If you want to experiment with your iPhone or try something new, here's how to add another keyboard. On your iPhone, launch the Settings app. Tap General > Keyboard. In the upper-portion of the ...

By touching and holding the spacebar, you can turn your iPhone's keyboard into a trackpad that helps you place the insertion point with much higher accuracy, like the keyboard trackpad of a MacBook.

5. Update Your Keyboard's Dictionary If you decide not to disable Auto-Correction and Check Spelling, you can add words and phrases to your keyboard’s dictionary so they won’t be flagged.

These best alternative keyboard apps for iOS, and how to switch between keyboards on an iPhone.