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 $2 off, each is at the lowest price we've seen. The deals, all with applicable platforms noted:

• Genius Scan+ - PDF Scanner for iPhone, iPod touch, and iPad for free ($2 off): Scanning utility
• Plants vs. Zombies for iPhone, iPod touch, and iPad for 99 cents (pictured, $2 off): Strategy game
• Swingworm for iPhone, iPod touch, and iPad for 99 cents ($2 off): Physics-based game
• Nightstand Central for iPhone, iPod touch, and iPad for 99 cents ($1 off): Bedside utility
• Solitaire King for iPhone, iPod touch, and iPad for 99 cents ($1 off): Solitaire game
• TextBomb for iPhone, iPod touch, and iPad for $1.99 ($1 off): Mass texting utility