GhostCoder is one of a wave of "invisible overlay" interview tools that blew up on TikTok over the past year. The product most people mean when they search "ghostcoder review" is Ghost Engineer at ghostengineer.com — an AI coding-interview assistant that puts a transparent answer overlay on your screen that's supposed to stay hidden during screen share.
It's early-stage and low-profile. There's no funding announcement, no public user count, no founder doing podcast tours. So this review is going to be honest about what's actually verifiable and what isn't. Where the facts are thin, I'll say so instead of padding it out with guesses. If you want a heavier-researched competitor breakdown, the Parakeet AI review and the Final Round AI review have a lot more to chew on.
One thing to clear up first, because the names are a mess.
GhostCoder vs Ghost Engineer vs Ghost Coder
There are at least three near-identical names floating around, and search engines blur them together:
People type "ghostcoder review" and land on any of them. This piece focuses on Ghost Engineer, because that's the one growing on TikTok as a hosted interview assistant. I'll flag Ghost Coder where the distinction matters. If you're comparing the whole field, the rundown of coding interview tools covers more of them.
GhostCoder (Ghost Engineer): what's known
Here's what holds up to a source. Anything I couldn't verify is marked, not invented.
| Item | What's known | Source |
|---|---|---|
| What it is | AI coding-interview assistant with a transparent on-screen overlay | DeClom |
| Platforms | macOS only; Windows button is greyed out / "coming" | DeClom |
| Pricing model | Subscription: a monthly plan and a quarterly plan | DeClom |
| Exact prices | Not publicly verifiable at time of writing | — |
| Free tier | Limited free demo, good for learning hotkeys, gated AI power | DeClom |
| Stealth claim | Overlay "invisible to anyone watching via screen share," no dock icon | DeClom |
| Internet | Requires a stable connection to work | DeClom |
| Distribution | Grew through TikTok-style "I beat the interview" clips | TikTok |
| Funding / users | None published | — |
Two honest caveats. First, most of this leans on a single third-party review (DeClom), because the vendor's own site is sparse and didn't render reliably for me. Second, the exact dollar amounts aren't posted anywhere I could confirm, so I'm not going to put fake numbers in your head. If pricing matters to your decision, check the site yourself before paying.
How it works in practice, per that review: you hit a hotkey, and a faint overlay drops the suggested solution on top of your coding window. No mouse, no visible app chrome. Same core idea as every tool in this lane — the invisible AI coding interview category that took off on TikTok.
Early strengths
Give credit where it's due.
The macOS overlay UX sounds clean. Hotkey-driven, no dock icon, no toolbar to fumble with mid-interview. For a young product, getting the basic stealth interaction right matters more than feature count.
There's a free demo. You can learn the hotkeys and feel out the interface before paying (DeClom). That's the right move for a tool people are nervous to trust in a live, high-stakes moment.
It's riding real demand. The TikTok clips work because candidates genuinely want this. The category isn't fake — Interview Coder, Ezzi, Ghost Coder and others all exist because the pull is real.
That's about as far as the upside goes on public evidence. Now the concerns.
Concerns and unknowns
macOS only. The Windows button is greyed out (DeClom). If you interview on a Windows machine, this tool doesn't help you yet. That's a hard stop for a big chunk of candidates.
Opaque pricing. A monthly and a quarterly plan exist, but no clear public price. For a subscription you'd activate around real interviews, "trust us, sign up to see the number" is a weak look. Recurring billing also means you're paying through a slow job search, not just for the interviews you actually take.
Thin track record. No funding, no published user count, no body of independent reviews, no detection-testing writeups. Early-stage isn't a crime, but it means you're an early tester. If billing, updates, or the overlay break, there's no track record telling you they'll be fixed fast.
Single source of truth. Almost everything above traces back to one third-party review because the company publishes so little itself. Treat the specifics as provisional until the vendor documents them.
The stealth claim is a claim. "Invisible to screen share" is what every tool in this space says, and even the more candid ones admit they can't promise it everywhere — Ghost Coder literally states it "cannot guarantee that it will be undetectable in all situations" (ghostcoder.app). Proctoring is an arms race. Vendor screenshots aren't proof. This is the whole reason I keep pointing readers at how detection actually works on platforms like CoderPad and CodeSignal — know what you're up against before you trust any overlay.
GhostCoder vs Interview Coder
This is where maturity and proof do the heavy lifting, not price.
Proof you can watch. Interview Coder publishes face-shown, real-interview recordings — actual people using it in actual interviews, faces on camera. GhostCoder's evidence is TikTok clips and one third-party writeup. When the entire pitch is "this stays hidden," watching someone go through a real interview with their face on screen is a different category of proof than a marketing overlay screenshot.
Model quality. Interview Coder runs coding answers on Claude Sonnet 4.6, Anthropic's latest Sonnet. GhostCoder gates "the latest AI models" behind its paid tier and doesn't publicly name which model powers answers (DeClom). In a timed interview, the model writing your solution is the product. Vague is a problem.
Platform coverage. Interview Coder is a desktop app built for both major operating systems with 20+ stealth features and 100K+ users. GhostCoder is macOS-only today, with Windows greyed out (DeClom). If you're on Windows, that's the end of the comparison.
Pricing you can actually read. Interview Coder's pricing is public and on the table: Free at $0, Monthly Pro at $299, and Lifetime Pro at $799 one-time. The Lifetime option matters here — buy it once and you're done, no clock running through a long search. GhostCoder runs a subscription with no clearly posted price, which means committing before you know the number and paying month after month while you're still job hunting. I'm not knocking GhostCoder for being cheaper or pricier — I genuinely can't, because the number isn't public. I'm knocking it for being unreadable.
Track record. 100K+ users and a public pricing page versus an early-stage app with no published numbers. For a tool you lean on in the highest-stakes minutes of a job search, that gap is the point.
If you want to size up more rivals the same way, see the LockedIn AI breakdown and the wider coding interview platforms guide. There's also a dedicated interviewing.io alternative page if that's more your lane.
Verdict
GhostCoder (Ghost Engineer) is a real, early product with a clean-sounding overlay and a free demo — but right now it's a tool you'd be testing, not relying on. The macOS-only limit, the pricing you can't read without signing up, the unnamed AI model, and the near-total lack of independent track record all stack up. None of that is fatal for a young app. It's just honest about where it sits: promising, unproven, thin on public detail.
If you're on macOS, curious, and the price turns out reasonable when you check the site, the free demo costs you nothing to try. Just go in knowing the stealth claim is a claim, not a guarantee — same as every tool in this space. Read up on real proctoring and detection first so you're not surprised.
For something with face-shown proof, a named top-tier model, both operating systems covered, and a price you can read before you pay, Interview Coder is the more mature pick. That's not a price argument — it's a maturity and proof argument.
Try Interview Coder
Interview Coder is a desktop AI interview assistant with 20+ stealth features and 100K+ users. Coding answers run on Claude Sonnet 4.6, Anthropic's latest Sonnet, and we back it up with face-shown recordings of real interviews — not just screenshots. Pricing is public and simple: Free at $0, Monthly Pro at $299, or Lifetime Pro at $799 one-time, so you buy once and stop the clock on a long search. Get started here.


