UPDF allows users to add text to a PDF file on iPhone and iPad.

How to Add Text to PDF

• Open a PDF in UPDF by tapping it.
• Tap the Pen tool on the top right.
• In the Pen tool menu, tap the + and select "Text" in the extended menu.
• Double-tap the Text box that appears and input your text.
• Tap outside the box when you’re done - you can now resize or reposition your text.
• Tap "Done" to save your inputs.