| If you are a proud owner of an iPhone or iPod touch | | | | This is similar to the service provided by RingPlus to |
| you are now able to make calls for free to anyone in | | | | make international calls. RingPlus however, restricted |
| USA using your Wi-Fi or 3G connection. Apple has | | | | their service to only those who had some credit in their |
| approved Whistle Phone application and thus can be | | | | accounts. That was a major deal killer as they only |
| downloaded on your device from App Store. You | | | | provided you certain free minutes and after that gets |
| need to create an account with them and then you | | | | over they will charge you from your balance. Whistle |
| are all set to make free calls. | | | | Phone, on the other hand does not charge you unless |
| There will be an ad of around 15 seconds before any | | | | and until you make cheap international calls at |
| of your calls get connected but that is how they are | | | | competitive prices compared with players like skype. |
| able to support free calling anywhere in USA. If you do | | | | Another analogy to this is iCall which lets you make 5 |
| not want to listen to ads before making calls you need | | | | minutes long calls after an ad of 30 seconds before |
| to have some balance in your Whistle Phone account. | | | | your call. Whistle Phone stands better than iCall too |
| You can now opt for a cheaper plan with lowest | | | | because the ad duration is less and the call will not get |
| minutes with your provider and use Whistle Phone for | | | | disconnected after 5 minutes. |
| your local and long distance calling needs within USA. | | | | |