The Discover Tab is the first such update that Reddit has released in more than two years.
The Discover Tab will display content Reddit users might like partly based on their activity on the platform.
The tab displays communities using photos and videos.
Like other social media apps, Reddit has been rolling out new tools such aslive audioand short-form video.
One in five people joined at least one new community after using the Discover Tab, Reddit said.
Recommending content to users has been controversial for social media apps.
The Discover tab is rolling out globally for bothiPhoneand Android users on mobile devices.
To pull up the tab, users hit a compass icon at the bottom of the Reddit app.