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:

• Grungetastic for iPhone and iPod touch: Photo stylizing software
• Sam & Max Beyond Time and Space Ep 1 for iPhone, iPod touch, and iPad: Adventure game
• Screenshot Journal for iPhone, iPod touch, and iPad: iOS mockup development tool
• Fotor - CameraBag for iPhone and iPod touch: Camera and photo editing
• Pixel Breaker for iPhone, iPod touch, and iPad: Brick breaker-type game
• Click and Gun for iPhone, iPod touch, and iPad: Action game
• Cat Physics for iPhone, iPod touch, and iPad (pictured): Physics-based game