Question: Can you recommend a cost-effective solution for adding audio/video conferencing to my social network app?

If you're trying to find a low-cost way to add audio/video conferencing to your social network app, Tencent RTC is a good option. It lets developers add video calls, voice calls, chat and conference APIs/SDKs to web and mobile apps. The service works on a variety of platforms, including iOS, Android, Windows, macOS and many others. With UIKits, live streaming and chat API, Tencent RTC is designed for high availability and stability, with the ability to handle tens of millions of concurrent requests. It has flexible pricing, including a free trial and pay-as-you-go option, with discounts for startups.

Another option is ZEGOCLOUD, which offers APIs and SDKs for adding real-time voice, video and chat to mobile and web apps. It works with multiple programming languages and frameworks and offers features like video conferencing, voice chat and live streaming. ZEGOCLOUD is designed for high availability, scalability and low latency, making it suitable for social and education industries. The service uses a pay-as-you-go pricing model with a pricing calculator and custom plans, so you can choose the best option for your needs.

Whereby offers a scalable and customizable video calling solution that can be easily embedded into web and app products. It supports a wide range of use cases, including Telehealth, Digital Mental Health, Coaching, and eLearning. With features like pre-built UI, full customization, and secure infrastructure, Whereby helps increase user engagement and trust. The platform offers various pricing plans, including free and business options, catering to different tiers of development and deployment.

For a robust and scalable solution, consider Agora. Agora offers APIs and SDKs for adding interactive voice and video capabilities to apps. It supports multiple platforms and offers high-quality voice calling, real-time video chat, and interactive live streaming. Agora's customizable SDKs and advanced features like AI Noise Suppression and 3D Spatial Audio make it suitable for social, gaming, education, and other industries. This platform aims to enhance user engagement through high-quality, low-latency interactions.