No need for any other device . Tbox Technologies App allows you to record your speed and acceleration while taking a video while driving or riding a motorcycle or flying a plane. You can also choose to view your current altitude and use a sky dive mode for sky diving. Each video can be up to a minute long. In app purchases will be available for longer videos or other features in the coming future. After you save the video, you can upload it to your social media or edit the video in your photos section as well as any video editor.