PlayTube for YouTube is a smartphone application that allows you to easily download YouTube videos directly to your iPhone. This tutorial will walk you through the app's simple interface so you can take your favorite YouTube videos with you wherever you go.
In the main application window, tap on Search and search for the desired video:
Once found, select the video and wait for it to begin playing. Next, press the Cache option located in the upper right corner:
Select the desired quality for your video and then begin the download:
A pop-up will appear on your screen informing you of your video's location. Click on OK:
Now click the Search button located in the upper left corner to return to the main screen. Click on the Cache button located on the bottom portion of your screen to monitor the progress of the download: