What Is an Interview Copilot and How Does It Stay Invisible During Coding Interviews?
An Interview Copilot is a real-time AI assistant that runs alongside a live coding interview and feeds you solutions or hints while you talk to the interviewer. Interview Solver, the tool behind interviewsolver.com, is one example: it markets itself as an AI copilot for live coding interviews, claims to be invisible to screen sharing, and advertises real-time LeetCode-style solutions aimed at FAANG candidates. That combination — live help plus claimed invisibility — is the whole product, so it's worth understanding how the invisibility claim works, what the workflow looks like, and what you're actually taking on before you pay.
What "Interview Copilot" actually means
The term covers a narrow category, not general AI chat tools:
- It runs during the interview, not before. You're not practicing; you're getting output while the clock runs.
- It's built for coding problems. The advertised use case is LeetCode-style questions, not behavioral rounds or system design whiteboards.
- It's designed to sit outside the interviewer's view. The core selling point on interviewsolver.com is that it stays hidden from screen sharing, which is what separates it from just opening a chat window.
If a tool only generates practice questions or reviews your resume, it isn't an Interview Copilot in this sense.
How the invisibility claim is framed
Interview Solver's page presents the setup as two sides of one screen: "You, screensharing" and "Interviewer, watching your screen." The pitch is that the copilot lives on your side without appearing in what the interviewer sees.
A few things follow from that framing:
- Invisibility is a claim about screen capture, not about the interviewer. It says nothing about whether a human notices you reading, pausing, or typing something unrelated to what's on the shared screen.
- The mechanism isn't specified on the page. The site asserts invisibility to screen sharing but doesn't document how it's achieved, so you can't verify the method from the marketing copy alone.
- It's platform-dependent by nature. Anything that hides from one screen-sharing tool may behave differently in another, and the page doesn't list supported platforms or meeting apps.
Treat "invisible" as a vendor claim to test in your own environment, not a guarantee.
The live-solving workflow
Based on how this category of tool is positioned, the practical flow is:
- Before the interview — set up the copilot on the machine you'll interview from, and confirm it doesn't appear in a test screen share.
- During the interview — the problem is captured or entered, and the tool returns a solution or approach in real time while you keep the conversation going.
- After — you're left with whatever you said and typed, which is what the interviewer evaluates.
The gap between step 1 and step 2 is where most of the risk sits: a test share on your own setup doesn't reproduce the interviewer's machine, their meeting client, or a proctored environment.
What to check before buying
| Dimension | What to verify |
|---|---|
| Invisibility | Test against the exact screen-sharing tool your interviewer uses, not a generic one |
| Platform support | Confirm it works on your OS and the meeting software in your pipeline |
| Problem coverage | Ask whether it handles the question types you'll actually face, not just LeetCode patterns |
| Pricing | Check the pricing page directly — the source material links to one but doesn't state figures |
| Policy risk | Read your target company's interview and AI-use rules; many prohibit live assistance |
The risks the marketing doesn't cover
- Detection isn't only visual. Interviewers can ask you to explain your reasoning, change a constraint mid-problem, or share more than your editor. A solution you didn't derive is hard to defend under follow-up questions.
- Policy and integrity exposure. Using live AI help where it's prohibited can end the interview and, at some companies, affect future applications. That's a hiring-policy question, not a technical one.
- No published evidence of reliability. The page shows testimonials and feature headings but no independent testing, so the invisibility and accuracy claims rest on the vendor's word.
Who this is for — and who should skip it
If your goal is to pass a live coding screen you're not prepared for, an Interview Copilot is built for exactly that scenario, and Interview Solver is one option to evaluate. If your goal is to actually get better at interviews, the same money and time go further into practice, mock interviews, and pattern study — and you avoid the policy risk entirely. Either way, verify the invisibility claim on your own setup and read the pricing page before committing, since the source material doesn't state cost or access terms.