Treat your iPhone screen like a window: blow air on your iPhone and watch as the screen fogs up. Then use your finger to write messages, sketch, and even play tic-tac-toe. Just like a real window on a cold winter day!

Shake your iPhone to clear all fog and writing!

Write secret messages: use your finger to write on the screen and then hand the iPhone to your buddy/hot date. Ask her to blow on the mic (located at the bottom right corner of the iPhone), and watch as the screen gradually becomes fogged up until the secret message magically appears!

Sketch, write, doodle, and play: Blow on the mic, fog up the screen, and use your finger to write notes to yourself, doodle or sketch, and even play a game of MASH or Tic-Tac-Toe! Whatever you'd do on a window on a cold winter day, you can now do on your iPhone.

Change backgrounds: Switch between our themed, pre-loaded backgrounds, your own photos stored on the iPhone, or take a new picture and use it as a background.

Share: use iFog to share fogged up messages using our email functionality! Just write something on your fogged up screen and select 'email' from the main menu.

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