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:

• Fireworks! for iPhone, iPod touch, and iPad for 99 cents ($1 off): Firework simulator
• Combo Crew for iPhone, iPod touch, and iPad for 99 cents ($1 off): Side-scrolling beat 'em up
• CaptureAudio for iPhone, iPod touch, and iPad for 99 cents ($2 off): Audio recording tool
• Aquamarine HD for iPhone, iPod touch, and iPad for 99 cents ($1 off): Adventure game
• Cardshark Brain for iPhone, iPod touch, and iPad for 99 cents ($1 off): Card-counting tool
• WEB To PDF for iPhone, iPod touch, and iPad for $1.99 ($2 off): Web content storage tool