo, $100/yr) appearing intermittently. Interview Clozo has a free trial with real AI generations, Monthly at $199/mo, and a $999/yr Yearly plan — every paid plan covered by a 14-day money-back guarantee.
Interview Hammer is published by Zipo Apps Ltd., an Israeli mobile-app aggregator with a portfolio of 80–200+ apps, per its App Store listing and company profiles. An independent 2025 newsletter documented the product’s astroturfing of job-seeking communities, including a bribery offer to a subreddit moderator.
Three more tools with a second-screen habit.
Where each of these lands on price per interview is set out in the 2026 copilot pricing comparison.
Interviews Chat, compared
The cheapest unlimited plan in the category at $29/mo, run honestly from a browser tab, with per-minute credits on the tier below.
Open the case file →
Verve AI, compared
The broadest cheap copilot — $44.99 Standard, $84.99 Pro month to month (Oct 2026) — with refunds narrowed to the vendor’s own technical failures.
See the receipts →
Sensei AI, compared
Unlimited browser-tab sessions at $89/mo, 15-minute free sessions, and a $288 annual plan that does not refund.
Read the comparison →
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Free trial with real AI · Money-back guarantee — 14 days on Monthly, 30 on Yearly · Mac app · The fairness case, both sides →