Text Event Pics - Text a number to store and share photos together
Milofy - Socialize with other like-minded couples
Party with a Local - Party with a Local is a free app that connects travelers with locals that want to party.
Cheers - Meet amazing people by sharing a toast with them
Let's Meetup - An easy way to share POIs and addresses in iMessage
MinglePic - Share your event photos with everyone at the party