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Getting Started
Guides and answers for streaming everywhere at once.
How to Multistream from Your Phone: iPhone & Android (2026)
Learn how to multistream from your phone to YouTube, Twitch, TikTok, and more at the same time — free, on iPhone and Android, no computer needed.
Read article →How to Multistream: The Complete Guide (2026)
The complete 2026 guide to multistreaming: what it is, the three ways to do it (phone app, cloud relay, OBS), honest pros and cons of each, setup steps, and FAQs.
Read article →What Is Multistreaming? (Definition + FAQ)
Multistreaming definition: broadcasting one live stream to multiple platforms at the same time. How it works, what you need, whether it's free, and how phone-first multistreaming differs — with FAQ.
Read article →What Is RTMP? Stream Keys and Server URLs Explained
RTMP, stream keys, and server URLs sound technical, but the idea is simple. A plain-language explanation of how live video gets from your phone to YouTube, TikTok, and Twitch.
Read article →What Is Multistreaming? A Beginner's Guide
Multistreaming means broadcasting live to YouTube, Twitch, TikTok, and more — all at once, from a single stream. Here's how it works and how to start.
Read article →Create an Account
Create your Castream account in minutes on iOS, Android, or the web. Sign in with Google, Apple, or email, connect your destinations, and go live.
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