Permutation and Combination app icon

Apps Like Permutation and Combination for iPhone and iPad

by Keiji Matsui★ 3.715 ratingsEducationFreeData updated 2026-09-10

Permutation and Combination screenshots

Ranked alternatives

Showing 261–280 of 1,000 ranked alternatives.

  1. Column addition method app icon

    Column addition method

    Roman Konasov

    Calculate and generate worksheets

    Perform to sum two numbers. Generate worksheets for practice. View step-by-step calculations. Save and share worksheets. Adjust number ranges and difficulty levels.

    ★ 5.04 ratingsEducationFreeData updated 2026-09-06
  2. Refrigerant Calculator app icon

    Refrigerant Calculator

    Caio Pinheiro

    Convert pressure to temperature and vice versa

    Convert pressure or temperature values for refrigeration systems using ammonia R717, freon HCFC-22, R-22, and R134a. Calculate compressor and condenser parameters. Input values to obtain results for overheating and other related calculations.

    ★ 4.03 ratingsReferenceFreeData updated 2026-09-08
  1. The Square App app icon

    The Square App

    NEXT PRACTICE PARTNERS LLC.

    Calculate hypotenuse for right triangles

    Calculate hypotenuse lengths for right triangles using entered length and width measurements. Display results in feet and inches. Assist with ensuring project alignment and accuracy.

    ★ 4.24 ratingsEducationFreeData updated 2026-09-14
  2. Castrol 2TRatio app icon

    Castrol 2TRatio

    Castrol Australia Pty Ltd

    Two stroke oil to fuel calculator.

    The app calculates the oil to fuel ratio for two-stroke engines. It determines the amount of oil to add to fuel based on the engine manufacturer's suggested ratio.

    ★ 3.04 ratingsUtilitiesFreeData updated 2026-10-27
  3. CTS - Cincinnati Test Systems app icon

    CTS - Cincinnati Test Systems

    Cincinnati Test Systems, Inc.

    Calculate leak cycle time

    Calculate leak cycle time using leak rate, volume, and pressure drop. Convert between volume, pressure units, bubble to leak rate, and length/area measurements. Provides formula-based calculations for leak testing applications.

    ★ 5.04 ratingsEducationFreeData updated 2026-09-10
  4. KanaDrills app icon

    KanaDrills

    Gestell, LLC

    Improve hiragana and katakana learning.

    The app helps users master Japanese kana, including hiragana and katakana, with drills. It offers customizable question counts and tracks progress with high scores, synchronizing across devices via iCloud.

    ★ 4.03 ratingsEducationFreeData updated 2026-09-28
  5. GOALed app icon

    GOALed

    Kevin Gaffney

    ★ 4.33 ratingsHealth & FitnessFreeData updated 2026-09-12
  6. INCORE app icon

    INCORE

    LinkCom Manufacturing Co., Ltd.

    ★ 5.02 ratingsUtilitiesFreeData updated 2026-09-13

How we rank alternatives

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