Watch together in a room instead of an add-on. Kosmi keeps everyone in sync, includes video chat for free, and works on phones — guests join from a link with nothing to install.
Teleparty is a browser extension that syncs a streaming site. Kosmi is a room that already has the video, the faces and everything else in it.
| Kosmi | Teleparty | |
|---|---|---|
| Install needed | None — it is a web page | Browser extension, for everyone |
| Works on phones and tablets | Yes | Desktop browser only |
| Video chat | Built in, free | Paid tier |
| Account needed to join | No, guests join by link | Extension required for everyone |
| What you can watch | Streaming sites, YouTube, any web page, your own screen | Supported streaming services |
| Games in the same room | Poker, card games, retro consoles | No |
| Screen sharing | Yes, with audio | No |
| Price | Free | Free tier, paid for video chat |
Everyone still needs their own subscription to whatever streaming service you're watching — that's true of any watch party tool, including this one.
A watch party dies when one person can't install the extension, is on a phone, or is on a work laptop that won't let them. A link works for all three.
Video and voice chat are in the room for free. Reacting to a film in a text box is not the same as reacting to it out loud.
The room's browser opens anything — YouTube, a sports stream, a weird video someone found. And you can share your own screen when it isn't on the web at all.
When the credits roll the room is still there, with poker, Cards Against Humanity and retro consoles in it.
Kosmi. It syncs video for everyone in a room, includes video and voice chat for free, and needs no browser extension — people join from a link, including on phones and tablets, which Teleparty does not support.
Yes. Kosmi runs the video inside the room itself rather than syncing a tab on your machine, so nobody installs anything. That also means it works on devices where you cannot install extensions at all, like phones and locked-down work laptops.
Kosmi has video and voice chat built into every room at no cost. On Teleparty, video chat sits behind a paid tier.
Yes, along with YouTube, Disney+, HBO Max, Hulu, Prime Video and effectively any site. As with any watch party tool, everyone still needs their own subscription to the service you're watching.
Yes. The room works on phones and tablets as well as desktops. Teleparty is a desktop browser extension, so phones are not supported there.
Yes. Rooms, syncing, video chat and the built-in games are free. Kosmi Premium covers extras such as 1080p screen sharing.