The iTunes App Store offers downloads of several applications for Apple iPhone, iPod touch, or iPad for free, as listed below. At up to $5 off, each is at the lowest price we've seen. The deals:

AstroWings3: Icarus for iPhone, iPod touch, and iPad: Arcade shooting game
Diner Dash: Grilling Green Deluxe for iPad (pictured): Cooking game
TheEndApp for iPhone, iPod touch, and iPad: Survival game