The iTunes App Store offers downloads of several apps for Apple iPhone, iPod touch, or iPad for free, as listed below. At up to $4 off, each is the best deal we've seen. The deals:

• Tiny Troopers for iPhone, iPod touch, and iPad: Tower defense game
• Mr.M’s Code of Murder: The Byzantine Assassin for iPhone, iPod touch, and iPad: Logic game
• Chimpact for iPhone, iPod touch, and iPad (pictured): Doodle jump-type game
• Nagoya Travel Map for iPhone, iPod touch, and iPad: Japanese travel guide
• Ita for iPhone, iPod touch, and iPad: To-do list creation tool
• Totem Runner for iPhone, iPod touch, and iPad: Endless running game
• Asphalt 7: Heat for iPhone, iPod touch, and iPad: Racing game