Compound Wealth Simulator vs Compound

Compound Interest Calculator helps you visualize long-term investments with realistic, inflation-adjusted projections. Reverse-calculate from your savings goal, set independent contribution and growth periods, and plan with confidence for FIRE, retirement, or any long-term financial milestone. ■ Who this is for - Anyone planning long-term investments (IRA, Roth IRA, 401(k), ISA, NISA, iDeCo) - The FIRE community - Retirement planners - Goal-based savers - Inflation-conscious investors ■ 3 Calculation Modes - Calculate — Future value from initial assets and contributions - Reverse — Required monthly contribution to reach your goal - Compare — 3 return scenarios side by side ■ Independent Contribution Period Set your contribution years separately from your overall growth period (e.g. contribute for the first 10 years of a 30-year horizon, then let the balance compound). The chart highlights when contributions stop with a visual marker. ■ "Time to Goal" Reverse Calculation Calculate how long it takes to reach your target as "X years Y months." Just enter your monthly contribution and assumed return rate. ■ Inflation-Aware Display both nominal and real (purchasing-power) returns. Especially useful for users in high-inflation economies who want to understand the true future value of their savings. ■ 23 Currencies, 7 Languages Major world currencies including USD, EUR, GBP, JPY, CNY, KRW, INR, BRL, MXN, TRY. UI in English, Japanese, Chinese, Korean, Hindi, Spanish, and Portuguese. ■ Locale-Aware Number Formatting - Japan / China — 万, 億, 兆 - India — Lakh, Crore - English-speaking — K, M, B, T Numbers display in the format locals naturally read. ■ Privacy & Ads - All calculations happen on-device. Your input data is never sent to our servers. - This app is free, supported by in-app advertising. ■ Technical - iOS 15.6 or later - iPhone only ■ Disclaimer Calculations are simulations and do not guarantee future investment performance or inflation rates. Investment decisions are your own responsibility.

Compoundly helps you understand how time, savings, and consistent investing can work together. Use simple, clear tools to: Calculate compound growth over time Simulate recurring investments Plan savings goals Estimate future retirement funds Explore historical S&P 500 and Nasdaq-100 market cycles Review annual drawdowns, recovery periods, and major market events Create and save personal investment scenarios Share historical market event cards Switch seamlessly between English and Simplified Chinese Compoundly is designed for learning, planning, and building a clearer long-term perspective. It does not provide real-time prices, trading services, or personalized investment recommendations. Historical market data is provided for educational analysis only. Past performance does not represent future results. Compoundly does not constitute investment advice.