See what small changes could do.
Adjust your starting balance, contributions, growth assumptions and timeline. Compare extra saving, inspect a year, and explore future dollars alongside today’s purchasing power.
FIRE: EARLY RETIREMENT PLANNER
Easy to start. Room to go deeper.
Explore your money, test your instincts, and see how small changes could add up over time—with approachable calculators, learning games, and a deep library of plain-English guides.
Android edition in development · Ads with an optional ad-free purchase planned.

FINANCIAL INDEPENDENCE, RETIRE EARLY
FIRE means building enough savings and investments to support your living costs—giving you more choice over when, how much, and whether you work.
Financial independence may be closer than you think. Start with one question, explore your own numbers, and learn what could move you toward your goal. Early retirement, working less, or simply having more freedom: choose what matters to you.
SEE IT FOR YOURSELF
Explore the supplied app screens with their promotional captions. Swipe or open a screen for a closer look.
START SIMPLE. EXPLORE FURTHER.
Begin with a few sliders. Open the detail when you want more.
Adjust your starting balance, contributions, growth assumptions and timeline. Compare extra saving, inspect a year, and explore future dollars alongside today’s purchasing power.
Explore multiple accounts, employer matching, fees, contribution increases, saving pauses, lump sums and withdrawals in Advanced Growth. Compare scenarios before deciding what belongs in your plan.
A growing collection of calculators and history tools covers savings, FIRE targets, retirement income, taxes, Social Security, debt, fees, net worth, and more—with new tools continually being added.
Read a short summary or the full guide. Explore 180 guides, follow reading trails, and look up unfamiliar words in a plain-English glossary. Follow related questions as far as your curiosity takes you.
LEARN BY PLAYING
Make a choice. Reveal the result. Discover what made the difference.
THE FEATURED JOURNEY
Build a starting plan, then follow a scenic journey through real market history and fictional life events. Handle surprises, explore different choices, and discover how a steady forecast compares with a bumpier path.
Would you sell or stay? Make your moves through a hidden historical period, then compare with staying invested through the same market.
Choose between two plans, reveal both results, and discover the effect of time, contributions and compound growth.
Fact or myth? Put your money knowledge to the test, burn away the claim, and uncover the explanation.
Plus many more games and interactive challenges, including Build Your Future, Money Detective, and Weather a Rough Start.
MAKE THE JOURNEY YOURS
Keep your plan, record check-ins, and collect milestones. Return to your assumptions as your circumstances and goals change.
Planning inputs stay on your device. There is no required bank connection or separate WonderRivet account.
The Android edition is planned as free to download with ads and an optional one-time ad-free purchase through Google Play. Prices will appear in the app before purchase. We’ll add the official store link when available.
Calculations and simulations are educational estimates based on stated assumptions, not personalized financial, investment, tax or legal advice. Historical results do not guarantee future performance. U.S. planning topics use USD unless stated otherwise.
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