Here are 6 best video chatting apps for your iPhone and iPad that let you easily video chat with your friends. Most of them are cross-platform apps, so even if your friend doesn't have iOS devices, you can chat with them using these apps.
1. WhatsApp Messenger ( iPhone )WhatsApp is the most popular instant messaging app in the world. WhatsApp comes with video calling feature, you can video chat with your friends easily and for free using WhatsApp. As you know, WhatsApp is a cross-platform chatting application, you can video call to your friend, even if they're not using iPhone. WhatsApp is available for iPhone, Android and Windows Phone.
2. Tango Text, Voice & Video ( iPhone & iPad )Video & phone calls & messages are free, No login & password, Tango supports group chat, you can group chat with up to 50 friends. It can automatically find your friends who are using Tango, You can also share photos during a call and personalize your calls & messages with fun animations. Available for- iPhone, iPad, Android, Windows Phone and Windows PC.
3. WeChat ( iPhone )With WeChat you can send voice messages, video calls, photos, and text messages for free, and get incoming message alerts instantly with push notifications. You can also share, like and comments on photos with your friends. WeChat is available for iPhone, Android, BlackBerry, Windows Phone and Nokia Mobiles.
4. Skype for iPhone ( iPhone )This is the official app of the most popular video calling service, Skype. Skype app lets you video and voice call, send instant messages (video, voice and text), share photos, call any mobile or landline number. Skype is available for iOS, Android, Mac, Windows, Windows Phone, Window 8 RT, Linux, Kindle Fire HD, BlackBerry and other platforms.
5. Hangouts ( iPhone & iPad )The official Google+ Hangouts iPhone app allows you to make video calls with up to 10 friends. With this app, you can access all features of Google+ Hangouts from iPhone with your Google account. Google Hangouts is available for iPhone, iPad, Android and Chrome.
6. Google Duo - Video Calling ( iPhone )
If you are looking for an one to one reliable, encrypted and easy to use video calling app for your iPhone, you should use Google Duo. This is one of the most simplest HD video calling apps for Android mobiles and iPhones that let you video call for free without any cost. You can call any of your contacts on Google Duo, just like WhatsApp.