Viber users text, make HD Quality phone, video calls, send a photo and video messages worldwide over Wifi or 3G – for free. Related: How to FaceTime from Android Phone and Tablet? Viber It can help to chat across devices, make high-quality free calls and video calls across all devices, over 3G, 4G and wi-fi and without using your minutes. Tango App can make free calls, video calls, and send free text messages to Tango users.

With a prepaid charge, this app can use to call international numbers to family and friends in more than 80 countries around the world. With Tango, you can make free calls to the U.S. Related: These Android free calling apps are bypassing your cell provider service with VoIP and allow you to make free calls without any extra charges from your cell provider. The app works over Wi-Fi, 3G and 4G networks. You can also get free text and group messaging, free calls, and free video chat with other Vonage Mobile users worldwide. The calls will initiate with your Google voice number and the calls are absolutely free whether it is mobile or landline number. In addition to free calls, you can send SMS, and voicemail to US phone numbers. If you have US phone number of Google Voice number associated with hangouts will allow you to make free calls to any number US for free of cost. You can call any phone number in the world with this Google Hangouts Calling app for free. Hangouts from Google is an app integrated with your Gmail account and the Android or iPhone that help you to keep in touch with your friends and family. Once you set up this calling app with your phone number, then there is no need to pay roaming charges and you can call from anywhere from this number by using these apps. Please visit this article How To Get A Free US Phone Number to get a free US number for those who don’t have a free US phone number. If you already have a US number you can use this number to set up these apps. Most of these free calling apps are need to configure with a valid US number to make free calls. There is no need to worry about roaming charges or international rates while you use these free calling apps.

With these Android free calling apps, you can make unlimited free calls to US phone number (both cell phone and land phone) from your Android phone. These US call apps let you contact your family when you are out of the country. These Android apps to make free calls to US are a must have for all Android users.

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