Rendia: Compound Interest

Rendia is a tool for simulating compound interest and seeing how your money could change over time. Create scenarios, compare them, and review results with clear charts and breakdowns. You can plan recurring contributions and withdrawals, try variable rates, and choose from 160+ ISO currencies. Your scenarios are saved on your device—no account required. What you can do • Basic mode for quick estimates and Advanced mode for detailed planning • Recurring contributions and withdrawals with flexible frequencies • Variable interest rates by compounding period • Summary, charts, period-by-period breakdown, and calculation walkthrough • Save, tag, search, and organize scenarios in your library • Export to PDF, CSV/Excel, or JSON, and create backups • Works mostly offline; data stored locally on your device • Multiple interface languages, light/dark theme, and configurable number formats Who it is for Anyone planning savings, comparing “what if” scenarios, or exploring how compound interest works before making important decisions. Important notice Rendia is an informational simulation tool. Results are estimates based on the values you enter and may differ from real financial products due to fees, taxes, inflation, rate changes, or other factors. It does not provide financial, tax, legal, or investment advice. Consult qualified professionals before making important decisions.