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:

• Color Effects+ for iPhone, iPod touch, and iPad: Colorizing tool
• Monster Truck Destruction for iPhone, iPod touch, and iPad: Driving simulation
• Bookworm for iPhone, iPod touch, and iPad (pictured): Word puzzle game
• Camera Pro Effects for iPhone, iPod touch, and iPad: Photo-stylizing tool
• Path on for iPhone, iPod touch, and iPad: Text art tool
• Multi Notes for iPhone, iPod touch, and iPad: Note-taking tool
• Shellrazer for iPhone, iPod touch, and iPad: Side-scrolling shooter