The iTunes App Store offers downloads of several apps for Apple iPhone, iPod touch, and iPad which have dropped in price, as listed below. At up to $4 off, most are at or near the lowest prices we've seen. The deals, all with applicable platforms noted:

• Color Thief for iPhone, iPod touch, and iPad for 99 cents (pictured, $1 off): Photo manipulation tool
• Broken Sword: Director's Cut for iPhone, iPod touch, and iPad for 99 cents ($3 off): Point-and-click adventure
• Princess Dress-Up: My Sticker Book for iPhone, iPod touch, and iPad for $1.99 ($2 off): Virtual sticker collection
• Eufloria HD for iPhone, iPod touch, and iPad for $2.99 ($2 off): Ambient strategy game
• Caylus for iPhone, iPod touch, and iPad for $2.99 ($2 off): Resource management game
• Neuroshima Hex for iPhone, iPod touch, and iPad for $2.99 ($2 off): Tactical board game
• WolframAlpha for iPhone, iPod touch, and iPad for $2.99 ($1 off): Computational knowledge engine