When it come to video YouTube came into our mind and when it came to download those video TubeMate came in action. Yes, tubemate is on of the best video downloading app I have use.
Not only YouTube video it support various other video portal so you can download any video you want. Though its UI it bit older and needs some improvement but its features and function are very rich.
When you are download with it it will show all format able to download and also gives you the ability to download in any resolution you want, also you can download in mp3 by this app.
An other features that I like the most is that it you can convert the video into mp3 file with is app. So if you are searching an app to download videos than you should go for this no doubt it will give you satisfactory result.