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 $3 off, most are at or near the lowest prices we've seen. The deals, all with applicable platforms noted:

• Spyglass for iPhone, iPod touch, and iPad for 99 cents ($3 off): Navigation tool
• Daedalus Touch for iPhone, iPod touch, and iPad for 99 cents (pictured, $4 off): Text editing tool
• Household Estimate for iPhone, iPod touch, and iPad for 99 cents ($2 off): Accounting tool
• Birthday Party Planner for iPhone, iPod touch, and iPad for 99 cents ($1 off): Planning assistant
• Cleaning Checklist for iPhone, iPod touch, and iPad for 99 cents ($1 off): To-do list
• iFiles for iPhone, iPod touch, and iPad for 99 cents ($3 off): File manager, document viewer
• AirTycoon Online for iPhone, iPod touch, and iPad for 99 cents ($1 off): Turn-based management game