Gowalla for iPhone is a social app from some fine folks in Austin, TX that allows you to check-in to locations, see where your friends are checking-in, collect items and complete trips.
For those of you not familiar with the whole "check-in" craze, the idea is you travel around town, land at a "spot" such as the movie theater, gas station or restaurant, and then tap the Check-in button. When you do this a couple things happen:
- Post to Twitter and Facebook
- Add a photo
- Add a quick post
- Leave an item