Interview preparation for software engineers
Practice DSA and competitive programming, prepare company wise, and get an AI coach that reviews your code. Start free in your browser, or get the desktop app for everything a browser can't do.
WebsiteFree, any browser
- DSA and CP problem bank with company tags
- AI coach for hints and code review
- Subject courses and spaced revision
- Progress synced with the app
Not in the browser
Desktop appEverything on the web, plus
Mock Room
An AI interviewer that talks, reads your code and asks why you wrote line 7.
Also includes everything on the website
- DSA and CP problem bank with company tags
- AI coach for hints and code review
- Subject courses and spaced revision
- Progress synced with the app
Download for LinuxFree on Windows, macOS and Linux
The website gets you started. The app takes you further.
Both are free and share one account. The desktop app adds what a browser tab can't do.
WebsiteWeb Desktop appApp
DSA and CP problem bank with company tags
Subject courses and spaced revision
OA Simulator with webcam proctoring
AI coach for hints and code review
Progress synced across devices
Build Mode: hiring-test projects run on your machine
Mock Room: an AI interviewer that questions your code
Run code with your own compilers
Problems and notes available offline
Instant local search, no page reloads
The theory rounds, covered too
Structured courses for the subjects interviewers still ask about, with notes you can highlight and revise.
Browse subjects- DSA
- DBMS
- Operating Systems
- Computer Networks
- OOP
- SQL
- LLD
- HLD
- STL