Jumblo for iPhone - Jumblo allows you to make cheap calls from your mobile phone. The app uses your phone's wireless connection to place the call instead of your plan minutes, saving on costs.
Jumblo works anywhere there is a 3G, WiFi, GPRS, Edge or UMTS connection available
Media5-fone for iPhone - The Media5-fone is a softphone application for iPhone, iPod Touch and iPad. It is a SIP Client which enables users to make and receive VoIP calls. VoIP calls are calls established over a Wi-Fi or 3G connection using the IP technology of the Media5-fone
Media5-fone Pro for iPhone - The Media5-fone is a softphone application for iPhone, iPod Touch and iPad. It is a SIP Client which enables users to make and receive VoIP calls. VoIP calls are calls established over a Wi-Fi or 3G connection using the IP technology of the Media5-fone
MobileVOIP is a free iPhone calling app which lets you make (free) national or international voip calls directly from your iPhone. You can save on your Mobile Phone costs by simply installing the MobileVoip app. Select any contact from your contact list which is accessible in the app and start your call using MobileVoip anywhere, anytime
PennyTalk Mobile (iPhone) - Make cheap calls around the world with PennyTalk Mobile. With rates as low as 1¢ a minute, you can call internationally for a fraction of what your mobile carrier might charge. There is no connection fee for calls made using the PennyTalk Mobile app
Rebtel for iPhone/iPad - Make free calls to other Rebtel users and cheap calls to everyone else. Connect with WiFi, 3G or use your local minutes to make Rebtel calls.
The app is free to download and easy to use - it's just like your normal phone but with free calls and super cheap international rates. Reduce the cost of your international calls by up to 98%
Rynga for iPhone - Rynga allows you to make cheap calls from your mobile phone. The app uses your phone's wireless connection to place the call instead of your plan minutes, saving on costs. Calls to other Rynga users are free.
Rynga works anywhere there is a WiFi, 3G or GPRS connection available
With S-unno, you can use your iPhone or iPad to make phone calls to any fixed or mobile number in more than 200 countries at absolutely low rates. Rates start from as low as US 2cents/minute. S-unno uses your 3G or WiFi connection to place these calls so that you can start saving now
Scydo for iPhone - Scydo allows you to make free calls and chat with other Scydo users via your phone's 3G or WiFi connection. You can use the app to call all your friends and family anywhere in the world for free as long as they also have the application installed on their iPhone or Android. You can also make cheap calls to non-Scydo contacts
