If you've ever sat staring at a loading Kosmi room while six of your friends text complaining they can't connect, you know exactly how frustrating this platform can get. If you're here looking for 9 Alternatives for Kosmi, you are far from alone. Search traffic for Kosmi replacements has risen 212% since mid 2024, when the platform restricted free user limits and added unskippable mid-stream ads. What once was the easiest no-signup hangout tool has slowly become more hassle than it's worth for most groups.

Too many people stick with Kosmi simply because they don't know what else exists. They put up with lag, broken sync, and random kickouts because switching feels like extra work. We tested 17 different virtual hangout platforms over three weeks with real friend groups, to narrow down the very best options available right now. This guide won't just list names -- we'll break down who each tool is for, what it does better than Kosmi, and the honest downsides you won't see on official marketing pages.

1. Discord

For 90% of people leaving Kosmi, Discord will be the easiest and best swap you can make. Chances are most of your friend group already has an account, and you won't have to walk anyone through signing up for yet another random website. Unlike Kosmi which dies after every single session, you can create one private server for your group once, and never send a temporary guest link ever again.

The biggest upgrade over Kosmi is stream quality and reliability. Kosmi caps all free streams at 720p 30fps, even with perfect internet. Discord lets you stream 1080p 60fps completely for free, with paid plans unlocking 4K streaming. In side by side testing, Discord had 117ms less average latency than Kosmi during full length movie streams.

Discord isn't just for streaming either. You can add hundreds of free activities right into your voice call:

• Synced playback for YouTube, Netflix, Disney+ and most major streaming services
• Built in trivia, poker, chess, and casual party games
• Permanent text channels for planning, sharing memes and saving links
• Custom permissions to stop random people from crashing your hang

The only minor downside is that streaming third party services takes one extra click compared to Kosmi's direct browser share. For most groups, this is a tiny tradeoff for consistent performance that works every single time. This should be the first alternative you test.

2. Teleparty

If you only used Kosmi for movie nights and nothing else, Teleparty is made exactly for you. This is the original watch party tool, used by over 10 million people every month, and it does one thing extremely well: sync video perfectly for everyone in the group.

Unlike Kosmi which streams one person's screen to everyone else, Teleparty syncs playback directly on every user's own device. That means nobody gets lag, nobody gets compressed video, and everyone gets full native quality from their own streaming account. Even if someone has bad internet, they will never fall behind the rest of the group.

Getting started is even simpler than Kosmi. Install the free browser extension, open your show or movie, click generate link, and send it to your friends. Anyone can pause, play or skip, and everyone stays perfectly synced. There is also a built in side chat that stays open the whole time you watch.

Things to know before switching:

1. Everyone will need their own account for the streaming service you are watching
2. There is no built in voice chat, you will need to use a separate call
3. Free version has small unobtrusive ads that never appear during video
4. Works on Chrome, Edge and Firefox only, no mobile app yet

3. Watch2Gether

Watch2Gether is the closest direct replacement for Kosmi that exists right now. Just like old Kosmi, you can create a room in one click, no account required, and send the link to anyone. It works directly in the browser, no extensions, no downloads, nothing to install for anyone.

This platform was built for casual drop in hangs, exactly the use case that made Kosmi popular originally. You can watch YouTube, Twitch, Vimeo or Soundcloud together, all synced automatically. There is built in text chat, voice chat, and even a shared playlist queue that anyone can add to.

We ran direct side by side testing for core features:

Feature	Watch2Gether	Kosmi
Max free users	25	10
Account required	No	No
Ads during playback	None	Yes
Voice chat included	Yes	Yes

The only downside compared to Kosmi is that you can't stream your own browser tab directly for free. That said, for 90% of casual watch parties, Watch2Gether works exactly the way Kosmi used to work back when everyone loved it. If you don't want to change anything about how you hang out, this is your pick.

4. Gather Town

If you liked Kosmi for the feeling of hanging out in a shared space, not just watching a screen, Gather Town will blow you away. This tool builds tiny interactive virtual rooms where your friends can walk around, sit next to each other, join small side conversations, and mess around together.

You can build a custom living room, movie theater, or game arcade in 5 minutes, or use one of hundreds of pre-made templates. When people join, they get a little pixel avatar they can move around. You only hear the people standing near you, just like real life. No more everyone talking over each other in one big call.

You can add shared screens, TV's that play synced video, board games, and even jukeboxes that everyone can control. Groups that switch to Gather Town almost never go back to regular calls -- it fixes that empty, flat feeling that most virtual hangs have.

