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 $9 off, each is at or near the lowest price we've seen. The deals, all with applicable platforms noted:

• Grooh for iPhone, iPod touch, and iPad for 99 cents ($1 off): Puzzle game
• Ski Solitaire for iPad for 99 cents ($2 off): Solitaire game
• Audubon Insects and Spiders for iPhone, iPod touch, and iPad for 99 cents ($4 off): Field guide
• DreamWorks Dragons: TapDragonDrop for iPhone, iPod touch, and iPad for 99 cents ($1 off): Adventure game
• Sentinel 3: Homeworld for iPhone, iPod touch, and iPad for 99 cents (pictured, $2 off): Tower defense game
• Superbrothers: Sword & Sworcery EP Micro for iPhone and iPod touch for 99 cents ($2 off): Adventure game