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:

• Dinosaur Letters for iPhone, iPod touch, and iPad: Children's learning tool
• Toca Builders for iPhone, iPod touch, and iPad: Building game
• Task for iPhone, iPod touch, and iPad`: Task management tool
• Hollow Words for iPhone, iPod touch, and iPad: Word game
• Tesla Toy for iPhone, iPod touch, and iPad: Interactive particle simulator
• Calculator 2.0 for iPhone, iPod touch, and iPad: Number calculating tool
• TICK TALK Party Game for iPhone, iPod touch, and iPad: Word-guessing game