I have used both, and I still with Meebo. I tried eBuddy, and I liked the interface more, but I noticed that it kills my battery. I stay signed into 3 accounts on Meebo all day, and my battery lasts all day while using the app to talk to multiple people. However, I have noticed that Meebo doesn't always seemlessly switch from 3G to WiFi. Sometimes when I switch over when I get home, it signs me out.