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 941–960 of 1,000 ranked alternatives.

  1. LottoScope app icon

    LottoScope

    PhantomBuild OU

    Check lottery results and track draws

    Check lottery results in real time and access historical data for past draws. View number frequency statistics and analyze trends. Update results automatically and browse a growing list of international lotteries.

    ★ 0.00 ratingsUtilitiesFreeData updated 2026-09-06
  2. Aquajet Systems app icon

    Aquajet Systems

    Aquajet Systems AktieBolag

    Calculate pressure and nozzle performance

    Calculate nozzle sizes based on pressure and flow. Determine pressure from nozzle size and flow. Compute flow from nozzle size and pressure. Visualize nozzles and power heads in 3D. Input single nozzle parameters for accurate results.

    ★ 0.00 ratingsUtilitiesFreeData updated 2026-09-08
  3. SKEV40 app icon

    SKEV40

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    ★ 0.00 ratingsUtilitiesFreeData updated 2026-09-06
  4. Desktop Blurrifier app icon

    Desktop Blurrifier

    Chris Paveglio

    Make desktop icons easier to see.

    The app applies a gaussian blur to desktop pictures to make icons more visible. Users can also adjust image scaling, saturation, exposure, colorization, and position.

    ★ 0.00 ratingsUtilities$4.99Data updated 2026-09-27
  5. Centrifugal Pump Spec app icon

    Centrifugal Pump Spec

    Muralidhar Shenoy

    Determine pump design for energy savings

    The app helps determine centrifugal pump design specifications for energy savings. It computes system head, NPSHA, and sizing for various liquids and temperatures, aiding engineers in selecting the right pump for optimal performance.

    ★ 0.00 ratingsUtilities$5.99Data updated 2026-09-24
  6. AgilCheck Lite app icon

    AgilCheck Lite

    AGILQUALIT & ATTESTY TECNOLOGIA DA INFORMACAO LTDA

    ★ 0.00 ratingsProductivityFreeData updated 2026-09-06

How we rank alternatives

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