If anyone else wishes the prompts from the AI teacher would just auto read aloud, this might help. After the first lesson, I was feeling a lack of immersion. I didn't like scrolling to the bottom of every lesson section of prompts and hit the read aloud button and wait a second for it to start.
It has 9 voices built-in. It doesn't require the cloud. The installer is around 700mb because all the Piper voice models are offline. It won't need internet for any of the text-to-speech. Just download the installer and follow the instructions. All the source files except for the voice models themselves are on the github. Nothing is stored in the app, no lessons are downloaded. Everything is built with Maestro's Terms Of Service in mind. I hope they will build auto-read aloud into the Personalize section eventually.