This week in children's apps features Not Without Bear, a story about Audrey's search for her best friend, Bear, after he goes missing at bedtime. The Amazing Spider-Man: An Origin Story tells the tale of how Peter Parker came to be Spider-Man. And 12 Days of Christmas adds an interactive take on the holiday classic, letting users share videos of themselves singing along.

Title: Not Without Bear

Publisher: appropo llc

Release date: November 12, 2011

Price: $3.99

Background: Ride the wild ponies, travel around the world, and find the lost children. Audrey always plays her favorite games with her best friend, Bear. But when bedtime comes and Bear is nowhere to be found, she must find him.

Features: Toy baskets spill, pillows move, quilts lift, cupboards open, revealing more parts of the story. Sound effects, touch to hear individual words.

Title: The Amazing Spider-Man: An Origin Story

Publisher: Disney Publishing

Release date: November 28, 2011

Price: $6.99

Background: Peter Parker is bitten by a radioactive spider and given sensational abilities. But when tragedy strikes Peter's Uncle Ben, Peter vows to use his newfound abilities to help mankind as Spider-Man.

Features: Narrated by Stan Lee; interactive story-themed spider-games throughout, such as swinging through the city and using web-shooters to stop burglars; secret spider hunt to win your very own "no-prize."

Title: 12 Days of Christmas

Publisher: Polk Street Press

Release date: December 5, 2011

Price: $1.99

Background: Create your own Christmas videos as you sing along to this original arrangement of a holiday classic. Play along to practice counting down from 12 as you discover each gift from your true love.

Features: Artwork by Lesley Breen Withrow, Animation and an original musical arrangement, record video while singing along and share with family and friends.