The latest articles on DEV Community by Interviewfox AI (@interviewfox_ai). https://dev.to/interviewfox_ai https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.us-east-2.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F3979279%2F16759a89-6ec1-43fb-816d-1327ac08d658.png https://dev.to/interviewfox_ai en Interviewfox AI Thu, 11 Jun 2026 14:20:25 +0000 https://dev.to/interviewfox_ai/koc-marketing-killed-our-margins-heres-what-we-switched-to-1gjj https://dev.to/interviewfox_ai/koc-marketing-killed-our-margins-heres-what-we-switched-to-1gjj <p>Honest reflection from building interviewfox（<a href="https://interviewfox.ai/%EF%BC%89" rel="noopener noreferrer">https://interviewfox.ai/）</a> — an AI tool for developers ace technical interviews.</p> <h3> The Influencer Trap </h3> <p>Our first growth channel was KOCs — micro-influencers with real audiences in the job-seeking community. It worked, until we looked at the margin. The costs were quietly eating most of what we made. Rented growth: the moment you stop paying, it stops working.</p> <h3> The Shift </h3> <p>We're now investing in channels that compound over time rather than ones that require constant spend to maintain. Still early, but the unit economics feel healthier.</p> <h3> What I'm Figuring Out </h3> <p>For those who've built developer-focused products — a few genuine questions:</p> <p>How do you think about the tradeoff between paid acquisition and organic growth in the early stages?</p> <p>What's been your most reliable long-term channel?</p> <p>Any mistakes you'd warn others about?</p> <p>Would love to hear how others have navigated this. <br> Find us at:<a href="https://interviewfox.ai/" rel="noopener noreferrer">https://interviewfox.ai/</a>.</p> ai vibecoding growth webdev