Below are downloads of several free applications available for a limited time from Apple's App Store, with price drops from $1 to $3. The apps:

• i-TetraVex: Edge-matching puzzle game
• Cows In Space: Puzzle game
• World Surfer (pictured) : Location-based information searching
• HandWriting Mail: Handwriting recognition
• ShapeUp Club: Calorie Tracker: Group-based weight loss assistant
• Sign Here: Legal document creation
• Writie Talkie : Walkie Talkie + Text Messenger: Voice and text chat over Bluetooth or Wifi
• Photo Notes: Thought bubble generator