Best 2 Tools for In-App Screen Sharing in 2026
Last Updated: October 1, 2025
Letting users share their screen directly within an app requires specific technical capabilities to implement well. In-App Screen Sharing tools provide the infrastructure to add screen sharing to a product.
Developers use screen sharing tools to add this feature without building the underlying technology from scratch.
Tencent RTC
Tencent RTCReal-Time Video, Voice & Chat APIs for Apps and 
Agora Video
Agora VideoReal-Time Voice & Video APIs for Developers are the best for In-App Screen Sharing. So, let’s take a closer look at both tools.
Tencent RTC is a comprehensive real-time communication platform that gives developers powerful tools to build interactive audio and video experiences. It offers SDKs and APIs that work across all platforms, making it easy to add features like video calling, voice chat, live streaming, and instant messaging to any application.
The platform handles complex technical challenges like network optimization, audio processing, and video encoding automatically. This means developers can focus on building great user experiences instead of worrying about technical details. It supports everything from simple one-on-one video calls to massive live streaming events with thousands of viewers.
With built-in features like beauty filters, screen sharing, recording, and AI-powered noise reduction, Tencent RTC provides enterprise-grade communication tools that scale from small startups to large businesses serving millions of users.
Agora is a Platform-as-a-Service (PaaS) that provides real-time communication APIs for developers. Instead of building video calling or live streaming technology from scratch, developers can use Agora's ready-made tools to add these features to their apps quickly.
The platform offers SDKs (software development kits) for most programming languages and devices, including mobile apps, websites, and desktop applications. Agora's main strength is its global network called SD-RTN (Software-Defined Real-time Network), which automatically finds the best path for audio and video data to travel between users.
Key products include Video Calling APIs, Interactive Live Streaming, Voice Calling, Cloud Recording, and AI-powered features like noise reduction. The platform also provides analytics tools to monitor call quality and usage. Agora is publicly traded on NASDAQ under the symbol "API."