Spice up your snapshots with the help of these extraordinarily fun photo apps.

MyRealFont for iPhone is both practical and popular, having been downloaded nearly 1 million times since October. Best of all, the app is free.

The Font Game is a (seriously) challenging way to educate yourself about the various typesets and terminologies used in the complex world of typography.

FontSwap is a recently updated jailbreak tweak that allows users to swap the system fonts on their iDevice with alternate ones. The latest version of the app (2.0.3) provides improved support for iOS 4.3, and some minor tweaks and improvements.