textPlus Free Calls - textPlus gives you a phone number for making free and low-cost calls. Call other textPlus users anywhere in the world for free, and make cheap calls to mobile phones and landlines in the US and Canada.
In addition, the app lets you send free SMS to any US or Canadian mobile. Text messaging with other textPlus users worldwide is also free
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
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
Bobsled Calling for iPhone/iPad - Bobsled Calling lets you make free calls to all your friends and family. Talk to any of your Facebook friends and make unlimited calls to any phone in US, Canada, and Puerto Rico.
Bobsled is a new way to communicate, centered around your social circle. This means one-touch calls with or without phone numbers
GlooboVoIP for iPhone - GlooboVoIP is a service which allows you to make free calls to your registered friends (on their smartphone, PC or VoIP phone), and cheap international calls. Just download the app, register in a few seconds and then make your first free call
Vivox - Vivox allows you to easily keep in touch with all your friends using your iPhone or iPod touch. With it, you can make free calls and chat with contacts who also have the app installed.
Vivox can also be used to make low-cost calls to landlines and mobile phones anywhere in the world. Download and install the app to receive free calling credits
Acrobits Softphone for iPhone is a reliable and highly customizable SIP Client for iPhone. It features push notifications, multitasking, Google Voice integration, and more.
Please note that Acrobits Softphone is a SIP Client, not a VoIP service. You must have service with a VoIP provider that supports use on a standard SIP client to use it
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
Talkatone for iPhone/iPad - Talktone is a mobile VoIP solution that complements Google Voice. You can call and text any US and Canada number for free over WiFi or 3G/4G. Talkatone doesn't use cell minutes and there are no SMS fees.
The app also lets you call and text other Talkatone users for free with better quality than other VoIP apps
Wifone - Wifone is a VoIP app for iPhone and iPod touch. It lets you add multiple SIP and IAX2 VoIP providers in order to make cheap calls all over the world.
Wifone supports calls using your phone's WiFi or 3G connection. In addition, you can send SMS via WiFi, 3G or EDGE.
· Multiple SIP and IAX2 accounts
· Codecs: G
