Here's a list of all the app ideas which have been tagged with the utility tag:

Cover shot
2 votes
An application that would help you tune the piano.
- jdoe - over a month ago
1 feature, 1 mockup
Cover shot
0 votes
An app that helps keep track of dogs to walk and how far you've walked them.
- jimmy102 - over a month ago
4 features, 1 mockup