Twitter began the testing with select Android devices in May and now iOS sees the new functionality for a Periscope broadcast via the tweet composition screen, rather than having to open up the separate app.
A Twitter spokesperson told Mashable that testing has only been rolled out to a handful of iOS users so far, however the function will eventually be rolled out to all smartphone users across both platforms, the company said.
Users need to have the Periscope app installed for the feature to work. They will be prompted to download the app if they hit the live streaming button without Periscope installed, reports Mashable.
In light of this, both Twitter and Periscope have made attempts to make their own services more robust. Twitter, for example, has announced that it would axe its 140-character rule so that users insert links, pictures and other multimedia into their tweets without it being counted in the character limit.
Meanwhile, Periscope has made it easier to search for live streams, announced a live streaming platform for drones and also introduced the ability to save broadcasts for more than 24 hours. This week, the service also introduced further tools to help users report and block abuse during live broadcasts.
Twitter is yet to respond to an IBTimes UK enquiry about the roll-out date for the new Periscope feature.