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

• LifeNote: Notetaking tool
• Peak Gold HD: Puzzle game
• CalculatorZ: Math calculation tool
• Demon Cam: Face morphing tool
• Sprinkle: Physics-based puzzle game
• Wizard Hex: Puzzle game
• Rogue Sky: Accelerometer-based game