Are you interested in finding vetted, age appropriate apps for your child to use on your mobile device? There are several great web sites out there that do just that!
CommonSenseMedia : The website that reviews children's movies, games, books and TV shows also does apps. If you are concerned about content like violence or consumerism, you'll like this website which highlights this information in the "What Parents Need to Know" section.
Best Apps for Kids: This website, developed by a mom, lets you look for apps by age, device, category or education. And they highlight free apps on Friday.
Best Kids Apps: Another site where the reviews are written by moms, this site covers the fun and games as well as the educational. You can narrow your results by platform on this site, which significantly sharpens your search at the start. There's also a link at the home page highlighting the currently popular apps.
The iMums: This is a global review site, with review from moms from all over the world. Reviews of apps for Moms and Dads and for those with Special Needs make this one unique.