AppYonder

isPrime?

Omer Faruk Mesebuken

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Get it free on the App StoreOpens Apple's App Store

Screenshots

About this app

It's a fast prime number checker.

What's new

Version 1.2 · Oct 24, 2026

Improved layouts for changing screen sizes. Circular number buttons and a better-proportioned delete icon make the keypad clearer and easier to use. The app icon now includes light, dark, clear and tinted appearances.

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