Agora.io is a widely used real-time network that supports real-time video calls, voice chat, and interactive streaming. The platform offers an iOS SDK for developers to integrate high-quality, real-time interaction into their applications. To get a raw audio stream from Agora using the iOS SDK, developers need to create an app with basic views, instantiate the Agora engine, set up permissions, and process audio data. The Agora engine provides a robust platform for various use cases such as livestreaming, voice calls, education, healthcare, and retail. Developers can further enhance their apps by adding features like multiple hosts or user responses, and can leverage Symbl.ai's APIs to provide services like analytics and engagement metrics, real-time transcription, and content moderation.