

It offers extremely cheap international call rates with savings of up to 95% compared to landline costs for the same call and up to 70% savings on international SMS rates. IKooza for BlackBerry - iKooza is a mobile VoIP app for the world's immigrant community and international travellers. The app uses your phone's wireless connection to place the call instead of your plan minutes, saving on costs MobileVOIP for BlackBerry - MobileVOIP allows you to make cheap national and international calls from your mobile phone.

IM+ Lite - Award winning instant messenger for BlackBerry to chat within MSN, Yahoo!, Google Talk, AIM, Jabber, ICQ, Facebook, MySpace, Skype and Twitter. The app delivers emergency alerts & notifications, citizen video reports, public relations by video, traffic updates, and local information straight to your mobile phone PortWatch for BlackBerry is a mass notification video messaging service which keeps you and your family safe, notified and always up to date of your surroundings. I won't be throwing away my phone plan anytime soon, but this app does show potential and is particularly attractive for people travelling overseas on business.RIM BlackBerry OS 5.0, RIM BlackBerry OS 6.0, RIM BlackBerry OS 7.0, RIM BlackBerry OS 7.1 Mostly it's buttons that don't do what they're supposed to, but I've also had calls hang without any warning. With both the iPhone and Android version, I've had some major issues with bugs. The most obvious drawback is that if the person you're trying to reach doesn't have access to the internet, the app is pointless. Viber is a great app, but it has its downsides. This has significantly cut down the number of voice minutes I need in my plan, and almost removed the need for texts. I've found the app is best used to keep in touch with a small group of friends with whom I am in regular contact. Viber checks your contact list for other Viber users and gives you the option to dial them from the app. Instead of creating a user name and password, you login straight away with your phone number.

Viber is pretty similar to other VOIP services like Skype or Fring, but the beauty of this app is its simplistic approach to user accounts.
