Tredecuple Calc app icon

Apps Like Tredecuple Calc for iPhone and iPad

Use calculators to solve problems

Display multiple calculators for different purposes. Perform calculations using each calculator. Switch between calculators to access various functions. Input numbers and operators to compute results.

by Hideaki Uchikoshi★ 0.00 ratingsUtilitiesFreeData updated 2026-09-06

Ranked alternatives

Showing 21–40 of 1,000 ranked alternatives.

  1. Calculator! app icon

    Calculator!

    7th Gear

    Calculate, customize, and solve equations

    Calculator lets users perform basic and scientific calculations with over 30 functions. Switch between portrait and landscape modes. Customize leather color and background texture on iPad. Take notes or draw directly on the interface.

    ★ 4.84,271 ratingsUtilities$0.99Data updated 2026-09-08
  2. Calculator for iPad! app icon

    Calculator for iPad!

    7th Gear

    Customize appearance and layout

    Lets users switch between basic and scientific modes with over 30 operations. Customize leather color and background texture on iPad. Use portrait or landscape orientation on iPad. Take notes or draw on the screen.

    ★ 4.761,050 ratingsUtilitiesFreeData updated 2026-09-08
  3. Calc Pro - The Top Calculator app icon

    Calc Pro - The Top Calculator

    Panoramic Software Inc.

    Calculate and manage your finances

    Perform complex calculations using ten built-in calculators. Access ten financial worksheets for budgeting, loans, and investments. Input formulas, view results, and save calculations. Export data as PDF or text. Switch between light and dark modes.

    ★ 4.7358 ratingsUtilities$7.99Data updated 2026-09-08
  1. Calculator%. app icon

    Calculator%.

    Unicom TOV

    Calculate, add, subtract, multiply, divide

    A calculator with a large, easy-to-read display and simple buttons. Perform addition, subtraction, multiplication, and division. Features a clear layout and user-friendly design for everyday use.

    ★ 4.44,181 ratingsUtilitiesFreeData updated 2026-09-09
  2. Calculator HD Pro Lite app icon

    Calculator HD Pro Lite

    Cider Software LLC

    Calculate with dual-line display and multi-line input

    A with dual-line display showing input and result. Supports multi-line equations and tap-to-move cursor. Saves calculation history with timestamps and labels. Allows emailing calculations and swiping to review previous entries.

    ★ 4.651,412 ratingsUtilitiesFreeData updated 2026-09-08
  3. Feet & Inches Tape Calculator app icon

    Feet & Inches Tape Calculator

    Tue Nguyen Minh

    Calculate and with a measure display

    Convert measurements between , , and centimeters. Input fractions or decimals for precise calculations. View results on a visual measure display. Perform addition, subtraction, multiplication, and division with measurement values.

    ★ 4.49,255 ratingsUtilitiesFreeData updated 2026-09-06
  4. ▸ Calculator + app icon

    ▸ Calculator +

    CAT VIET SOFTWARE DEVELOPMENT & MEDIA JSC

    Calculate, convert, and solve equations

    Perform complex calculations using 12 built-in calculators including scientific, financial, and unit conversion tools. Input formulas with three modes: standard, string, and RPN.

    ★ 4.7899 ratingsUtilities$1.99Data updated 2026-09-08
  5. Basic Calculator: Classic Calc app icon

    Basic Calculator: Classic Calc

    MobArts Ltd

    Calculate, split, and customize

    Perform general calculations including addition, subtraction, multiplication, division, and square roots. Use memory functions for storage and retrieval. Apply thousands separators and handle numbers up to 60 digits.

    ★ 4.83,214 ratingsUtilitiesFreeData updated 2026-09-08
  6. Class Calc Graphing Calculator app icon

    Class Calc Graphing Calculator

    Muskian Inc.

    Calculate stats, graphs, and matrices safely

    Perform statistical calculations, graph functions, and handle scientific and matrix operations. Access all features without ads or付费 restrictions. Replace physical calculators for test preparation and academic use.

    ★ 4.91,580 ratingsEducationFreeData updated 2026-09-06
  7. Symbolab - AI Math Solver App app icon

    Symbolab - AI Math Solver App

    Eqsquest Ltd

    Solve problems with step-by-step guidance

    Solve problems by typing or snapping a photo. Get step-by-step solutions for pre-algebra, calculus, trigonometry, and more. Calculate derivatives, integrals, equations, and fractions. Graph functions and analyze results.

