Developer Builds AI Voice Interview Prep Tool After Struggling to Articulate Answers

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A developer created DevPrep.app after repeatedly experiencing the gap between knowing technical answers and being able to verbalize them clearly under interview pressure. The tool uses AI to ask questions aloud, listen to spoken responses, provide feedback, and pose follow-up questions, simulating a real interview environment. It covers technologies including Azure, React, Python, Docker, Kubernetes, and Terraform, and is free to use in a browser. The creator argues that typing-based preparation methods like LeetCode or notes apps build knowledge but not the ability to speak fluently on demand. Practical tips shared alongside the tool include recording yourself, timing answers to 90 seconds to two minutes, and practicing key points naturally rather than scripting responses.

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