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:

• Timtom for iPhone and iPod touch: Graphic art story
• Secret Lab for iPhone and iPod touch: Government experiment simulator
• Re-Find for iPhone, iPod touch, and iPad (pictured): Visual acuity tester
• World Heritage Canada for iPhone, iPod touch, and iPad: Canadian history tool
• Kickers for iPhone and iPod touch: Response time game
• BrainFeud for iPhone and iPod touch: Trivia testing game
• Make My Day Adventure for iPhone, iPod touch, and iPad: Choose-your-own-adventure game