iPhone users are happier and more loyal than Android owners (infographic)

Almost all smartphone users are happy with their phones, according to a new survey by Skype competitor Rebtel. But, sort of like the pigs in George Orwell's Animal Farm, some users are more happy than others.

U.S. smartphone users spend $37.8B annually on international calls, says Rebtel

While consumers are flocking to services like Skype to chat with friends and family internationally for free, there's still a huge market for international calling, according to the latest survey sponsored by the voice-over-IP company Rebtel.

Rebtel’s VoIP app hits the iPad, now over 17M users strong

Building on its voice-over-IP calling empire, Rebtel announced today that its VoIP app is now available for the iPad.

Rebtel has become a popular solution for consumers who want to make cheap phone calls — the company revealed today that …

How to attract users to your app and go platinum

If you are a struggling artist or developer working on the next great mobile app, you need a strategy for drawing in users. Keep in mind that buying traffic to convert to users doesn’t always add up. Developing for the mobile platform is vastly different from e-commerce, where the potential average revenue per user (ARPU) is considerably smaller, and in many cases non-existent. At the same time, there’s a limited amount of advertising inventory, and discoverability remains poor...

500M cheap VoIP calls propel Rebtel to 15M users

Rebtel, the second-largest voice-over IP calling company behind Skype, announced major milestones today that prove consumers just can’t get enough of cheap phone calls.

The company says that it has surpassed 15 million connected users (it’s unclear how many of …

Rebtel’s Voice-over-IP app hops between data/voice networks, a first

Voice-over-IP company Rebtel announced version 2.0 of its iPhone app today, and it sports a unique feature: the ability to easily move between WiFi/data networks and voice networks during VoIP calls.

The network-hopping feature, dubbed KeepTalking, allows VoIP callers to …