I use differ Message Apps in iPhone and MacBook Pro: WhatsApp, Skype and FaceBook.

1.WhatsApp

1.1. Create and Send voice Messages
How to send voice messages?
https://faq.whatsapp.com/android/chats/how-to-send-voice-messages/?lang=en

1.2. Listening faster the received Voice Message
Fast Playback for voice messages?
https://indianexpress.com/article/technology/social/whatsapp-fast-playback-for-voice-messages-what-it-is-and-how-to-use-it-7346534/

2. Skype app similar to WhahApp
3. Facebook Messager similar to WhatApp