Groupon

Groupon is an iPhone application that lets you buy the daily deal, access your purchased Groupons, find the ones that are nearby, and redeem them electronically.

With this tool, you can discover fun activities and huge discounts in your city. You can check out great deals on things to do from kids activities to nightlife. You can try out new restaurants, spas, massages, and hair salons near you, or plan a trip away from home.