@TeamYouTube why can’t I sponsor on iOS app?
The Sponsor button is not yet launched on iOS. Viewers can, however, become sponsors on http://youtube.com on desktop and still get the perks (badges, sponsors-only community posts, etc.) on iOS.
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
The Sponsor button is not yet launched on iOS. Viewers can, however, become sponsors on http://youtube.com on desktop and still get the perks (badges, sponsors-only community posts, etc.) on iOS.