Every plan includes full platform access — roadmaps, lessons, mentor chat, quizzes, certificates, and YouTube import. Upgrade only for higher AI limits.
All limits reset daily at midnight UTC · No credit card required for Free
Full platform access with no credit card required.
Higher limits and a more powerful AI model for serious learners.
Maximum AI capacity — for learners who never want to hit a limit.
New tracks (AWS, language-specific interview prep, and more) are added regularly — included in Pro and Power at no extra cost.
Contact us to discuss team access or early upgrades.
All limits are daily and reset at midnight UTC.
No hidden limits. No feature locks. Full depth on every tier.
Generate a structured 20-topic roadmap for any engineering subject in seconds.
20/day freeEvery topic gets a full lesson: intro, hands-on, mechanism, examples, production reality, interview prep, and revision.
100/day freeAsk anything about the topic in Explain, Deep Dive, or Interview mode. Get tailored explanations.
30 chats freeTest your knowledge with adaptive quizzes and production incident scenarios for every topic.
50/day freePaste a YouTube video URL and CrackLab extracts a full learning roadmap from the transcript.
3/day freeComplete a roadmap and earn a shareable certificate — available on every tier including Free.
Unlimited freeYes — no credit card, no trial. Free gives you 20 roadmaps, 100 structured lessons, 30 mentor chats, quizzes, certificates, and YouTube import every day. It's enough to learn any topic end-to-end.
Free uses Claude Haiku (fast and capable). Pro and Power use Claude Sonnet — a significantly stronger model that produces deeper, more nuanced lessons, better mentor responses, and richer roadmaps.
All daily limits reset at midnight UTC. There are no weekly or monthly caps — just daily resets, every day.
Click "Upgrade to Pro" or "Go Power" on this page. You'll be taken to a secure Lemon Squeezy checkout — enter your card details and you'll be upgraded instantly. Your higher limits apply the moment payment is confirmed.
Not yet. Reach out to discuss volume access, team accounts, or custom integrations.
Yes — a single Pro or Power subscription unlocks full access to all three: DesignHub (System Design, HLD/LLD, and interview questions), AI Engineering, and Gen AI. New tracks we add later (e.g. AWS, language-specific interview prep) are included too, at no extra cost.
No credit card. No signup friction. Paste a topic and get a full AI learning roadmap in under 10 seconds.