The iTunes App Store offers downloads of several apps for Apple iPhone, iPod touch, or iPad for free, as listed below. At $1 to $2 off, each is at the lowest price we've seen. The deals, all with applicable platforms noted:

• Ballistix for iPhone / iPod touch: Arcade game
• Mia Mexican for iPhone / iPod touch: Dice game
• Best Photo Safe for iPhone / iPod touch: Photo organization app
• Slam Dunk King for iPhone / iPad: Basketball game
• VidRhythm for iPhone / iPad: Music app
• Glass Tower 3 for iPhone / iPad (pictured): Block puzzle game