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 or near the lowest price we've seen. The deals, all with applicable platforms noted:

• iPlan for iPad for 99 cents ($4 off): Event planning tool
• Priority Matrix for iPad for 99 cents ($3 off): Multiproject task management
• Bookworm for iPhone and iPod touch for 99 cents ($2 off): Word find game
• iColorama for iPad for 99 cents ($2 off): Color matching tool
• Sid Meier's Pirates! for iPad for $1.99 ($3 off, picture): High seas adventure
• Gene Effect for iPhone, iPod touch, and iPad for $2.99 ($2 off): Adventure game