A free app for Android, by Birthday Video Maker With Song.
Story Saver for Whatsapp is a simple app that helps you download WhatsApp Stories with ease. You don’t need to sign up or even create an account to use this app. All you need is the WhatsApp Messenger app on your phone and you’re good to go.
Once you open this app, you will be presented with a screen that will show you all the available stories on WhatsApp. Simply tap on the one you want to download and it will be saved to your phone. There are other options as well such as sharing it to your friends through a variety of social media platforms including Facebook, Instagram, etc. You can even save them to your computer so you can view them later.