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 $14 off, each is at or near the lowest price we've seen. The deals, all with applicable platforms noted:

• iBird Explorer PRO for iPhone and iPad for 99 cents (pictured, $14 off): Birdwatching assistant
• Top Camera for iPhone and iPod touch for 99 cents ($2 off): Photo-capture utility
• Toy Defense HD for iPad for 99 cents ($2 off): Tower defense game
• Beyond Ynth HD for iPad for 99 cents ($2 off): Adventure game
• Signatures for iPhone and iPod touch for 99 cents ($2 off): E-mail sylizing software
• Audio Guide - Van Gogh Gallery for iPhone and iPad for $1.99 ($1 off): Audio-guided viewing assistant