Metastream may be gone, but SyncUp picks up where it left off with modern browser-based watch parties.
Metastream pioneered desktop watch parties, but SyncUp brings the experience to your browser with more platform support and active development.
Regular updates, new features, and bug fixes. SyncUp is actively developed and improving.
Watch YouTube, Twitch, and Kick together, plus streaming services via the free browser extension.
Fully optimized for phones and tablets, not just desktop browsers.
The basics stay free. Optional Plus plan for bigger rooms and longer voice chat.
Works directly in your browser. No desktop app or extension required to get started.
Private rooms by default. Only people with your code can join.
| Feature | SyncUp | Metastream |
|---|---|---|
| Free to use | ||
| No install required | ||
| Actively maintained | ||
| YouTube support | ||
| Twitch support | ||
| Kick support | ||
| Mobile support | ||
| Streaming services | Via extension | |
| Video sync | ||
| Private rooms |
Last verified: March 2026
Metastream is no longer actively maintained. SyncUp is a modern browser-based alternative that's actively developed and free to use.
Yes. The basics are free: rooms, sync, chat, playlist voting, friends, watching YouTube, Twitch and Kick. Free rooms hold up to 5 people. There's an optional Plus plan if you want bigger rooms or longer voice chat, but you don't need it.
No - SyncUp works directly in your browser for YouTube, Twitch, and Kick. For streaming services, there's a free optional browser extension.
Yes! SyncUp is fully optimized for mobile devices. Watch together with friends from your phone or tablet on any modern browser.
SyncUp supports YouTube videos and playlists, Twitch live streams and VODs, and Kick live streams built-in. For streaming services, there's a free browser extension available.
SyncUp uses real-time WebSocket synchronization to keep everyone's playback aligned within ~200ms. When anyone plays, pauses, or seeks, all viewers update instantly.
Create your first SyncUp room in seconds. No account required, no learning curve.
No sign-up required. Start watching in seconds.