PrepCode

Lapis Ltd.

In-app purchases

About this app

PrepCode is an AI-powered interview preparation app for software developers.

Create structured preparation profiles for each company and role, organize interview phases, and practice with AI-assisted explanations for coding, system design, live coding, HackerRank, LeetCode style and behavioral interviews.

PrepCode helps you keep all your interview preparation in one place. Add the company name, position, job description, and interview phase, then start a focused preparation session with a dedicated conversation for that role.

Key features:

Create and manage interview preparation profiles
Organize interviews by company, position, and phase
Practice coding problems with AI-assisted explanations
Capture or upload practice tasks for review
Review solutions, edge cases, complexity, and improvement ideas
Prepare for LeetCode, HackerRank, live coding, system design, and behavioral rounds, structured interview preparation, behavioral interview coaching.
Connect supported AI providers and choose available models
Use a secure backend-based AI integration
Optional external display / DeX-style preparation workflow
Paid interview session access with flexible plans

PrepCode is designed for learning and preparation. The app focuses on understanding problems, improving reasoning, practicing communication, and building confidence before and on the real interview.