The best alternatives to Watchout are Uptime 2.0, Jelly Party, and Watch Party. If these 3 options don't work for you, we've listed a few more alternatives below.
Jelly-Party let's you synchronously watch videos on Netflix, Amazon, Disney+, Youtube and many other streaming services. It features: - Video Synchronization - Notifications - A floating chat - User avatars - Playback status updates every 5 seconds
Popitalk - Watch together is an app that allows you and your friends to watch videos together on both of your phones at the same time. No more crowding around phone screens or sharing links. Watch a video in live time within a chat of up to ten friends!