CouchSync Live

Kosmi Lounge

Real-time Watch Party & Virtual Hangout

Sync · YouTube · Screen Share · P2P

Your Virtual Cinema &
Hangout Lounge

Hang out with friends in sub-second lockstep sync. Stream movies, share your screen, or play trivia together — with crystal-clear voice & video.

Create a Cinema Room

Host a watch party & invite your friends

Host

Room Name

Starting Activity

Join with Link or Code

Enter a friend's watch party room

Guest

Recent Rooms

No sign-up needed — just paste a link

1

Ask your friend to copy their room URL

2

Paste it in the field above

3

Hit Connect and watch together instantly

How It Works

1

Create or join a room

Launch your cinema lounge in one click or enter a friend's invite code instantly.

2

Pick your source

Stream HLS cinema streams, YouTube party URLs, or desktop screen share.

3

Sync up and watch together

Sub-second lockstep sync with encrypted P2P video, voice, and live reactions.

Features

— Click any card to explore full specs

See full features

Sub-Second Sync

Lockstep play/pause & speed matching

P2P Video & Voice

Auto audio ducking & push-to-talk

Stream desktop, tabs & apps native

Movie Trivia & Polls

Multiplayer hangout games during breaks

Frequently Asked Questions

— Privacy, synchronization & streaming specs

6 Questions

Yes. CouchSync Live requires zero account registration, credit cards, or subscriptions. You can launch a room with a single click or paste an invite code to join a friend’s lounge instantly in any supported browser.