SigiCalc app icon

Apps Like SigiCalc for iPhone and iPad

by Siegwart Software★ 5.01 ratingsEducationFreeData updated 2026-09-08

SigiCalc screenshots

Ranked alternatives

Showing 121–140 of 1,000 ranked alternatives.

  1. MathPapa - Algebra Calculator app icon

    MathPapa - Algebra Calculator

    MathPapa, Inc.

    Solve equations and graph functions

    Solves linear and quadratic equations with step-by-step explanations. Handles inequalities and systems of equations. Graphs equations and factors quadratics. Evaluates expressions and follows order of operations.

    ★ 4.717,158 ratingsEducationFreeData updated 2026-09-10
  2. NCalc Scientific Calculator + app icon

    NCalc Scientific Calculator +

    Tran Duy

    Calculate, graph, convert, solve

    Allows users to perform complex calculations with a natural display that shows expressions as written. It supports fractions, roots, and exponents. The includes a graphing module for visualizing equations.

    ★ 4.711,472 ratingsEducationFreeData updated 2026-09-06
  1. Maple Calculator: Math Solver app icon

    Maple Calculator: Math Solver

    Maplesoft

    Solve problems and visualize solutions

    Solve problems with step-by-step explanations. Generate 2-D and 3-D visualizations. Perform algebra, calculus, and integration calculations. Take a picture of equations for input. Export solutions and graphs.

    ★ 4.71,500 ratingsEducationFreeData updated 2026-09-06
  2. iGian app icon

    iGian

    Gian Vitale Da Rin Vidal

    ★ 0.00 ratingsUtilitiesFreeData updated 2026-09-08
  3. RPN 28x Calc app icon

    RPN 28x Calc

    Eric Roller

    Enter expressions and calculate results

    Is a programmable scientific calculator with a dynamic stack display. Users can input numbers and operations using reverse-polish notation. The display expands automatically as more values are added, and users can swipe to view additional lines.

    ★ 5.034 ratingsProductivity$6.99Data updated 2026-09-08
  4. 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
  5. TI-Nspire™ CAS app icon

    TI-Nspire™ CAS

    Texas Instruments

    Solve equations and graph functions

    Solve equations and perform algebraic manipulations. Graph functions and analyze data. Enter and analyze statistical models. Calculate derivatives and integrals. Export results and share solutions.

    ★ 4.6406 ratingsEducation$29.99Data updated 2026-09-08
  6. Big Button Calculator Pro Lite app icon

    Big Button Calculator Pro Lite

    Cider Software LLC

    Calculate with dual-line display and color themes

    Calculate with a dual-line display showing input and result simultaneously. Use percentage and backspace functions. Switch between 18 color themes. Enter multi-line equations. Automatically format scientific expressions.

    ★ 4.714,055 ratingsUtilitiesFreeData updated 2026-09-11
  7. SnapMath - Photo Word Math app icon

    SnapMath - Photo Word Math

    Harun Eral

    Scan equations, get step-by-step solutions, share, print,

    Scan problems to receive step-by-step solutions in PDF format. Share, print, or save the document. View graphical representations of solutions. Solve equations, inequalities, derivatives, integrals, and trigonometry problems.

    ★ 4.51,550 ratingsEducationFreeData updated 2026-09-06
  8. PCalc app icon

    PCalc

    TLA Systems Ltd.

    Calculate, convert, and program with precision

    Perform complex calculations with support for hexadecimal, octal, and binary. Use RPN mode and multi-line display. Access unit conversions, scientific constants, and engineering notation. Enable multiple undo and redo. View results on a paper tape.

    ★ 0.00 ratingsUtilities$4.99Data updated 2026-09-08
  9. Studyable: AI Study Help app icon

    Studyable: AI Study Help

    Inter Platforms Pty Ltd

    Solve questions and chat with AI tutor

    Allows users to take photos of math problems and receive step-by-step solutions. It can plot graphs of equations. Users can chat with an AI tutor for homework and assignment .

    ★ 4.71,103 ratingsEducationFreeData updated 2026-09-06
  10. RPNu app icon

    RPNu

    Scott Johnson

    ★ 0.00 ratingsUtilitiesFreeData updated 2026-09-12
  11. Pascal: 3-in-1 Calculator app icon

    Pascal: 3-in-1 Calculator

    Andrew Wei

    Calculate, graph, code with precision

    Perform complex calculations with scientific, graphing, and programmer modes. View graphs and equations. Use the Today widget for quick access. Unlock advanced features with in- purchases. Reinstall to reset trial periods.

    ★ 4.023 ratingsProductivityFreeData updated 2026-09-09
  12. Desmos Graphing Calculator app icon

    Desmos Graphing Calculator

    Desmos, Inc.

    Plot equations and animate graphs

    Allows plotting of polar, cartesian, and parametric equations with unlimited expressions. Users can add sliders for function transformations, create tables for data input, and animate graphs.

    ★ 4.31,279 ratingsEducationFreeData updated 2026-09-08
  13. Calculator Pro Lite app icon

    Calculator Pro Lite

    Cider Software LLC

    Customize themes and buttons

    Customize appearance with themes, button shapes, and colors. Choose from six layouts and control all visual elements. View input and result simultaneously on dual-line display. Adjust settings for precise calculations.

    ★ 4.63,075 ratingsUtilitiesFreeData updated 2026-09-08
  14. Calculator, basic and advanced app icon

    Calculator, basic and advanced

    Saren Inden

    Calculate, solve, and explore equations

    Perform calculations with a simple or interface. Solve equations step by step and view detailed explanations. Access calculation history for review or sharing. Generate graphs for visual representation of equations.

    ★ 4.678 ratingsUtilitiesFreeData updated 2026-09-06

How we rank alternatives

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