
CruxRounds: FDE Interview
Forward Deployed Engineer Prep
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Free
In-App Purchases
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About
An honest readiness number for the interview loop you’re actually facing.
CruxRounds prepares experienced engineers for Forward Deployed Engineer, Applied AI Engineer, and Solutions Engineer interviews — customer-facing roles where clear technical judgment and communication matter.
HOW IT WORKS
• Baseline — a short diagnostic gives you an honest starting readiness number, before you’ve studied a thing.
• Weak spots — your baseline shows exactly which rounds need the work, so you stop guessing what to study.
• Concepts — focused lessons on what each round actually tests: system design, behavioral stories, deployment and model-evaluation scenarios, discovery, and objection handling.
• Quick drills — fast recall practice that locks each concept in.
• Area loops — rehearse one round end to end with an adaptive interview simulation, until it’s solid.
• Full loop — practise every round back to back, timed and scored like the real thing, with a debrief after.
The baseline and your readiness score are free. Concepts, drills, area loops and the full loop are included with CruxRounds Pro.
THE NUMBER
Everything rolls up into one readiness score and a countdown to your interview date. No streaks, no badges, no confetti — just a straight answer to “am I ready, and if not, what do I fix first?”
WHO IT’S FOR
Engineers who can already do the work and now have to prove it across a multi-round interview loop. If you’ve been deployed at a customer site, shipped models into production, or run the technical half of a sales cycle, this is built for you.
One app to prepare for the loop — and go in prepared, with a clear view of what to improve.
CruxRounds Pro is an auto-renewing subscription — monthly, quarterly or annual — billed to your Apple Account; manage or cancel anytime in Settings. Terms: https://cruxrounds.app/terms · Privacy: https://cruxrounds.app/privacy
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What's New in CruxRounds
2.0.1
October 13, 2026
• Fixed the sign-in screen. On most iPhones the Continue buttons sat below the edge of the screen and could not be reached. They are now on screen, and the page scrolls at larger text sizes. • Less to read. Every screen has been cut back to what you need in order to act. • Fixed a freeze that could hold the app for a couple of seconds shortly after opening.
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Subscriptions & In-App Purchases
CruxRounds Pro — Monthly
All seven interview rounds, drills and live rooms.
$19.991 Month


