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:

• Great Big War Game for iPhone, iPod touch, and iPad: Strategy game
• Hidden Doodles for iPhone, iPod touch, and iPad: Hidden object game
• goodEar Scales for iPhone, iPod touch, and iPad: Ear training software
• Bindle for iPhone, iPod touch, and iPad: PDF creation tool
• OffMaps 2 for iPhone, iPod touch, and iPad: Turn-based navigation tool
• Space Squad for iPhone, iPod touch, and iPad (pictured): Real-time strategy game
• Pocket BMX for iPhone, iPod touch, and iPad: 2D bike-riding game