I'm working on designing an onboarding tutorial for a audio based app.
I've come up with a carousel with visuals and text to better describe what the app is, and give quick insight on top actionable items within the app.
The client has suggested audio (professional vocals) to go along with the carousel, visuals and text.
I personally, have never seen/heard vocal audio on onboarding for an iOS app.
I'd love to get some opinion on whether that would enhance the experience, decrease it? Anyone know of any technical ramifications of doing something like that? (slowing app) Any real world examples out there?