A Complex Calc app icon

Apps Like A Complex Calc for iPhone and iPad

Calculate, edit, and track numbers

A calculator with Basic and Scientific modes supports numbers and trigonometric functions. Perform quick calculations, access advanced operations, and view computation history. Generate random numbers with uniform distribution.

by Antonio Ruffolo★ 4.723 ratingsUtilitiesFreeData updated 2026-09-14

A Complex Calc screenshots

Ranked alternatives

Showing 341–360 of 1,000 ranked alternatives.

  1. Audiofile Calc — LUFS, dB, Hz app icon

    Audiofile Calc — LUFS, dB, Hz

    Audiofile Engineering, LLC

    Calculate audio parameters and settings

    Calculate note lengths and bar lengths for musical compositions. Convert time signatures and tempo. Adjust beat divisions and measure counts. Export results and share calculations.

    ★ 4.513 ratingsMusicFreeData updated 2026-09-08
  2. Calculator.... app icon

    Calculator....

    Tamer Elsharqawy

    Calculate numbers quickly and accurately

    Perform basic arithmetic operations, calculate percentages, and convert units. Access scientific functions, memory storage, and equation solving. Share results via copy or screenshot.

    ★ 4.319 ratingsUtilitiesFreeData updated 2026-09-10
  1. Calculator Plus History Record app icon

    Calculator Plus History Record

    Chirag Gabani

    Calculate and view past entries

    Track and view past calculations in real time during use. Perform basic math operations with customizable settings. Save calculation for future reference and verification.

    ★ 4.414 ratingsUtilitiesFreeData updated 2026-09-06
  2. RPN-45 HD app icon

    RPN-45 HD

    Willy Kunz

    Calculate like a scientific calculator

    Simulate the HP-45 scientific calculator with photo-realistic visuals and animated keys. Perform all original functions and operations. Access a secret timer for 12-hour or 100-hour intervals. Switch to Super-45 mode for enhanced capabilities.

    ★ 4.86 ratingsProductivity$2.99Data updated 2026-09-08
  3. Digiduct app icon

    Digiduct

    Syska Hennessy Group, Inc.

    Calculate ducts, verify designs, track results

    Perform duct design calculations for rectangular, round, and flat oval shapes. Input dimensions and system parameters for accurate sizing. Verify calculations in real-time during field work. Sync with ASHRAE standards for reliable results.

    ★ 5.010 ratingsUtilitiesFreeData updated 2026-09-06
  4. RPN Calculus app icon

    RPN Calculus

    Thomas Braun

    Scientific RPN calculator for iPad.

    The app performs calculations with up to 15 digits of precision and supports a number range from -1E127 to 1E127. It includes a database of over 120 scientific constants that users can extend.

    ★ 4.01 ratingsUtilities$1.99Data updated 2026-09-14
  5. Flange Hole Marker Calc app icon

    Flange Hole Marker Calc

    Nanjibhai Gorasiya

    Calculate positions

    Calculate positions with equispaced calculator, angled placement tool, and equivalent count converter. Input dimensions and angles to generate precise measurements. Export results for use in workshop or design processes.

    ★ 0.00 ratingsUtilitiesFreeData updated 2026-09-06
  6. Construction Calculator - app icon

    Construction Calculator -

    TERMUX LIMITED LIABILITY COMPANY

    Calculate materials, estimate costs, track progress

    Calculate concrete volume with precise formulas and unit conversions. Estimate material quantities for walls, slabs, and foundations. Measure dimensions and convert units. Generate reports and save calculations for future projects.

    ★ 4.524 ratingsProductivityFreeData updated 2026-09-06
  7. 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
  8. Janus Calculator app icon

    Janus Calculator

    Geoffrey Domm

    Standard and RPN programmable calculators.

    The app provides two calculators: one using Standard Notation and another using Reverse Polish Notation. Both calculators are programmable and include finance and scientific functions, plus 45 physical constants.

    ★ 2.01 ratingsProductivityFreeData updated 2026-09-14
  9. Barbell Calculator Gym Calc app icon

    Barbell Calculator Gym Calc

    Charles Vanderhoff

    Calculate plates for your

    Calculate weights with instant plate configurations. Customize equipment inventory in pounds or kilograms. Supports fractional and non-standard weight plates. Track heavy lifts like squats and deadlifts.

    ★ 4.137 ratingsHealth & Fitness$3.99Data updated 2026-09-09
  10. Magna Calc app icon

    Magna Calc

    Greg Paskal

    Calculate magnification and apply Barlow lens adjustments

    Calculate magnification using telescope and eyepiece focal lengths. Input values in millimeters. Include 2x to 5x Barlow lens options. Perform calculations for amateur and professional astronomers. Display results directly.

    ★ 3.02 ratingsEducation$0.99Data updated 2026-09-08
  11. CalcKey: Calculator Keyboard app icon

    CalcKey: Calculator Keyboard

    RIGHT TRACKS IT LIMITED

    Calculate within messages and notes

    Allows users to perform calculations directly within apps like Messages, WhatsApp, and Notes. It integrates a for quick math during typing. Real-time results appear as users input numbers.

    ★ 4.24 ratingsProductivityFreeData updated 2026-09-06
  12. next.calc: a modern calculator app icon

    next.calc: a modern calculator

    Josh Angelsberg

    Calculate, theme, and track numbers

    Calculate mathematical expressions with infix notation, view full equations as they are typed. Customize themes to match personal style. Access via lock screen widgets. Use one-handed keyboard for larger devices.

    ★ 5.026 ratingsUtilitiesFreeData updated 2026-09-06

How we rank alternatives

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