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 381–400 of 1,000 ranked alternatives.

  1. Plottron app icon

    Plottron

    Billy Lin

    Graph functions and visualize complex maps

    Graphs 2D and 3D functions including parametric and polar coordinates. Supports implicit graphing and complex map visualizations with domain coloring.

    ★ 4.812 ratingsUtilitiesFreeData updated 2026-09-10
  2. RPN-67 Pro app icon

    RPN-67 Pro

    Willy Kunz

    Programmable calculator for iOS

    Run programs and perform calculations using a simulated HP-67 calculator. Input numbers and commands via on-screen keys. Access built-in functions and mathematical operations. Load and execute stored programs from magnetic card files.

    ★ 4.36 ratingsProductivity$4.99Data updated 2026-09-08
  3. MegaCalcBox - Multi Calculator app icon

    MegaCalcBox - Multi Calculator

    Kind Park LLC

    Calculate finances, track health, plan travel, manage

    Perform complex calculations with 35+ professional calculators covering finance, health, travel, and utilities. Input values, view examples, save favorites, and get instant results. Switch between dark and light modes. No advertisements.

    ★ 4.73 ratingsUtilitiesFreeData updated 2026-09-08
  1. Timecode app icon

    Timecode

    Tristan Holman

    Calculate and convert units

    Calculate and convert timecodes between different formats and frame rates. Display four user-definable units simultaneously. Perform film unit conversions and frame rate calculations.

    ★ 4.623 ratingsPhoto & Video$3.99Data updated 2026-09-08
  2. Dosatron - dosing calculator app icon

    Dosatron - dosing calculator

    SA Dosatron International

    Find pump information and support easily.

    The app provides pump support information and guidance on adjusting pumps for specific environments. Users can contact Dosatron Service and support, and stay informed about updates, news, and product developments.

    ★ 3.318 ratingsUtilitiesFreeData updated 2026-10-26
  3. Calculator CIassic app icon

    Calculator CIassic

    Edison Largo

    Calculate, log, and solve equations

    Perform basic and advanced calculations with a scientific . View and edit calculation history. Correct entries using backspace. Switch between decimal point and decimal comma formats.

    ★ 4.911 ratingsUtilitiesFreeData updated 2026-09-06
  4. Calculator PanecalST Plus app icon

    Calculator PanecalST Plus

    Noriyasu Kutsuzawa

    Edit formulas, check calculations, reuse past entries

    Calculate mathematical expressions with formula input and real-time validation. Edit formulas by tapping or using arrow keys. Reuse previous formulas to update values and recalculate.

    ★ 4.915 ratingsUtilities$1.99Data updated 2026-09-08
  5. Energy Costs Calculator app icon

    Energy Costs Calculator

    Bjoern Bartels

    Calculate use and

    Calculate annual TV viewing , savings from LED bulbs, and payback periods for appliances. Input device specs, usage time, and electricity rates to estimate and savings. Export results for comparison.

    ★ 4.782 ratingsUtilitiesFreeData updated 2026-09-08
  6. Age Calculator - Birthday app icon

    Age Calculator - Birthday

    SDG CODE DOO NIS

    Calculate age in years, months, and days

    Calculate age in years, months, and days. Input birthdate to see real-time results. Adjust date format and display preferences. Works across all device types. No additional features provided.

    ★ 4.614 ratingsUtilitiesFreeData updated 2026-09-14
  7. Date Calculator - TimeRange app icon

    Date Calculator - TimeRange

    Applorium Ltd

    Calculate dates and create countdowns

    Calculate dates by adding or subtracting days, weeks, months, or years. Adjust calculations to exclude specific weekdays or dates. Determine intervals between two dates. Create customizable countdowns and display them as widgets on the home screen.

    ★ 4.5199 ratingsProductivityFreeData updated 2026-09-08
  8. LazyCalc – Smart Calculator app icon

    LazyCalc – Smart Calculator

    Daniel Lozovsky

    Calculate, convert, and solve with precision

    Perform complex calculations with a scientific featuring parentheses and functions. Convert units across categories like length, weight, and temperature. Calculate percentages, fractions, and exponents. View editable history and switch between modes.

    ★ 5.02 ratingsUtilitiesFreeData updated 2026-09-06
  9. Metal Weight Calculator App app icon

    Metal Weight Calculator App

    Valaji Global

    Calculate with precision

    Calculate for different shapes and dimensions. Input material type, length, width, and thickness. Choose units and view results in kilograms or pounds. Save calculations and export data as PDF.

    ★ 4.7136 ratingsUtilitiesFreeData updated 2026-09-06
  10. Gratuity | Tip Calculator app icon

    Gratuity | Tip Calculator

    Carl Banks

    Calculate tips quickly and accurately

    Calculate tips for six common services with customizable amounts. Split bills among multiple people. Round tip or total to simplify payments. Adjust tip based on service quality. No advertisements.

    ★ 4.6192 ratingsUtilitiesFreeData updated 2026-09-09
  11. Linear Interpolation Master app icon

    Linear Interpolation Master

    VERVE TECHNOLOGIES PTY. LTD.

    Swap coordinates and calculate

    A calculator for industrial engineers. Displays large numbers for field use. Swaps x and y coordinates for different input ranges.

    ★ 4.7178 ratingsUtilitiesFreeData updated 2026-09-15
  12. Calculator HD (for iPad) app icon

    Calculator HD (for iPad)

    帅 刘

    Calculator HD is bigger clearer easier

    The app offers Split Screen and Side Over support for convenient operations. Users can delete input errors by swiping and copy or paste calculation data between apps.

    ★ 4.726 ratingsUtilities$1.99Data updated 2026-10-23
  13. Calculator Express with Notes app icon

    Calculator Express with Notes

    RAMAN KHVASHCHEUSKI

    Convert currency, units, and percentages

    Currency converter lets users switch between currencies. Unit converter changes measurements like length and temperature. Percentage computes percentages. BMI estimates body mass index. Tip determines tips based on bill amount.

    ★ 4.444 ratingsUtilitiesFreeData updated 2026-09-06
  14. NerdCalc app icon

    NerdCalc

    Nidal Fakhouri

    Calculate in binary, hex, and decimal simultaneously

    Convert numbers between binary, hexadecimal, and decimal bases. Display all three bases simultaneously. Switch input modes and see results in all bases. Perform arithmetic, logic, and bitwise operations. Support unsigned and 2’s complement numbers.

    ★ 4.8183 ratingsUtilitiesFreeData updated 2026-09-08
  15. Steel Weight Calculator App app icon

    Steel Weight Calculator App

    Valaji Global

    Calculate instantly

    Calculate based on dimensions and material type. Input length, width, and thickness. Select grade for accurate results. Export calculations and share data directly.

    ★ 4.753 ratingsUtilitiesFreeData updated 2026-09-06
  16. Concrete Calculator - Calc app icon

    Concrete Calculator - Calc

    Phan Nhat Đang

    Estimate volume and calculate bags

    Estimate volume for a given area. Calculate required ready-mix bags. Input dimensions to determine quantities. Provide clear results for construction planning.

    ★ 4.8172 ratingsUtilitiesFreeData updated 2026-09-06
  17. Gravel Calculator - Calc app icon

    Gravel Calculator - Calc

    Phan Nhat Đang

    Calculate earthwork volume and material needs

    Calculate earthwork material requirements by entering project parameters to determine area and volume. Input weight or volume units for and total material needed. Support multiple length, weight, and volume units for accurate calculations.

    ★ 4.670 ratingsUtilitiesFreeData updated 2026-09-26

How we rank alternatives

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