calculator_i app icon

Apps Like calculator_i for iPhone and iPad

Calculate with complex numbers and symbols

A calculator with support for imaginary unit i, summation, and product symbols. Perform complex mathematical operations. Users can suggest additional features for future updates.

by 世昌 肖★ 0.00 ratingsUtilities$1.99Data updated 2026-09-06

Ranked alternatives

Showing 881–900 of 1,000 ranked alternatives.

  1. Logarithm Calculator SDG app icon

    Logarithm Calculator SDG

    SDG CODE DOO NIS

    Calculate logarithms with any base

    Calculate logarithms with customizable bases including e, 2, 10, or any specified value. Input a number and base to get the result. Display the calculation steps and save results for reference.

    ★ 5.02 ratingsProductivityFreeData updated 2026-09-06
  2. Sailing Handicap Calculator app icon

    Sailing Handicap Calculator

    Zestech

    Calculate sailing race corrected times.

    The app calculates corrected times for sailing races using various handicap systems. It allows manual entry or automatic recording of elapsed times with a built-in timer.

    ★ 4.52 ratingsSports$2.99Data updated 2026-10-08
  3. Lightning Distance Calculator app icon

    Lightning Distance Calculator

    Gianluca Natalini

    Calculate lightning distance from storm.

    The app calculates the distance between lightning and the user's location. It measures the distance in meters and feet based on user input when lightning is seen or thunder is heard.

    ★ 3.52 ratingsUtilities$0.99Data updated 2026-09-12
  1. Heatloss Calculator & Guide app icon

    Heatloss Calculator & Guide

    Mr Combi Sales Ltd.

    Calculate heatloss and radiator output.

    The app calculates room heatloss in Watts and BTUs per hour based on dimensions and temperatures. It also estimates radiator length or power output and converts between Watts and BTU/h.

    ★ 1.52 ratingsProductivity$4.99Data updated 2026-10-11
  2. amps kw calculator app icon

    amps kw calculator

    Iqra Parveen

    Convert to kilowatts and vice versa

    Convert to kilowatts and vice versa using formulas for DC, single-phase AC, and three-phase AC. Input values and select voltage type to calculate power. Display results clearly with unit options.

    ★ 0.00 ratingsUtilitiesFreeData updated 2026-09-06
  3. CalculatorLib - All in One app icon

    CalculatorLib - All in One

    Hai Le Phu

    Calculate, organize, and analyze data

    Perform calculations using 500+ specialized tools across math, finance, health, time, geometry, and unit conversions. Input values and get precise results. Organize calculators into categories for easy access.

    ★ 0.00 ratingsProductivityFreeData updated 2026-09-06
  4. Memo Calc · FusionCalc2 Pro app icon

    Memo Calc · FusionCalc2 Pro

    Leo Rivas-Micoud

    Save, drag, and reuse numbers.

    The app allows users to save numbers as memos by dragging and dropping them. These memos can be reused in future calculations.

    ★ 5.02 ratingsProductivity$14.99Data updated 2026-10-24
  5. Discount Deal Calculator app icon

    Discount Deal Calculator

    Cole Zygaj

    Calculate sale prices instantly

    Calculate sale prices by entering original price and percentage. Display final cost instantly. Helps save time and money while shopping.

    ★ 5.01 ratingsUtilitiesFreeData updated 2026-09-06
  6. Mortgage Repayment Calculator app icon

    Mortgage Repayment Calculator

    James Still

    Calculate payments and interest

    Calculate monthly payments and total interest for interest-only and types. Input amount, interest rate, and term. Display results in local currency formats.

    ★ 3.01 ratingsFinanceFreeData updated 2026-09-08
  7. Concrete Mix Calculator app icon

    Concrete Mix Calculator

    Gorasiya Vishal Nanjibhai

    Calculate mix ratios quickly

    Calculate mix proportions using the absolute volume method. Input project details to determine gravel quantity in kilograms and cubic meters. Adjust mix ratios for specific strength requirements.

