Apps with 'Audio Chat' feature

  1. Go ahead, video chat with the whole team. In fact, invite everyone you know. Jitsi Meet is a fully encrypted, 100% open source video conferencing solution that you can use all day, every day, for free — with no account needed. What else can you do with Jitsi Meet?
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  2. Conversations is a privacy focused, open source XMPP Texting [Jabber] client for Android 4.0+ smart phones with wife-approved easy encryption [OTR, OMEMO, or GPG].

  3. Blink, a state of the art, easy to use SIP client. You can use it with any SIP provider or its own fully-featured SIP service.
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    • FreeProprietary
    • Android
    • iPhone
    • iPad
    Opentalk App: Have voice conversations around the world to practice language, explore places, explore study options and converse with like minded people from around the world.