Competitors like Interview Coder are Detectable and We Can Prove It In 90 Seconds
Most interview AI apps are completely detectable and we can prove it with a simple test you can run right now on your own device.
Run this 90-second test yourself
Open any keyboard event viewer (search “keyboard event viewer” — plenty of free browser-based options will show up, like this one).
Launch the free trial of whatever AI interview tool you want to test.
Press its solve hotkey.
Check whether the keystroke gets logged.
If any hotkeys are logged, the tool is detectable. If a browser tab can see an AI tool’s hotkey, so can CoderPad, HackerRank, and CodeSignal — they run at the same or higher privilege level.
Open on Reddit The Results
But don’t take our word for it. Run this test yourself on both us and any of our competitors.
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ULTRACODE Undetectable -
Interview Coder Detectable -
Cluely Detectable -
ShadeCoder Detectable -
Final Round AI Detectable -
LockedIn AI Detectable -
InterviewMan Detectable
Instead of Fixing Their Product, Interview Coder Just Astroturfed Reddit
We expected competitors to respond to getting caught by fixing their products. We were wrong.
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Interview Coder and Final Round AI have shipped zero engineering updates since we proved they were detectable. Their hotkeys are still detectable today, and you can validate this yourself with the test above.
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Instead, they flooded their own official subreddits with fake posts claiming ULTRACODE is the detectable one. No proof. No screenshots. No reproducible test.
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Their mods deleted every comment pushing back or asking for proof. Sadly, this isn’t anything new for them.
Open on Reddit See a questionable Reddit post about us? Check three things
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Which subreddit it’s posted in
Posts in the official subreddits of our direct competitors, like r/interviewcoderhq, are heavily biased.
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The account’s posting history
Check whether the account has karma and a visible post history, or is clearly a bot.
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Visible comment count
Compare the comment count shown on the post with the comments you can actually see. If far fewer are visible, mods are deleting a large part of the conversation to control the narrative.
You’ll find the same pattern every time.
Our competitors have been exposed time and time again for leaking API keys, doxxing customers, and lying about their core product functionality.
ULTRACODE ships product updates every single week
But Interview Coder hasn’t updated their product since December 2025. The “new features” highlighted in their own changelog are merely content additions to their home page.
How ULTRACODE Stays Undetectable When Our Competitors Can’t
Every AI interview tool uses a global hotkey. The difference is how deep in your operating system it runs.
Interview Coder, Cluely, ShadeCoder, InterviewMan, and Final Round AI all use standard user-space APIs — the same ones any consumer app uses to register keyboard shortcuts. These APIs are observable by design, which is why a free browser tab can log their keystrokes in real time.
ULTRACODE runs deeper in the OS than any monitoring software can reach, using signing infrastructure, platform-specific entitlements, and kernel-adjacent hooks that took months of engineering to build. Competitors can’t retrofit this — it requires rebuilding their product from scratch.
Only ULTRACODE can GUARANTEE Undetectability
We validate this architecture every single day against enterprise proctoring accounts on CoderPad, HackerRank, CodeSignal, Codility, and more to guarantee you stay undetectable.
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CoderPad Undetectable
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HackerRank Undetectable
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CodeSignal Undetectable
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Codility Undetectable
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Lark / Feishu Undetectable
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Zoom Undetectable
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Webex Undetectable
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Amazon Chime Undetectable
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Codebyte Undetectable
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Google Meet Undetectable
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Microsoft Teams Undetectable
and many more
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Built with input from tech leads and staff software engineers from