Rocco: Percentage Calculator

Discount & Currency Converter

USD 5.99 · In-App Purchases

Meet Rocco — percentages, tax, tips, discounts, currency, profit, ROI, loans, savings, and more. Fast, simple calculations for everyday life and finance. Calculate percentages, tax, tips, discounts, currency conversions, profit, ROI, loans, savings, and more — all in one simple app. No formulas. No hassle. Just the answer. ROCCO MAKES IT SIMPLE • Calculate percentages in seconds • Find percentage increases, decreases, and differences • Add tax, remove tax, or find the tax rate • Get clear results instantly as you type EVERYDAY CALCULATORS • Percentage calculations • Discounts and sale prices • Tax and VAT • Tips and shared bills • Currency conversions • Reverse percentage calculations BUSINESS CALCULATORS • Markup • Margin • Commission • Profit • ROI • Break-even FINANCE CALCULATORS • Compound interest • Savings • Loan payments and interest • Stock profit and loss • Average percentage • Multiple percentage changes TIP & SPLIT Enter the bill, choose a tip, and divide the total between people. Choose the split method that fits your situation: • Equal — split the bill evenly • Custom — enter exactly how much each person should pay • Shares — divide the bill using different share amounts Add names, see exactly what everyone owes, then save or share a receipt-style calculation card. CURRENCY CONVERTER Convert multiple currencies using updated exchange rates and a built-in keypad. Add the currencies you use most and see conversions instantly. MORE WAYS TO USE ROCCO • Quick Calculate Home Screen widget • Apple Watch app • Calculation history • Favorites • Searchable calculator gallery • One-tap copy • Multiple themes • Helpful calculator explanations and examples WHY ROCCO • Fast — results update as you type • Clear — simple inputs and easy-to-read results • Practical — everyday, business, and finance tools in one place • Offline — core calculations work without internet • Flexible — use Rocco on iPhone, iPad, Apple Watch, and Mac Free to download. Unlock advanced calculators and additional features with Rocco Premium.

  • This app has not received enough ratings or reviews to display an overview.

• Added new Business and Finance calculators, including ROI, Break-even, Compound Interest, Savings, Loan, Stock Profit, and more • Rocco is now available on Mac • Improved performance and overall reliability • Fixed bugs and polished the app experience

The developer, Stefan Petrovic, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Used to Track You

    The following data may be used to track you across apps and websites owned by other companies:

    • Usage Data
  • Data Not Linked to You

    The following data may be collected but it is not linked to your identity:

    • Usage Data

Privacy practices may vary based, for example, on the features you use or your age. Learn More

The developer has not yet indicated which accessibility features this app supports. Learn More

Provider
  • Stefan Petrovic
Size
  • 114.4 MB
Category
  • Utilities
Compatibility
Requires iOS 18.5 or later.
  • iPhone
    Requires iOS 18.5 or later.
  • iPad
    Requires iPadOS 18.5 or later.
  • Mac
    Requires macOS 15.5 or later.
  • Apple Watch
    Requires watchOS 10.0 or later.
Languages
English and 26 more
  • English, Croatian, Czech, Danish, Dutch, Finnish, French, German, Greek, Hindi, Hungarian, Italian, Japanese, Korean, Norwegian Bokmål, Polish, Portuguese, Romanian, Russian, Serbian, Simplified Chinese, Slovak, Spanish, Swedish, Traditional Chinese, Turkish, Ukrainian
Age Rating
4+
In-App Purchases
Yes
Copyright
  • © 2026 Stefan Petrovic