Apex Fire Planner

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About this app

What would it take for you to reach financial independence—and would your retirement plan hold up when markets change?

The conventional 4% withdrawal rule can be a useful starting point, but a single rule of thumb cannot reflect your complete financial picture or show how your plan may perform across different market conditions.

Apex FIRE Planner goes further. It builds a personalized forecast from your assets, debts, income, spending, retirement timing and assumptions, then runs 5,000 Monte Carlo simulations to explore a wide range of possible outcomes. Estimate the portfolio you may need, see when you could reach financial independence and understand the risks and trade-offs behind your plan.

PERSONALIZED FIRE PLANNING

Move beyond a generic withdrawal-rate estimate. Model your own balance sheet, cash flow and assumptions to create a retirement forecast tailored to your situation.

5,000 MONTE CARLO SIMULATIONS

Explore possible market outcomes to understand uncertainty, test the resilience of your plan and identify potential risks before retirement.

SCENARIO EXPLORATION

Compare trade-offs across savings, expenses, investments and retirement age. Adjust assumptions and immediately see how your projected FIRE path changes.

PRIVATE BY DESIGN

Your financial information stays on your device. Apex FIRE Planner does not collect or sell your personal financial data.

FOCUSED EXPERIENCE

Plan without advertising or advertising-related tracking.

Use Apex FIRE Planner to turn your financial picture into a practical, flexible FIRE roadmap.

Forecasts are estimates based on the information and assumptions you provide and simulated outcomes. They do not guarantee future results or investment performance. Apex FIRE Planner is for informational and planning purposes only and does not provide financial, investment, tax or legal advice.

What’s new

first product release