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 401–420 of 1,000 ranked alternatives.

  1. 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
  2. This is Calculator app icon

    This is Calculator

    Cheolchan Um

    Calculate, note, and copy results

    Perform calculations with a clean interface. View calculation history, add notes to each entry, and copy-paste results for easy reference.

    ★ 4.414 ratingsProductivityFreeData updated 2026-09-06
  3. Converter and Calculator Lite app icon

    Converter and Calculator Lite

    Cider Software LLC

    Convert units and currencies instantly

    A and unit/currency with a clean interface. Convert between 500+ units across 29 categories and 161 currencies. Customize colors and display selected units. Enter values to instantly convert between units.

    ★ 4.888 ratingsUtilitiesFreeData updated 2026-09-08
  1. xCalc - Simple Calculator app icon

    xCalc - Simple Calculator

    Kouichi Abe

    Simple calculator with useful features.

    The app performs basic arithmetic operations and includes memory functions. It also offers tax calculation, calculation history, and a unit converter.

    ★ 0.00 ratingsUtilities$0.99Data updated 2026-11-04
  2. Power Key - Letters,Symbols,Emoji app icon

    Power Key - Letters,Symbols,Emoji

    Himanshu Minocha

    Add symbols and emoji to your keyboard

    Adds mathematical symbols like less than or equal to and cube roots to iOS keyboards. Includes new emoji such as snowman and umbrella. Features a blue-themed keyboard design with customizable symbols and layout.

    ★ 1.01 ratingsProductivityFreeData updated 2026-09-09
  3. Calculator HD for iPad. app icon

    Calculator HD for iPad.

    良峰 侯

    Calculate, switch, and share results

    Perform calculations with basic and scientific modes. Switch between portrait and landscape views. Display calculation steps and use a voice-activated . Customize keyboard layout and choose from two skins.

    ★ 4.341 ratingsUtilitiesFreeData updated 2026-09-08
  4. Sports Bet Calculator app icon

    Sports Bet Calculator

    Gary Smith

    Calculate bets, track odds, manage selections

    Calculate bets with support for single, double, treble, and accumulator wagers. Input up to 20 selections and configure bonuses for Alphabet, Lucky 15, 31, and 63 bets. Convert between fraction, decimal, and American odds formats.

    ★ 4.669 ratingsSportsFreeData updated 2026-09-08
  5. Annuity Calculator - Calc app icon

    Annuity Calculator - Calc

    Phan Nhat Đang

    Calculate accumulation and payout

    Calculate accumulation and payout phases with built-in calculators. Input variables to determine payment amounts and timing. View results for informed financial planning.

    ★ 4.4111 ratingsFinanceFreeData updated 2026-09-06
  6. Calculator ÷ app icon

    Calculator ÷

    Przemyslaw Skowronek

    Track calculations and view history

    Calculate with a that supports basic and advanced functions. View calculation history for reference. Copy results to clipboard for quick use. Use split view for multitasking on iPad.

    ★ 4.6194 ratingsUtilitiesFreeData updated 2026-10-19
  7. ROI Calculator - Calc app icon

    ROI Calculator - Calc

    Phan Nhat Đang

    Calculate ROI and Annualized ROI

    Calculate ROI by entering invested amount, returned amount, and investment period. Compute annualized ROI for long-term returns. Provide accurate results based on user input.

    ★ 4.5156 ratingsUtilitiesFreeData updated 2026-10-16
  8. Calculator Desk Accessory app icon

    Calculator Desk Accessory

    Planetary Code LLC

    Calculate and scale across devices

    Allows users to perform basic and advanced calculations. It features a retro-modern design and supports scaling for iPhone and iPad screens. It works in split view and slide over modes.

    ★ 5.04 ratingsProductivity$4.99Data updated 2026-09-18
  9. Simbol app icon

    Simbol

    Amit Jain

    Copy symbols and HTML codes instantly

    Access a library of universal symbols with HTML code support. Copy symbols from ISO-8859-1, HTML, or special categories. Edit equations directly in the equation editor and copy formatted results.

    ★ 4.225 ratingsProductivityFreeData updated 2026-09-08
  10. Trigonometry Calculator. app icon

    Trigonometry Calculator.

    Horitech Ltd

    Calculate triangle angles and sides

    Calculate sides and angles for right-angled and scalene triangles. Access a reference guide for formulas. Perform precise calculations using known values.

    ★ 4.26 ratingsUtilitiesFreeData updated 2026-09-06
  11. Mega Millions & Powerball App app icon

    Mega Millions & Powerball App

    Lagot Games Yazilim ve Pazarlama Anonim Sirketi

    Generate optimized lottery numbers

    Generate lottery numbers using advanced algorithms and smart formulas to create optimized lines. Select or randomize multiple numbers per line. Support multiple lottery types and formats. Export number combinations for future reference.

    ★ 4.6114 ratingsProductivityFreeData updated 2026-09-06
  12. RPN-25 CE app icon

    RPN-25 CE

    Willy Kunz

    Calculate with photo-realistic precision

    Simulate the HP-25C calculator with input method. Perform complex calculations, store and recall values, and use programmable functions. Access continuous memory for data retention. View and edit programs directly on the interface.

    ★ 4.69 ratingsUtilities$2.99Data updated 2026-10-01
  13. Construction Calculator Pro #1 app icon

    Construction Calculator Pro #1

    ORYX AI INFORMATION TECHNOLOGY - FZCO

    Calculate measurements, estimate materials, layout stairs

    Calculate dimensions, convert units, and perform angle and rafter measurements. Estimate material quantities and layout stairs. Input measurements for precise calculations. Save and reuse formulas for repeated tasks.

    ★ 4.646 ratingsUtilitiesFreeData updated 2026-09-06
  14. Square Feet Calculator Utility app icon

    Square Feet Calculator Utility

    Robert Winkelman

    Calculate for rectangles

    Calculate footage by entering length and width for multiple rectangles. Support measurements in , inches, or both. Export calculations as CSV for further use.

    ★ 4.821 ratingsUtilitiesFreeData updated 2026-09-11
  15. Paperman - Paper Calculator app icon

    Paperman - Paper Calculator

    Guho Choi

    Calculate paper for book production.

    The app calculates paper reams for book production and offers features like paper type identification via ISBN scanning and spine width calculation. Users can also calculate paper needs for covers, posters, and generate price quotations.

    ★ 4.833 ratingsUtilitiesFreeData updated 2026-11-12
  16. ACN/PCN Calculator app icon

    ACN/PCN Calculator

    AeroKitPro LLC

    Calculate ACN and PCN values

    Calculate aircraft pavement strength using ICAO standards. Input aircraft weight and pavement type to determine acceptable load limits. Compare results against established thresholds for runways, taxiways, and aprons.

    ★ 4.6142 ratingsUtilitiesFreeData updated 2026-09-10
  17. Simple Voice Calculator app icon

    Simple Voice Calculator

    Ravi Heyne

    Calculate with , edit equations instantly, preview

    Input allows users to speak equations for instant calculation and audio output. Tap to edit equation parts without backspacing. View equation components above the input and the result below. Access calculation history and favorites for quick reuse.

    ★ 4.6105 ratingsUtilitiesFreeData updated 2026-09-06

How we rank alternatives

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