    ★ 1.01 ratingsUtilities$2.99Data updated 2026-09-16
  8. MultiPipe Calculator app icon

    MultiPipe Calculator

    algormula Pte. Ltd.

    Calculate pipe weight and total cost

    Calc allows users to estimate pipe weight and total cost. Input dimensions and material properties to calculate weight and cost in real time. Switch between Metric and Imperial units. Add and manage custom material densities and prices.

    ★ 0.00 ratingsUtilitiesFreeData updated 2026-09-06
  9. StrikePrice app icon

    StrikePrice

    LARISSA HARITONOVA

    Calculate prices, compare products, save money

    Calculate unit prices to compare product value. Determine discounts and final sale prices. Track savings and budget expenses. Sync across devices for consistent pricing insights.

    ★ 0.00 ratingsUtilitiesFreeData updated 2026-09-06
  10. Rainfall Calculator app icon

    Rainfall Calculator

    Tan Chia Ling

    Calculate rainwater harvest, savings, and tank size

    Calculate annual rainwater harvest in liters or gallons using catchment area and depth. Input units can be customized with decimal precision. Copy results to other apps and access formula references for accurate calculations.

    ★ 5.01 ratingsProductivity$2.99Data updated 2026-09-16
  11. Coordinate calculator app icon

    Coordinate calculator

    Joe Scrivens

    Calculate new coordinates using distance and bearing.

    The app calculates new coordinates for a point using a known distance and bearing. It is useful for site setting out engineers and land surveyors.

    ★ 1.01 ratingsUtilities$0.99Data updated 2026-10-07
  12. FusionCalc Pro | Memo & Calc app icon

    FusionCalc Pro | Memo & Calc

    Leo Rivas-Micoud

    Save, drag, and reuse numbers.

    The app allows users to save numbers as memos by dragging them like sticky notes. These memos can be reused in future calculations.

    ★ 5.02 ratingsUtilities$4.99Data updated 2026-09-14
  13. Blood Type Calculator app icon

    Blood Type Calculator

    Krzysztof Gwiazda

    Calculate for baby

    Calculate possible types for a child by entering parents' groups. Display four possible results: A, B, AB, and 0, each with Rh positive or negative options. Include a donor compatibility .

    ★ 0.00 ratingsUtilitiesFreeData updated 2026-09-06
  14. Instant Compound Calculator app icon

    Instant Compound Calculator

    Shun Isayama

    Calculate interest instantly

    Calculate interest with precise results. Input principal, monthly contribution, annual rate, and years to compute accumulation. Display results instantly with clear visual output. Track growth over time with detailed breakdowns.

    ★ 0.00 ratingsFinance$2.99Data updated 2026-09-06
  15. Chain & Sprocket Calculator app icon

    Chain & Sprocket Calculator

    Vladislav Zhirnov

    Calculate and ratios

    Calculate gear ratios and speeds by entering teeth. Determine length and tension. Select sizes and types. Export calculations as PDF or image. Compare setups for efficiency.

    ★ 0.00 ratingsUtilities$0.99Data updated 2026-09-06
  16. Boom Spray Mix calculator app icon

    Boom Spray Mix calculator

    Groundtruth Limited

    Calculate nozzle size and mix ratios

    Calculate nozzle size and determine agrichemical product volume needed for target application rates. Input tank capacity and type to adjust settings. Provide accurate dosage recommendations for efficient spraying.

    ★ 0.00 ratingsProductivityFreeData updated 2026-09-22
  17. Log Hours app icon

    Log Hours

    Dimitris Ververelis

    Calculate hours and minutes easily.

    The app calculates hours and minutes. It adds and subtracts time values, functioning similarly to a calculator.

    ★ 5.01 ratingsProductivity$8.99Data updated 2026-09-12

How we rank alternatives

Apps are ranked by functional similarity, category fit, rating confidence, and popularity.