One place I find apps is Smart Apps For Kids. I've signed up for email updates from them, and I get alerts when cool kids' apps become free (iPhone and iPad), or when the site has a cool giveaway (like a recent iPad giveaway, because only losers have a single iPad).
Also, while I'm here, I received from the PBS people free codes for a few PBS iPad apps to review, and my favorite is the new Sid the Science Kid app ("Read & Play").
The app includes coloring books, spot the differences, read-along stories, sing-along videos, jokes, sticker books, and more. And this time, Susie the teacher is a part of the app! Hello, Susie!
Home Screen
Sing Along
Read Along
How? HOW???
Coloring Book
Hi Susie
I got carried away.
You pick stickers from the bottom and drag them to the picture. You can make them bigger or smaller too.
And then you can save your masterpiece to your photo album
Spot the Differences
In the left picture, Susie is not wearing her belt.
Right now, the Sid the Science Kid app costs $2.99 on iPhone and iPod Touch, and $3.99 on iPad. Like I said, I got a free one to review.