ExtCalc app icon

Apps Like ExtCalc for iPhone and iPad

Scientific calculator with formula view.

The app displays a user's formula in a colorized text view. Users can manage multiple calculation sheets, memorize results, and utilize a customizable constants pool and VAT calculator.

by Matthias Weber★ 0.00 ratingsUtilitiesFreeData updated 2026-09-15

ExtCalc screenshots

Ranked alternatives

Showing 101–120 of 1,000 ranked alternatives.

  1. P-Calc app icon

    P-Calc

    Thibault Delimard

    ★ 5.01 ratingsBusinessFreeData updated 2026-09-06
  2. Simple Calculator. + app icon

    Simple Calculator. +

    tasser gyati

    Calculate taxes and percentages

    Perform arithmetic calculations with 12 digits. Calculate tax, percentages, and cost, selling price, and gross margin. Use memory functions, square root, and sign change. Track grand total.

    ★ 4.7147 ratingsUtilities$1.99Data updated 2026-09-14
  1. Basic Calculator Biz app icon

    Basic Calculator Biz

    Imple, Inc.

    Calculate and view formulas clearly

    Performs arithmetic operations including addition, subtraction, multiplication, and division. Displays full calculation formulas for error detection. Includes standard functions comparable to commercial calculators.

    ★ 5.05 ratingsUtilitiesFreeData updated 2026-09-12
  2. SFX Calc app icon

    SFX Calc

    Wai Kwong Lee

    Calculate with constants and memory

    SFX- performs basic arithmetic operations and allows calculations with a fixed constant. It includes non-volatile and volatile memory storage. It supports fraction and percentage calculations, linear regression, and statistical functions.

    ★ 4.7137 ratingsUtilitiesFreeData updated 2026-09-06
  3. Magnet Calculator app icon

    Magnet Calculator

    DAI WEIJIE

    Easy memory calculator for daily life.

    The app offers a basic calculator with movable calculation results. Users can drag results to a clipboard, send, share, or delete them.

    ★ 4.616 ratingsUtilitiesFreeData updated 2026-10-16
  4. Ohm & Watt Law Electrical Calc app icon

    Ohm & Watt Law Electrical Calc

    TrothMatrix OPC Private Limited

    Calculate voltage, current, resistance, and power

    Calculate Voltage, Current, Resistance, and Power using Ohm’s Law and ’s Law. Input values to solve for unknowns. Display results instantly. Includes formulas for calculations. Supports both direct and indirect circuit analysis.

    ★ 4.752 ratingsUtilitiesFreeData updated 2026-09-17
  5. Fractions Pro app icon

    Fractions Pro

    Intemodino Group s.r.o.

    Calculate with fractions and decimals.

    The app performs mathematical, engineering, scientific, and technical calculations. It handles fractions, mixed numbers, decimals, and integers with various functions including trigonometric operations and constants.

    ★ 2.914 ratingsProductivity$6.99Data updated 2026-10-23
  6. Calculator Widget - Calc Notes app icon

    Calculator Widget - Calc Notes

    FugaPiyo Inc.

    Calculate, save, and reuse formulas

    Perform mathematical calculations with support for parentheses and decimals. Save and reuse formulas or results. View calculation history with color coding, dates, and . Calculate totals from selected entries. Move or duplicate history entries.

    ★ 4.314 ratingsProductivityFreeData updated 2026-09-06
  7. calculatorX2 app icon

    calculatorX2

    Gianluca Natalini

    Scientific calculator with Direct Algebraic Logic.

    The app is a scientific calculator using Direct Algebraic Logic. It automatically accounts for operator precedence, allowing formulas to be entered as written.

    ★ 0.00 ratingsUtilities$0.99Data updated 2026-09-29
  8. Brewfather app icon

    Brewfather

    Warpkode AS

    Create recipes, track batches, manage ingredients

    Create and manage brewing recipes with detailed ingredient tracking and batch management. Edit recipes with advanced parameters. Sync across devices and access offline. Monitor inventory and adjust recipes for optimal results.

    ★ 4.9752 ratingsFood & DrinkFreeData updated 2026-09-21
  9. Rebar Calc app icon

    Rebar Calc

    Appco LLC (USA)

    Calculate tons and linear feet

    Calculate quantities including tons, linear feet, and sheets or rolls of mesh based on project dimensions and selected sizes. Adjust lap lengths and configure mesh types for accurate results.

    ★ 4.9633 ratingsUtilitiesFreeData updated 2026-09-11
  10. VAT Calculator Tax app icon

    VAT Calculator Tax

    Jorge Lucioni Charalla

    Calculate VAT and adjust percentages

    Set VAT percentages for different regions. Calculate tax amounts for invoices or purchases. Adjust rates based on location. Input values and receive instant tax computations. Save frequently used rates for quick access. Export results as text or PDF.

    ★ 0.00 ratingsFinance$9.99Data updated 2026-09-06
  11. Engineering Survey Calculator app icon

    Engineering Survey Calculator

    V PUGAZHENTHI

    Calculate parameters and units

    Calculate standard deviation, probable error, and error of the mean for surveying and civil measurements. Switch between imperial and metric units. Perform calculations for series of observations and single or combined accidental errors.

    ★ 5.01 ratingsUtilities$2.99Data updated 2026-09-08

How we rank alternatives

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