We let users build similar apps at https://trypromptly.com without writing code

When YouTube urls are used, we extract audio and transcribe it so users can either save as datasource or pass that content to other LLMs.

Ask YC (https://trypromptly.com/app/bd0a3f40-44a9-4789-b3d6-ec185134...) is an app built with content from YC startup library and some of them are YouTube videos