Tired of $100–300/month coding interview AI subscriptions? Noeth is an invisible desktop overlay that gives you real-time help during technical interviews, LeetCode solutions, code review, voice Q&A, live transcription, flowcharts and much more. Bring your own Anthropic, Gemini, OpenAI, or Ollama key and pay at cost. No subscription ever. $12.90 one-time lifetime license for 3 devices. Works on Windows, macOS, and Linux. The alternative to Interview Coder, Cluely, Parakeet AI, and LockedIn AI.