You can't change the actual font on your iPhone, but you can change the font size in a couple of different ways, especially if you have iOS 15.

Changing fonts can help you to personalize your device and make it look unique. Some fonts make text easier to read and improve the overall reading experience. You can resize the font size, add new ...

With the Text Size option in Control Center, you can stop squinting at your favorite apps. My title is Senior Features Writer, which is a license to write about absolutely anything if I can connect it ...