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 801–820 of 1,000 ranked alternatives.

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    VAMS

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    ★ 0.00 ratingsUtilitiesFreeData updated 2026-09-06
  1. SimpleScoring IPSC app icon

    SimpleScoring IPSC

    Tomas Kaellsen

    Score stages and save results

    Track scores and save results from practice or matches with friends. Add friends and stages to start scoring. Analyze results with hit factors and score percentages. Share sessions and use multiple devices.

    ★ 5.06 ratingsSportsFreeData updated 2026-09-06
  2. Wire (AWG) Calculator app icon

    Wire (AWG) Calculator

    Neil Rohan

    Calculate gauge for aircraft wiring

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    MoviePro for Business

    Deepak Sharma

    Stream movies and manage subscriptions

    Record videos with pause/resume functionality and time-lapse mode. Capture high-quality footage using iOS camera features. Edit videos with advanced options for trimming, enhancing, and exporting. Share finished videos directly from the .

    ★ 5.07 ratingsBusiness$19.99Data updated 2026-09-06
  4. Teleparty - Watch TV Together app icon

    Teleparty - Watch TV Together

    WP Interactive Media, Inc.

    , chat, and sync playback

    TV with friends by synchronizing video playback across devices. Chat in real-time during streams. Control playback and manage group interactions through the browser extension.

    ★ 0.00 ratingsEntertainmentFreeData updated 2026-09-06
  5. Pixel Tools app icon

    Pixel Tools

    Save The Machine LLC

    Measure pixels, magnify, track mouse

    Allows users to magnify screen areas up to 64x. It measures distances between two points, calculating width, height, and straight line distance. It provides RGB color values and supports Y coordinate measurement in both Cocoa and traditional styles.

    ★ 0.00 ratingsGraphics & Design$4.99Data updated 2026-09-08

How we rank alternatives

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