Simple pricing

Start free. Upgrade when you need more simulations.

Free
$0forever

Explore the full engine free — no credit card needed.

  • 25 simulations per month
  • Traditional retirement planner (Monte Carlo + historical)
  • Monte Carlo engine (1,000 paths)
  • Historical backtesting (156 years of data)
  • Up to 2 insights per simulation
  • Show Math step-by-step breakdowns
  • Shareable results links
  • No AI chat assistant
  • Save 1 plan
  • No PDF export
Get started free
Pro
Most Popular
$9per month

For retirement planners who run scenarios regularly.

  • 500 simulations per month
  • Everything in Free
  • All insights unlocked (7+ per simulation)
  • AI chat assistant
  • Developer API key
  • Saved plans (up to 10)
  • PDF report export
  • SS trust fund modeling
  • Billing management portal
  • Priority support
Creator
$19per month

For developers integrating retirement math into AI assistants and apps.

  • 5,000 simulations per month
  • Everything in Free
  • All insights unlocked (7+ per simulation)
  • AI chat assistant
  • Developer API key
  • Saved plans (up to 10)
  • PDF report export
  • SS trust fund modeling
  • Billing management portal
  • Priority support
All plans include access to the Monte Carlo engine with 1,000 simulation paths.
Educational use only — see disclaimer.