Upload youtube from iphone

[iphone911]

HI, i want to know how possible i can upload my video from iphone to my other youtube account not the account that i have on my iphone

is it possible to do this? or any software able to do this?

 

[PatrickW98]

Just sign out of your current account...?

 

[iphone911]

Is there any apps for this that i can signup without sign out from my current account?

and how do i sign out from my current account?