The iTunes App Store offers downloads of several applications for Apple iPhone, iPod touch, or iPad for free, as listed below. At up to $5 off, each is at the lowest price we've seen. The deals:

• Weather Plus for iPhone and iPod touch: Weather tracking tool
• Sparks for iPhone, iPod touch, and iPad: Chat client
• Student Time Tracker for iPhone, iPod touch, and iPad: Time-tracking software
• Whale Trail for iPhone, iPod touch, and iPad: Action game
• Dead Rage: Prologue for iPhone, iPod touch, and iPad (pictured): First-person shooter
• Bag It! for iPhone and iPod touch: Puzzle game
• Runner's Log for iPhone, iPod touch, and iPad: Run-tracking tool