Ace your technical interviews

AI-powered desktop assistant that analyzes your screen, solves coding problems, and coaches you through system design in real time, invisible to screen share.

Download

Free and open. Bring your own OpenRouter API key.

Everything you need

Screenshot Analysis

Captures your screen and analyzes coding problems, code, or system design questions instantly.

Multiple AI Models

Switch between fast and deep models. Use quick models for speed, deep models for complex problems.

Voice Input

Captures both your voice and your interviewer's in real time. Ask a question out loud and get an AI response, no typing needed.

Invisible to Screen Share

Content-protected window that doesn't appear in screen recordings or shared screens.

Prompt Library

Save prompts for common tasks like solving, optimizing, debugging, or explaining code. Trigger any of them instantly with a keyboard shortcut.

Optional Mobile Control Panel

Use keyboard shortcuts on your desktop or take it a step further — scan a QR code and control everything from your phone. Submit prompts, trigger screen analysis, and send voice recordings without touching your keyboard. No keystrokes recorded by proctoring tools.

How it works

  1. 1

    Download the app

    Install LeetAssist on macOS, Windows, or Linux. It's completely free.

  2. 2

    Get an OpenRouter API key

    Sign up at openrouter.ai and grab your free API key. You only pay for what you use through OpenRouter.

  3. 3

    Enter your key in Settings

    Open Settings > API Config and paste your OpenRouter key. It's encrypted locally on your machine.

  4. 4

    Start crushing interviews

    Type or speak your questions. The AI analyzes your screen and provides instant answers, invisible to screen share.