Every simulation on FIRE.PipedHQ is free and needs no account: all withdrawal rules, cash buckets, bear-market spending cuts, housing in 200 metros, Social Security, health insurance, the Journey blueprint, the city grid and every guide. Free accounts can save one scenario and share links.
Pro is for keeping your work: unlimited saved scenarios, Excel export of the city grid, and the PDF packet with every assumption, simulation and year-by-year table. Monthly, annual or lifetime; payments by Stripe.