Can I change font style on iPhone?

After you download an app containing fonts from the App Store, open the app to install the fonts. To manage installed fonts, go to Settings > General, then tap ...

Install and manage fonts on iPhone

Paws1945 wrote:

How do I change the style of font for my apps, websites and and text messages without having to pay a monthyly fee?

There are no options yet.

ios 18 released this week adds some of these features to the Messages app: