The iTunes App Store offers downloads of several apps for Apple iPhone and iPod touch, iPad, or both iPhone and iPad universally for free, as listed below. At $1 to $2 off, each is at the lowest price we've seen. The deals:

• Blockado Desert for iPhone and iPod touch (pictured): Puzzle game
• That Ain't It! MJ Trivia for iPhone, iPod touch, and iPad: Trivia game
• Discounted for iPhone and iPod touch: Shopping calculator
• KarmaStar for iPhone and iPod touch: Strategy game
• Greedy Spiders for iPhone and iPod touch: Save the bugs game
• Ball Towers HD for iPad: Pinball game