The iTunes App Store offers downloads of several applications for Apple iPhone and iPod touch for free, as listed below. At up to $4 off, each is at the lowest price we've seen. The deals:

• Symple Symptom Tracker for iPhone, iPod touch, and iPad: Health-tracking tool
• I Am T-Pain 2.0 for iPhone, iPod touch, and iPad: (pictured) Autotuner
• DRAW: The Showdown for iPhone and iPad: Reaction-time game
• Block Knight! for iPhone, iPod touch, and iPad: Puzzle game
• Cave Bowling for iPhone, iPod touch, and iPad: Bowling game
• Finger Gravity for iPhone, iPod touch, and iPad: Puzzle game
• PolyMagic for iPhone and iPad: Photo combination tool
• Arcade Jumper for iPhone and iPad: Action game