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

Primality screenshots

Ranked alternatives

Showing 541–560 of 1,000 ranked alternatives.

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    KiLog - Log anything

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    Record life moments with customizable logs

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    ★ 4.814 ratingsBookFreeData updated 2026-09-06
  2. Remote PLC app icon

    Remote PLC

    Automationdirect.com

    Monitor and control PLCs remotely

    Allows users to connect to a PLC via Ethernet or Bluetooth. View and edit register values, check project information, and access error logs. Manage multiple user accounts with different access levels.

    ★ 4.24 ratingsProductivityFreeData updated 2026-09-06
  1. G-Hr app icon

    G-Hr

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  2. Prime Ministers and Stats app icon

    Prime Ministers and Stats

    Ralph DMello

    Learn PM details offline anytime

    Access detailed information about each Minister including name, birth and death dates, years in office, political party, and country. View statistics summarized by tenure, country, and party. No internet connection required for all data.

    ★ 0.00 ratingsEducation$0.99Data updated 2026-09-11
  3. All-In-One: Calculator app icon

    All-In-One: Calculator

    DREAMCORE SRL

    Calculate, convert, and solve problems

    Perform calculations for arithmetic, percentages, proportions, and unit conversions. Convert currencies, measure areas and volumes. Solve complex equations and basic math problems. Switch between different calculation modes and units effortlessly.

    ★ 5.05 ratingsProductivityFreeData updated 2026-09-06

How we rank alternatives

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