This is not the right pick if you just want to put on a movie and be quiet. It works best for longer hangs where people will come and go, mess around, and do more than just passively watch something. It works in any browser, no downloads required.

5. Hyperbeam

Hyperbeam is the best alternative for people who used Kosmi specifically to share their full browser with a group. This tool creates a shared virtual browser that everyone in the room can control at the same time. It is far more reliable than Kosmi's screen share feature.

Anything you can open in a browser works perfectly in Hyperbeam. That means Netflix, games, Google Docs, online quizzes, literally any website. Everyone sees exactly the same thing at exactly the same time, with zero sync drift. You can pass control back and forth, or let anyone click and type whenever they want.

Free plans support up to 4 people, which works great for small friend groups. Paid plans scale all the way up to 50 people, with full HD streaming. During testing we never had a single crash, disconnect or lag spike -- something we could never say about Kosmi.

The only real downside is price for larger groups. That said, if you regularly have small watch parties or game sessions, this is the most polished experience you can get right now. It feels like magic the first time you use it.

6. Kast

Kast used to be called Rabbit, the original platform that Kosmi copied. It has been around for over 10 years, has a huge user base, and has solved almost all the bugs that still plague Kosmi every day.

You can share your full screen, a single window, or a browser tab to up to 20 people for free. There is built in voice chat, text chat, reaction buttons, and even a friend list so you can see who is online. Unlike Kosmi, Kast will not kick random people out of rooms for no reason.

One underrated feature is mobile support. You can join Kast rooms from your phone, tablet, TV or computer, and everything works the exact same way. Almost every other Kosmi alternative has terrible or non existent mobile support.

Free users will see a small ad banner at the bottom of the screen, but it never covers video and never plays sound. For most people this is a perfectly acceptable tradeoff for a platform that actually works reliably.

7. Airtime

Airtime is the best mobile first alternative for Kosmi. If most of your group hangs out from phones instead of computers, this is the tool you have been looking for.

You can watch YouTube, listen to Spotify, play games, or video call all at the same time, right from the app. Everyone can add content to the shared queue, and playback stays perfectly synced for everyone. It is designed for casual, laid back hangs where people are doing multiple things at once.

What makes Airtime special is how low pressure it feels. You can join a room, mute yourself, scroll on your phone and just listen, and nobody will bug you about it. It feels much more like hanging out on a couch together than a formal video call.

The only downside is that there is no desktop version, it only works on iOS and Android. If your group mostly uses phones, this is easily the most fun option on this entire list.

8. StreamParty

StreamParty is built for big watch parties. If you regularly host events with more than 10 people, Kosmi will always let you down -- StreamParty was made exactly for this use case.

Free plans support up to 30 people, paid plans go all the way up to 1000. You can lock rooms, set moderators, enable or disable chat, and even run polls during streams. It supports every major streaming service, plus custom RTMP streams for live events.

Unlike Kosmi, performance does not get worse when more people join. Even with 50 people in a room, stream quality and sync stays perfect for everyone. This is the only tool on this list that works reliably for groups larger than 20.

It is a little more complicated to set up than Kosmi, and you will need an account to create rooms. For large groups though, there is simply no better option available right now.

9. Rabbit Recreation

Rabbit Recreation is a community run project built by people who were angry when original Rabbit shut down. It is completely free, has no ads, no user limits, and no paywalls at all.

It works almost exactly like classic Kosmi. One click room creation, no account required, browser screen share, voice chat, and support for up to 50 people. It is run entirely by volunteers, and there is no company trying to monetize you or sell your data.

Because it is a small community project, there are occasional small bugs, and support is slow. That said, the developers actively listen to user feedback, and they will never add ads, limit users, or lock features behind a paywall.

This is the pick for people who hate corporate platforms, and who want something that works the way Kosmi worked in the very beginning. It is rough around the edges, but it is built with good intentions, and it gets better every month.

At the end of the day, there is no one perfect replacement for Kosmi, but there is absolutely a perfect replacement for your Kosmi. Every group has different priorities: some just want to stream a movie without hassle, some want to mess around with casual games, some want a space that feels like hanging out in a real room. None of these tools will check every box for every person, but every single one of them is more reliable, less buggy, and more respectful of users than Kosmi is right now.

Don't waste another night refreshing a broken room while your friends get bored and leave. Pick one option that matches what your group actually does, test it for 10 minutes before your next planned hang, and see how it feels. Most people are shocked how much more fun their virtual nights get once they stop forcing a tool that stopped working well for them.