Calzy app icon

Apps Like Calzy for iPhone and iPad

Calculate, edit, and organize equations

Perform calculations with a clean interface. Store and reuse numbers using the Memory Area. Bookmark equations for quick access. Drag and drop values between calculations. Switch between scientific and basic modes. Export results as text or image.

by Raja Vijayaraman★ 4.71,941 ratingsProductivity$1.99Data updated 2026-11-07

Calzy screenshots

Ranked alternatives

Showing 561–580 of 1,000 ranked alternatives.

  1. HVAC-calculator app icon

    HVAC-calculator

    Trond Rossvoll

    HVAC calculations for building energy use.

    The app performs HVAC calculations for building energy use. It helps users calculate SFP, temperature efficiency, air velocity, duct dimensions, and pressure drop.

    ★ 4.01 ratingsProductivity$4.99Data updated 2026-10-10
  1. Pipe Support Calculator app icon

    Pipe Support Calculator

    Kevin Morneault

    Calculate ordinates for fittings

    Calculate ordinate lines for 90-degree fittings. Input fractions or metric values and convert between units. Compute long radius, short radius, and 3 radius fittings. Generate 8, 16, 32, 64, or 128 ordinate lines.

    ★ 2.52 ratingsProductivity$3.99Data updated 2026-11-07
  2. CalcEngineer app icon

    CalcEngineer

    Justin Bush

    Calculate CFM, size compressors, analyze pressure drops

    Calculate CFM requirements for air actuators with real-time results. Size compressors and air receiver tanks based on system needs. Analyze pressure drops and optimize pneumatic systems with engineering-grade calculations.

    ★ 5.02 ratingsProductivityFreeData updated 2026-09-06
  3. Aperture Area Calculator app icon

    Aperture Area Calculator

    Tan Chia Ling

    Calculate with precision

    Calculate using input values and formulas. Copy results to other apps. Choose from multiple unit options. Display up to 16 decimal places. Include formulas for reference.

    ★ 0.00 ratingsUtilities$2.99Data updated 2026-09-15
  4. Codex Calc app icon

    Codex Calc

    Driftwood Studio Software LLC

    Calculator adapts to user preferences.

    The app offers a calculator with unit conversion, tip calculation, and RPN mode. It features a history tape and adapts to user preferences for button size and interface design.

    ★ 4.01 ratingsUtilities$0.99Data updated 2026-09-27
  5. 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
  6. Units: Fast & Pro Converter app icon

    Units: Fast & Pro Converter

    Rajendran Sajith Sajindran

    Convert with precision and speed

    Convert across 20 categories including length, weight, temperature, and more. Perform real-time conversions with 8-decimal precision. Switch between metric and imperial systems. Use scientific notation and dark mode.

    ★ 4.412 ratingsUtilitiesFreeData updated 2026-09-06
  7. Salse Tex Calculator (VAT) app icon

    Salse Tex Calculator (VAT)

    EONSOFT

    Calculate tax rates and adjust values

    Calculate tax amounts for VAT, GST, or PST. Input total amount and tax rate to determine tax and total. Adjust rates as needed. Export results or share calculations.

    ★ 4.812 ratingsProductivityFreeData updated 2026-09-09
  8. Dev Calc Pro (Hex Dec Oct Bin) app icon

    Dev Calc Pro (Hex Dec Oct Bin)

    DAI WEIJIE

    Convert between number bases easily.

    The app displays binary, octal, decimal, and hexadecimal numbers on one screen. It also shows color hex codes and RGB values simultaneously.

    ★ 3.52 ratingsEducation$2.99Data updated 2026-10-13
  9. Units App app icon

    Units App

    Piet Jonas

    Convert units across many categories.

    The app converts between units in categories like length, temperature, and weight. It provides access to previous conversions through a history list with colored categories.

    ★ 2.01 ratingsReference$0.99Data updated 2026-09-27

How we rank alternatives

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