Card-based learning
One concept per screen. Swipe through structured decks for DSA, system design, and CS foundations — resume where you left off, or let text-to-speech read topics aloud on a commute.
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Now on Play Store
CrackLoop
Live on Play StoreLearn. Practice. Crack.
CrackLoop turns tech-interview prep into short, repeatable daily loops — swipeable concept cards, quizzes, an AI tutor, and mock interviews for DSA, system design, and CS fundamentals.
Data structuresAlgorithmsSystem designOperating systemsDatabasesNetworkingOOP & design patternsBehavioral prep
01 — What’s inside
Everything in CrackLoop.
Quizzes & mock exams
Per-chapter MCQs with instant explanations, plus a timed exam mode that simulates real pressure. Wrong answers feed your review deck automatically.
AI tutor & mock interviews
Ask anything mid-topic, practice voice-based mock interviews, and get instant feedback — powered by an AI tutor that knows the material you are studying.
Streaks & spaced repetition
A daily plan, streak tracking, badges, and a spaced-repetition review deck keep concepts fresh long after you first learn them.
Coding practice
A LeetCode-style question catalog with an in-app code playground — practice implementation without leaving the app.
Compete on leaderboards
Global and weekly leaderboards with coin rewards turn showing up every day into a game you want to win.
02 — Screens
See it in motion.
Start today
Your first loop takes ten minutes.
Free to download on Google Play. Upgrade on the web when you are ready — and pay less.