HBO Max Watch Party
Watch HBO Together

HBO Max watch party - watch HBO together with friends online
Start HBO Party

Watch HBO Max with friends online in perfect sync. Kosmi includes video chat so you can share reactions—no browser extension required.

🎬 HBO Max Sync
📷 Video Chat
🔒 Private Rooms
❌ No Extension
1 Create a room
2 Open HBO Max
3 Watch together

Also works with Netflix, Disney+, Hulu, Amazon Prime, YouTube, and more

Powered by Kosmi

HBO Max Watch Parties Made Simple

HBO Max has some of the best content—Game of Thrones, Succession, The Last of Us—and it's even better when you watch with friends. Kosmi syncs your HBO stream perfectly so everyone experiences it together.

No extensions to install, no complicated setup. Just create a room, invite your friends, and start watching. Video chat included so you can react to every twist together.

Prestige TV

Watch HBO's hit series together and discuss every episode in real time.

Movie Nights

Stream HBO's movie library together with friends across any distance.

Season Premieres

Experience new season drops together with your watch group.