Fynara

Fynara is a straightforward compound interest calculator built for anyone who wants to understand how their money grows over time.

Set your principal amount, annual interest rate, and investment duration using responsive sliders. The chart updates in real time as you adjust each value, giving you an immediate visual sense of how compounding works across months or years.

Key features:
- Interactive sliders for principal, interest rate, and time period
- Dynamic chart showing wealth growth year by year
- Adjustable compounding frequency: monthly, quarterly, or annually
- All calculations run locally on your device, no internet required
- No account needed, no data leaves your phone

Whether you are planning for retirement, saving for a goal, or just curious about how compound interest works, Fynara gives you a clear, honest picture of growth over time. Adjust one variable and instantly see how the outcome changes.

Fynara stores all data locally and works completely offline. Nothing is shared or synced externally.