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.
Primality screenshots
Ranked alternatives
Showing 481–500 of 1,000 ranked alternatives.

IntCalc
James Preston
Calculate in any number base
An RPN calculator with stack display and base conversion. Users can switch between binary, octal, decimal, and hexadecimal modes. Each stack element can be viewed in any base or as ASCII.





Smart Remote Control for TV.
Voyage Cabin Pty Ltd
Your TV with your device
Your TV, LG TV, Hisense TV, Fire TV, or Roku TV remotely using an iPhone or iPad. Adjust volume, change channels, and navigate menus. Access shortcuts for frequently used functions.

RPN-65 Pro
Willy Kunz
Simulate HP-65 calculator on iPad
Simulate a programmable calculator with magnetic card input. Run original HP-65 programs. View detailed manuals and technical specifications. Adjust calculator settings and interface layouts. Export calculations and program data.





CounTik - Count anything
masayoshi onuki
Items, track inventory, manage time
Track and manage counts for various purposes like inventory, time management, and game results. Create categories and sub-counters to organize different types of data. Log and update counts manually or through scheduled intervals.

Satellite map AR SatFinder 3D
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Align dishes for optimal signal
3D helps align dishes for better signal reception. Users select a from a list, enable AR mode, and choose dish type. The displays a 3D model showing dish orientation and signal path.

GCTools iOS4 - the geocaching tool collection for iOS 4!
Achim Heynen
Geocaching tools for older devices.
The app provides tools for geocaching, including coordinate guidance, projection, and distance calculations. It also offers various encoding and decoding tools, interactive data tables, and unit converters for different measurements.


Modbus Commander
Andrew Webb
Send messages and view hex responses
Send TCP messages to any server with a single click. View request and response data in native hex format. Validate connectivity, troubleshoot devices, and demonstrate operations.

How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.