Pricing

One plan covers everything

No tiers per track. No hidden fees. Just one lifetime payment for the full DSA + LLD + HLD curriculum.

Founding price

Pro

$19lifetime

Unlock the full curriculum. Pay once, keep it forever.

  • All DSA concept pages & simulations
  • All LLD & HLD content
  • LLD design pattern visualizers
  • HLD scaling roadmap & chapters
  • Premium simulations & state machines
  • Voice narration
  • Custom input & step playback

Founding price for early users — locked in for life, even as the price rises later. One-time payment, lifetime access, no recurring charges, 14-day money-back guarantee. By subscribing you agree to our Terms and Refund Policy.