A free program for iPhone, by Yusuke Horie.

What is Phonto?

Phonto is a simple app that allows you to add text to pictures. You can install other fonts. You can change the font size, color, and gradient. You can also change the stroke and shadow color, and the background color. You can rotate the text. You can change the line spacing and curve. You can also change the text stroke kerning and you can add curved text. You can share your photos on Twitter, Instagram, Facebook, and other social networks.

How do I install fonts?

Using iTunes, you can copy font files between your computer and Phonto on your iOS device.

How do I use Phonto?

You can open the app and start writing. You can also share your photos on Twitter, Instagram, Facebook, and other social networks.