FIRE Wealth OS
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Early access

We're in early access. Come kick the tyres.

FIRE Wealth OS is fully usable today on the Free plan. No card, no commitment. Upgrade to Premium when (or if) you want the deeper tools.

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Free forever

Enough to answer the headline question: when can I retire?

  • FIRE number calculator
  • 4% withdrawal rate survival test
  • 50-year retirement horizon
  • Shiller US dataset back to 1871
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Premium · £9.99/mo or £79/year · $12.99/mo or $99/year

Everything serious investors need

  • All six factor strategies side by side
  • Withdrawal rates from 0.5% to 20%
  • Every retirement horizon, 20–90 years
  • Global data toggle (MSCI World)
  • UK + US fee and tax modelling
  • AI personalised guide (powered by Claude)
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You can sign up free first and upgrade any time.