The iTunes App Store offers downloads of several apps for Apple iPhone, iPod touch, and iPad that have dropped in price, as listed below. At up to $5 off, most are at or near the lowest prices we've seen. The deals, with applicable platforms noted:

• EPOCH for iPhone, iPod touch, and iPad for 99 cents ($2 off): Robot combat game
• PipeRoll for iPhone and iPod touch for 99 cents ($1 off): Puzzle game
• PipeRoll 2 Ages for iPhone and iPod touch for 99 cents ($1 off): Puzzle game
• Ghost Ninja: Zombie Beatdown for iPhone and iPod touch for 99 cents ($4 off): Platformer
• Doodle God for iPhone and iPod touch for 99 cents ($1 off): Puzzle game
• Germz for iPhone, iPod touch, and iPad for $1.99 ($2 off): Puzzle game
• Trainz Driver for iPhone, iPod touch, and iPad for $1.99 ($1 off): Train simulator
• Trainz Simulator for iPad for $4.99 ($1 off): Train simulator
• RAVENMARK: Scourge of Estellion for iPhone, iPod touch, and iPad for $4.99 ($5 off): Turn-based