This update from Apple will improve the functionality of this app. No new features are included.

New app's icon
Now you can enter numbers up to 11 digits
Updated results' output
Updated app's keyboard

Added Czech and Polish localizations.
Updated interface for iPhone XR.
Updated the results view.

Fixed problem with the Chinese language auto-detection.
Now the app shows the factor used to multiply the corresponding number to get the LCM and the quotient of the given number divided by GCD.

New interface.
General improvements and bug fixes.
More detailed results.
Improved history list.
Sends results via email.
New app icon.
Added 'Undo' for the Clear command.
Added 7 color styles.

A new refreshed look and interface improvements.
Added 6 color schemes.
Supports both portrait and landscape orientation.
Performance improvements.
Calculates the GCD and LCM of 2, 3 and 4 numbers.
Prime factorization in the standard and exponential forms.
Added history list (last 25 results).
Added language support for Turkish, Japanese, Korean, Norwegian, Swedish, and Chinese.