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

• Drop The Box for iPhone, iPod touch, and iPad for 99 cents ($1 off): Physics-based game
• Njoy TimeTable Pro for iPhone and iPod touch for 99 cents ($1 off): Time management tool
• Barney for iPhone, iPod touch, and iPad for 99 cents ($4 off): Tower defense game
• Gift Plan for iPhone and iPod touch for 99 cents ($2 off): Gift information storage and tracking
• Pocket Warriors for iPhone and iPod touch for 99 cents ($2 off): Action adventure game
• Logo Maker for iPhone, iPod touch, and iPad for $1.99 ($1 off): Logo creation tool
• Blade of Darkness for iPhone, iPod touch, and iPad for $2.99 (pictured, $3 off): Role-playing game