The iTunes App Store offers downloads of several applications for Apple iPhone / iPod touch or iPad for free, as listed below. At $1 to $10 off, each is at the lowest price we've seen. The deals, all universal apps unless otherwise noted:

• C.H.A.O.S (pictured, $10 off): Multiplayer combat helicopter simulator
• iKungFu Master for iPhone ($2 off): Action adventure game
• Doodle Plane ($1 off): Plane arcade game
• iFish Cartoon for iPhone ($1 off): Fish catching game
• Gosar: Episode One for iPad ($1 off): Accelerometer action game