STWLTH Wealth.
Build wealth. Stay quiet.
A privacy-first suite of financial simulators for people making real decisions about investing, retirement, debt, housing, compensation, and financial independence.
What's inside.
19 simulators
FIRE, Coast FIRE, compound growth, Roth ladders, Social Security timing, rent vs. buy, job offers, equity comp, and more.
No account linking
You type the numbers you choose to share. Nothing connects to your bank, and the free calculators run in your browser.
History, not hope
Withdrawal plans are backtested against Shiller market data from 1871–2022, with Monte Carlo success rates.
Works offline
Install it on your phone or desktop; the free calculators keep working in airplane mode.
Tax-aware
Federal brackets, FICA, and take-home pay for all 50 states + DC, updated each tax year with sources cited.
Ask in plain English
An AI assistant that reads your scenario and answers questions about it.
Already a user? Everything lives where it always has — open the app.
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The same team that built STWLTH Wealth builds custom applications, automation, and data tools for clients.
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