Inscognito Story Viewer for Instagram is a free app that allows you to download photos and videos from Instagram Stories. It also lets you watch those stories without leaving a trace. It is easy to use and doesn't require any other apps. You can download photos and videos to your phone and watch them later on any device.

To use the app, you just need to install it on your phone or tablet. Once it is installed, open the app and log in with your Instagram account. Then, you will see a section that will show you all the stories that you have already seen.