Tandem is a community application for learning languages. It is very similar to HelloTalk.
You pair with people, you teach them your language and they teach you theirs. The application supports voice and video calls along with picture, text and audio messages. It is compatible with more than 150 languages. Therefore, it should not be difficult to find a pair.
Tandem even offers professional tutors. You can also choose the topic you want to study more on a given day. It works best as a secondary learning source very similar to HelloTalk.
Download Tandem for iOS
Download Tandem for Android