- The iPhone version of Readdle's PDF reader app gets benefits from the iPad version, including annotation, the ability to fill out forms, sync via Dropbox, iDisk, Google Docs, and FTP/SFTP. $10.

- A new $1 iPhone app lets owners of the iPad 2, the iPhone 4, or the fourth-generation iPod touch simultaneously snap a picture with both cameras and them post them to Twitter.

- This $1 interactive story app, based on the Disney movie, features four digital jigsaw puzzles, the ability to record and playback your child's voice while reading, and three different reading modes.