Trakt helps you to keep track & sync movies & shows you watch automatically across all of your devices & compatible streaming applications.
Check out the video above for a step-by-step guide or below for some helpful links & FAQ.
Most 3rd party apps for streaming movies & Tv shows will allow you to login to your Trakt account. From within the app settings, if the feature is available, you will see an option for Trakt & you can log in your Trakt account to sync your watch history.
Trakt can also be linked to your Media Centres such as Stremio, Plex, Kodi & VLC.