Celvra — Wealth Projector

Celvra is a compound interest calculator built for people who want to see their money grow in real time. Adjust your principal, interest rate, and time horizon using intuitive sliders, and watch the projection chart update instantly.

No account needed. No internet required. Everything you enter stays on your device.

The calculator handles different compounding frequencies — monthly, quarterly, annually — so you can model various investment scenarios side by side. The chart breaks down your growth year by year, showing the split between your original principal and accumulated interest at every point in time.

Celvra includes a clean summary view that shows total value, total interest earned, and effective return percentage. Switch between compact rows, card layout, and grid view depending on how you prefer to browse your saved projections.

You can set a 4-digit PIN to keep the app locked on launch, choose your preferred start tab, and pick between 12-hour and 24-hour time display in the settings.

The interface uses a geometric SVG pattern background and vector icons throughout — no clutter, no ads, no upsells. Just the math, clearly presented.

Works fully offline. Free with no in-app purchases.