    ★ 4.626,156 ratingsEducationFreeData updated 2026-09-09
  8. Calc Pro HD - Top Calculator! app icon

    Calc Pro HD - Top Calculator!

    Panoramic Software Inc.

    Calculate, edit, and track financial data

    Perform complex calculations with 10 financial worksheets and 10 calculators. Switch between landscape and portrait modes. View results in decimal, fraction, or percentage formats. Save and recall previous calculations. Export data as text or PDF.

    ★ 4.7283 ratingsUtilities$7.99Data updated 2026-09-08
  9. Mathematics with PocketCAS Pro app icon

    Mathematics with PocketCAS Pro

    Timing Software GmbH

    Solve math problems and graph functions

    Solve math problems from elementary to college level. Perform algebra, calculus, and statistical calculations. Graph functions and equations. Export results and share solutions. Replace graphing calculators advanced computation tools.

    ★ 4.7526 ratingsEducation$19.99Data updated 2026-09-08
  10. Calc Pro HD – iPad Calculator app icon

    Calc Pro HD – iPad Calculator

    Panoramic Software Inc.

    Calculate, edit, and track finances

    Perform complex calculations with scientific, financial, and unit conversion tools. Access 10 financial worksheets for budgeting and planning. Switch between landscape and portrait modes. Save and export calculation results.

    ★ 4.71,468 ratingsUtilitiesFreeData updated 2026-09-08
  11. Ohms Law Calc. app icon

    Ohms Law Calc.

    V PUGAZHENTHI

    Calculate voltage, current, and resistance

    Calculate electrical values using formulas for voltage, current, resistance, power, and more. Determine wire size and voltage drop. Perform transformer and generator calculations. Convert between electrical units.

    ★ 4.71,326 ratingsUtilitiesFreeData updated 2026-09-08
  12. Pipe Trades Pro Calc app icon

    Pipe Trades Pro Calc

    Calculated Industries, Inc.

    Try before you buy with free trial

    Perform length calculations, determine fittings angles, and estimate material requirements. Access schedules, standards, and industry-specific data. Convert units and calculate pressure drops. Save and export calculation results.

    ★ 4.84,282 ratingsUtilitiesFreeData updated 2026-09-08
  13. HVACR Check & Charge app icon

    HVACR Check & Charge

    Copeland LP

    Calculate refrigerant charges instantly

    Calculate refrigerant charges for systems using built-in formulas. Input system parameters to determine correct levels for R-22, R-410A, R-32, and other refrigerants. Save and export calculation results for record-keeping.

    ★ 4.817,232 ratingsReferenceFreeData updated 2026-09-08
  14. CALC Smart Calculator ± app icon

    CALC Smart Calculator ±

    QApps LLC

    Calculate, convert, and solve equations

    Perform complex calculations with scientific formulas and unit conversions. Access calculation history via Spotlight and 3D Touch. Use widgets for quick access and history integration. Sync with Apple Watch for notifications and basic calculations.

    ★ 4.82,367 ratingsUtilitiesFreeData updated 2026-09-08
  15. Calculator ٞ  ٞ app icon

    Calculator ٞ ٞ

    MATRIKS GRUP, TOV

    Calculate, edit, and track numbers

    Perform basic and complex calculations with a clean, intuitive interface. Input numbers and operators to solve equations. Switch between different calculation modes for precision. Save frequently used equations for quick access.

    ★ 4.41,374 ratingsUtilitiesFreeData updated 2026-09-10
  16. Loan Calculator - Debt Planner app icon

    Loan Calculator - Debt Planner

    Michael Chu

    Calculate loans and view payment details

    Calculate payments and estimate total interest. View payoff timelines. Adjust extra payments to see savings. Compare different terms and interest rates. Export results for reference.

    ★ 4.622,492 ratingsFinanceFreeData updated 2026-09-10
  17. Financial Calculator: Percent app icon

    Financial Calculator: Percent

    Applorium Ltd

    Calculate interest, taxes, and averages

    Calculate metrics with 25+ built-in tools including average share price, tax, interest, profit, markup, discount, mortgage, tip, ROI, IRR, and CAGR. Perform investment analysis and everyday percentage calculations.

    ★ 4.714,729 ratingsFinanceFreeData updated 2026-09-09

How we rank alternatives

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