The FIRE Calculator is an Android-only financial calculator app for Koreans aged 40-65. Its senior-friendly large font, high-contrast UI, and step-by-step input method make it easy for anyone to use.

The app's purpose is to provide simple calculations and simulations for FIRE Tribes, Single FIRE, Early Retirement (FIRE), and retirement fund management. Users can intuitively determine when they can retire, how long their funds will last after retirement, and the benefits of dividend reinvestment, without requiring complex financial knowledge.

Key Features

FIRE Calculator

Calculates retirement date and target assets by factoring in assets, savings, returns, living expenses, and inflation.

Provides comparisons of compensation, base, and optimistic scenarios and sensitivity analysis.

Dividend Reinvestment Calculator

Calculates the long-term growth of assets by factoring in dividend yield, tax rate, and dividend growth rate.

Graphs show the differences depending on whether or not reinvestment is allowed.

Retirement Fund Calculator

Predicts asset depletion by inputting living expenses, pension, and investment returns.

Provides preset withdrawal rules, such as the 4% rule, and supports risk warning notifications.

User-friendly UX

Optimized for seniors with large fonts and high-contrast mode.

Simple and fast user experience with step-by-step input.

Presets provided: Korean standard values ​​(2% inflation, 15.4% dividend tax) are applied by default.

Korea-specific features

Default currency unit: KRW.

Includes national pension and retirement pension input fields.

Reflects Korean realities, such as jeonse (lease deposit), monthly rent, and medical expenses.