Based on our record, App Promo by Previewed seems to be more popular. It has been mentiond 1 time since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
I searched a bit, and I think they might be using this to create the promo video: https://previewed.app/app-promo-video/. Source: over 2 years ago
Previewed - Beautiful mockups & graphics for your next app
Design Camera - Drag and drop 3D mockups
Mock - Instantly create video mockups from screen recordings
Mokup Frames - Create amazing Dribbble-ready GIFs or videos in a few clicks
Morflax things - Generate 3D device mockups in a quick and engaging way
Cleanmock - Create stunning mockups that make your design standout.