The iTunes App Store offers downloads of apps for Apple iPhone, iPod touch, or iPad starting at free, as listed below. Each is the best price we could find. The deals:

• Hurricane Tracker for iPad: for free ($4 off, weather app)
• Dudeski for iPhone, iPod touch, and iPad: for free ($2 off, skiing game)
• Super Mega Worm Vs Santa for iPhone, iPod touch, and iPad: for free ($1 off, action game)
• Infinity Blade II for iPhone, iPod touch, and iPad: for 99 cents (pictured, $6 off, puzzle game)
• The Shadow Sun for iPhone, iPod touch, and iPad: for $2.99 ($5 off, "dark" RPG)
• Machinarium for iPhone, iPod touch, and iPad: for $2.99 ($2 off, adventure game)
• Pinnacle Studio for iPad: for $7.99 ($5 off, film editor)