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 $6 off, each is at or near the lowest price we've seen. The deals, all with applicable platforms noted:

• Skeleton System Pro III for iPhone and iPod touch for 99 cents ($5 off): Medical study tool
• Amazon: Hidden Expedition for iPhone, and iPod touch for 99 cents ($2 off): Hidden object game
• Fireball SE for iPhone, iPod touch, and iPad for 99 cents ($1 off): Puzzle game
• Ballistic SE for iPhone, iPod touch, and iPad for 99 cents ($1 off): Action game
• RPG Alphadia for iPhone and iPod touch for 99 cents ($6 off): Role-playing game
• Fruit Ninja: Puss in Boots HD for iPad for 99 cents (pictured, $1 off): Reaction-time game