The iCalculator

Calculator & Quick Tools

$0.99 · Designed for iPad. Not verified for macOS.

Everyday calculations made simple. Calculate, convert kitchen units and temperatures, split tips, compare percentages, find date differences, and plan fuel costs. The iCalculator is back. A classic calculator with an intentionally retro personality, rebuilt for modern iPhone and iPad with useful everyday tools that go far beyond basic arithmetic. CLASSIC CALCULATOR The familiar calculator experience returns with: • Addition, subtraction, multiplication, and division • Percent • Positive/negative values • Decimal calculations • Memory controls • Chained calculations • Calculation history • Tactile button feedback The large circular controls and bold display preserve the spirit of the original iCalculator while the app underneath has been completely rebuilt in modern SwiftUI. QUICK TOOLS Skip the formulas and jump straight to the answer. KITCHEN CONVERSIONS Convert common cooking measurements quickly with dedicated Volume, Weight, and Butter tools. Common conversions include: • Cups • Tablespoons • Teaspoons • Fluid ounces • Milliliters • Liters • Pints • Quarts • Gallons • Ounces • Pounds • Grams • Kilograms • Butter measurements • And more Quick amount presets make common recipe conversions even faster. TEMPERATURE Convert Celsius and Fahrenheit instantly. TIP & SPLIT Enter the bill, choose a tip, and split the total between any number of people. Quick presets include: • 15% • 18% • 20% • 25% See the tip amount, total bill, and amount per person immediately. PERCENTAGE & DISCOUNT Handle common percentage problems without remembering the formula. Calculate: • X% of a value • Percentage change • Discounts • Amount saved • Final price DATE DIFFERENCE Choose two dates and see: • Total days • Weeks and days • Calendar difference in years, months, and days FUEL ECONOMY & TRIP COST Estimate fuel use and trip cost using: • MPG • L/100 km • Trip distance • Fuel economy • Fuel price HISTORY Review previous calculator operations, reuse results, delete individual entries, or clear the history when you are finished. MADE FOR IPHONE AND IPAD The iCalculator adapts to iPhone and iPad while preserving its distinctive retro calculator design. ENGLISH & SPANISH The full interface is available in English and Spanish. Calculation history and preferences stay local to your device. The iCalculator combines the personality of the original app with practical everyday tools designed to help you get an answer quickly.

Ratings & Reviews

  • 5.0
    out of 5
    1 Ratings

The iCalculator 2.1 delivers major improvements to calculation accuracy, reliability, and usability. • Improved calculator behavior for chained calculations, percentages, signs, memory, decimals, and error recovery. • Improved calculation history with greater precision when reusing previous results. • Improved number entry and validation across conversion tools. • Improved kitchen, temperature, percentage, date, tip, and fuel calculations for edge cases and invalid inputs. • Improved localized number entry and display. • Improved Quick Tool navigation so in-progress calculations are preserved when switching sections. • Improved support for Larger Text, landscape layouts, keyboard controls, and readability. • Additional reliability and interface improvements throughout the app.

Version 2.1

The developer, HELM Coders LLC, 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 Not Collected

    The developer does not collect any data from this app.

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

    The developer indicated that this app supports the following accessibility features. Learn More

    • Supported Features

      • VoiceOver

      • Voice Control

      • Dark Interface

      • Differentiate Without Color Alone

      • Reduced Motion

    Information

    Seller
    • HELM Coders LLC
    Size
    • 12.2 MB
    Category
    • Utilities
    Compatibility
    Requires iOS 17.6 or later.
    • iPhone
      Requires iOS 17.6 or later.
    • iPad
      Requires iPadOS 17.6 or later.
    • Mac
      Requires macOS 14.6 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.3 or later.
    Languages
    • English and Spanish
    Age Rating
    4+
    Copyright
    • © 2026 HELM Coders
  • Developer Website
  • Privacy Policy

    • Supports

    • Family Sharing

      Up to six family members can use this app with Family Sharing enabled.

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