Been looking at the, Focusrite iTrack Pocket Audio and Video Recorder for iPhone. Looks like great value for money, gear4music.com have a great deal going on this device. at only £19.99 , not sure how long for, so grab one soon if you want a bargain.
It's a basically a dock for your IPhone, ipod, so you can record vocals and video, even plug in your guitar and record those demos. Sending them up to youtube, or emailing your finished masterpiece looks simple too. Works with any IOS device that has a lightning connector.
Full spec and details here, https://www.gear4music.com/Recording-and-Computers/Focusrite-iTrack-Pocket-Audio-and-Video-Recorder-for-iPhone/13CV
If you already have one, then why not tell us what you think of it.