Story Saver for Instagram is an amazing app that helps you to download videos from Instagram and save them in your device. The best thing is that it is totally free and easy to use. 

All you need to do is to open the app, click on the "Copy Link" button and paste the link in the box. Then, click on the download button. The video will be downloaded in your device and you can view it in your gallery. The best thing is that it is so easy to use, you don't need to go through any complicated steps.