Question: I'm looking for a platform that allows me to integrate real-time voice and video features into my app for more engaging user interactions.

If you want to build your app with real-time voice and video so users can interact with each other, Agora is a good option. The company's technology lets developers add voice and video chat to their apps, with features like high-quality voice calling, real-time video chat and interactive live streaming. Agora offers customizable SDKs for Android, iOS, Windows, Web and other platforms, and offers features like AI Noise Suppression and 3D Spatial Audio to keep users engaged.

Another option is ZEGOCLOUD, which offers APIs and SDKs to add real-time voice, video and chat to mobile and web apps. It's used in social, education, telehealth and fitness apps, with features like video conferencing, voice chat, live streaming and cloud recording. ZEGOCLOUD is designed for high availability and scalability, with support for many programming languages and frameworks, so it's a good option for developers.

If you're building a very large real-time voice and video app, Daily has a full-featured platform that can handle up to 100,000 simultaneous participants. It also offers high-definition recording, compositing and streaming, enterprise analytics and HIPAA compliance. Daily's global mesh network is designed for low latency, and it's good for high-pressure situations like live events and telehealth.

Last, Tencent RTC is a powerful real-time communication platform with tools for video and voice calls, chat and live streaming. It works on multiple platforms and is designed for large-scale apps, with features like conference SDKs and rich chat APIs. Tencent RTC is designed for high availability and stability, so it's a good choice if you want to add real-time communication to web and mobile apps.