The watch party extension built for F1 and live sport
Most watch party extensions sync a film catalogue. F1 and live sport need broadcaster support, ad break handling and a room that survives a forty second delay.
There are a dozen extensions that put two people on the same film. There is almost nothing that puts eight people on the same race and the reason is technical rather than commercial.
What a sport room needs that a film room does not
A film is one file with one timeline. A broadcast is a live signal that reaches every house at a different moment, cut by ad breaks that fall in different places depending on the country.
So a watch party for sport has three problems a film tool never meets: the delay between viewers, the breaks and the fact that the video lives on a broadcaster site rather than in a catalogue.
| CoViewer | Teleparty | |
|---|---|---|
| Live sport broadcasts | Yes | No |
| YouTube and Twitch | Yes | No |
| Ad break handling | Pauses the room | None |
| Race chat and reactions | Yes | Chat only |
| Ratings and driver of the day | Yes | No |
| Price | Free | Free tier |
How CoViewer solves each one
The delay. The host broadcasts a position every three seconds. Under two seconds of drift the player speed is nudged by five percent until it lines up. Past two seconds it seeks. On a live feed only play and pause travel, because the live clock belongs to the broadcaster.
The breaks. When someone hits an ad the room pauses and waits, then resumes together.
The sites. It runs on the broadcaster pages directly, from F1 TV and Canal+ to Sky, DAZN, ESPN, Viaplay, Apple TV, Kayo, Fox Sports, Sky Italia, NOW, WOW, RTL and RTBF, plus YouTube and Twitch.
What about Watch2Gether, SyncWatch, Scener and Rave?
They are good tools with the same blind spot. Watch2Gether and SyncWatch are built around a shared room that plays a video source, which works for YouTube clips rather than for a broadcaster player behind a login. Scener and Rave sit on the film catalogues.
None of them knows what a Grand Prix is, so none of them can pause a room during an ad break, name the session, carry the running order or collect a rating at the flag. That is the difference between a generic sync tool and something built for the race.
ESPN
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What happens in the room
The chat runs beside the video with reactions that float over the picture, so a first lap move gets the same reaction it would get on a sofa.
The room carries the live order, the gaps and who is in the party. At the end you score the race out of five and name your driver of the day and the room sees the vote break down live.
During the weekend the host can drop a poll or a question into the chat and the answers show up as a bar in the feed. It is the part people stay for once the race goes quiet.
Frequently asked questions
What is the best watch party extension for live sport?
CoViewer. It runs on broadcaster sites rather than film catalogues, handles ad breaks by pausing the room and syncs live feeds as well as replays.
Are watch party extensions legal?
CoViewer never rebroadcasts a stream. Each person watches on their own subscription and only the playback position travels between browsers.
Does it work on Firefox?
The Chrome extension is the supported build today. It also runs on Chromium browsers such as Edge, Brave and Arc.
CoViewer is free, it takes about a minute to set up and it runs on the broadcast you already pay for.
CoViewer is made by BoxBoxd, the motorsport social network where fans rate every Grand Prix. The extension keeps playback in sync between people who each watch on their own subscription. It never rebroadcasts a stream. Questions at partnerships@boxboxd.fun.