YouTube 's latest iPhone update enables vertical videos to be viewed on iOS without black bars , the Google - owned company said on Twitter . The tweak applies to all formats of video , which can be automatically loaded to all iOS smartphones , bringing it in line with Snapchat and Facebook .
YouTube's latest iPhone update enables vertical videos to be viewed on iOS without black bars, the Google-owned company said on Twitter. The tweak applies to all formats of video, which will be automatically adjusted to fit iOS smartphones, bringing YouTube in line with Snapchat and Instagram.