The iTunes App Store offers downloads of several apps for Apple iPhone, iPod touch, or iPad for free, as listed below. At up to $3 off, each is the best deal we've seen. The deals:

• Total Recall Game for iPhone, iPod touch, and iPad (pictured): First-person shooter
• Percepto for iPhone, iPod touch, and iPad: Puzzle game
• Unit Converter ∞ for iPhone, iPod touch, and iPad: Measuring unit conversion utility
• Pixlr Express PLUS for iPhone, iPod touch, and iPad: Photo editing tool
• King Oddball for iPhone, iPod touch, and iPad: Physics-based game
• Ghostly Worlds for iPhone, iPod touch, and iPad: Hidden object game
• Amaya Solitaire for iPhone, iPod touch, and iPad: Card game collection