Your comments

Good ideas, I will consider all of them, by the way, you can extract audio from video after video downloaded
Thanks, I will fix it soon at next version
Thanks for your advice, I will consider it.
Thanks for your report
Thanks for you advice, I will think about it
You are welcome : )
Bug
Can you tell me what's the device you are using and what's the iOS version running on it?
You can go to address "http://m.youtube.com/signin" to login youtube.

Thanks for your idea, I'll think about it
Any error information? Send me screenshots please