Primality app icon

Apps Like Primality for iPhone and iPad

Check if a number is prime

Determine if a number is prime or list its prime factors. Input any integer between 0 and 999,999,999,999. Identify the prime ordinality of a prime number, showing its position in the sequence of primes.

by Bruce Schechter★ 4.926 ratingsUtilitiesFreeData updated 2026-09-26

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Ranked alternatives

Showing 521–540 of 1,000 ranked alternatives.

  1. 13+ Maths Lite app icon

    13+ Maths Lite

    Webrich Software Limited

    Maths revision and practice questions.

    The app provides over 140 revision notes and 1420 questions covering Number, Algebra, Geometry & Measure, and Data Handling. It offers detailed test results with time taken per question and explanations for each answer.

    ★ 0.00 ratingsEducationFreeData updated 2026-10-17
  2. TV Remote Universal Control ™ app icon

    TV Remote Universal Control ™

    APEXFLOW

    Your TV with your iPhone or iPad

    Your TV with full functionality: power on/off, adjust volume, mute, and navigate menus using a D-Pad. Support LG, Samsung, Roku, Sony, TCL, Hisense, and Philips TVs. Replace lost remotes with one .

    ★ 5.012 ratingsUtilitiesFreeData updated 2026-09-06
  1. IUS - Tesis y leyes de México app icon

    IUS - Tesis y leyes de México

    Francisco Vera Gomez

    Search laws and theses in real time

    Search legal documents and theses in Mexico. Look up over 250 federal laws and codes. Filter by subject from 10 available categories. Highlight key phrases and access related articles without losing your search.

    ★ 4.611 ratingsReferenceFreeData updated 2026-09-08
  2. Base to Base Converter app icon

    Base to Base Converter

    Yuri Morozov

    Convert numbers between bases with detailed steps

    Convert integers and fractions between bases 2 to 16. Perform calculations and display detailed step-by-step explanations for conversions. Support direct -to- conversion with step explanations. Minimize numerical errors during fractional conversions.

    ★ 0.00 ratingsEducationFreeData updated 2026-09-06
  3. Queen Elizabeth II app icon

    Queen Elizabeth II

    N Hamilton

    A tribute to a devoted monarch.

    This app offers information about the reign of Queen Elizabeth II. It covers events from her 70-year reign, including her Platinum Jubilee and Diamond Jubilee.

    ★ 5.02 ratingsReference$0.99Data updated 2026-09-29

How we rank alternatives

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