Offline Percentage Calculator

Need to split a bill, figure out a discount, or calculate percentage change in seconds? Offline Percentage Calculator (Delta) is the only percentage tool you'll ever need. Clean, fast, and packed with calculators for everyday math.

💡 WHY DELTA?

- Live Results — See your percentage change instantly as you type. No tapping "calculate" required.
- Interactive Graphs — Drag points on the chart to explore values visually. See the relationship between numbers at a glance.
- Beautiful & Fast — Minimalist Material 3 design with light, dark, and custom accent themes. Optimized for smooth performance.
- Works Offline — No internet needed. All calculations happen on-device, instantly.
- No ads — Enjoy a clean, uninterrupted experience with no ads.

🧮 FREE CALCULATORS:

- Percentage Change — Instantly find the % increase or decrease between any two numbers. Track growth, weight loss, scores, or finances.

- Discount Calculator — Enter an original price and discount % to see your final price and savings. Includes a visual savings bar.

- Target Amount — Given a starting value and a percentage, find the final result. Useful for markup, tax, or growth projections.

- Markup / Margin — Calculate selling price from cost. Toggle between markup-on-cost and margin-on-price modes.

- % of Total — Find what percentage one number is of another. "What % of $500 is $75?"

- Calculation History — All your results are saved automatically. Swipe to delete, tap to view full detail with graph, or re-use past values.

💎 DELTA PRO (One-time. No subscriptions.):

Unlock four Pro-only tools with a single purchase:

- Compound Interest Calculator — Visualize your investments growing over time. Adjust principal, rate, years, and compounding frequency with an interactive growth chart.

- Tip Calculator — Split any bill effortlessly. Adjust tip % with a slider and divide by number of people.

- Custom Theme Colors — Choose from 6 accent colors to personalize your app.

- CSV Export — Export your calculation history to a spreadsheet and share it anywhere.


➕ PLUS: Share any calculation result as a beautiful image — great for social media, group chats, or sending to clients.

Download Delta now and make percentage math effortless.
Privacy Policy & Terms: https://www.polydez.com/percentage-calculator-app